remove duplicate

browser.urlbar.yelp.featureGate FF124
corroborator.enabled removed FF126
2026-06-12 15:40:48 +05:30 · 2024-05-20 14:34:22 -04:00 · 2024-05-20 14:30:27 -04:00 · 2024-05-20 14:23:13 -04:00 · 2024-05-20 14:21:48 -04:00 · 2024-05-20 13:16:43 -04:00
10 changed files with 996 additions and 799 deletions
@@ -0,0 +1,13 @@
+# These are supported funding model platforms
+
+github: yokoffing
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: yokoffing
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: yokoffing
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+lfx_crowdfunding: # Replace with a single LFX Crowdfunding project-name e.g., cloud-foundry
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
@@ -1,6 +1,6 @@
 ---
-name: Bug report
-about: Create a report to help us improve
+name: Something is not working!
+about: Use this form if you have an issue.
 title: ''
 labels: ''
 assignees: yokoffing
@@ -35,9 +35,9 @@ I have attempted the following troubleshooting suggestions:
 *If applicable, add screenshots to help explain your problem.*

 **Desktop (please complete the following information):**
- - OS: [e.g. iOS]
- - Browser [e.g. chrome, safari]
- - Version [e.g. 22]
+ - OS:
+ - Browser:
+ - Version:

 **Additional context**
 *Add any other context about the problem here.*
@@ -1,10 +0,0 @@
---
-name: Feature request
-about: Suggest an idea for this project
-title: ''
-labels: ''
-assignees: yokoffing
-
---
-
-
@@ -3,62 +3,24 @@
 * Fastfox                                                                              *
 * "Non ducor duco"                                                                     *
 * priority: speedy browsing                                                            *
- * version: 116                                                                         *
+ * version: 126                                                                         *
 * url: https://github.com/yokoffing/Betterfox                                          *
 ***************************************************************************************/

-// PREF: process count
-// [ABOUT] View in about:processes.
-// With Firefox Quantum (2017), CPU cores = processCount. However, since the
-// introduction of Fission [2], the number of website processes is controlled
-// by processCount.webIsolated. Disabling fission.autostart or changing
-// fission.webContentIsolationStrategy reverts control back to processCount.
-// [1] https://www.reddit.com/r/firefox/comments/r69j52/firefox_content_process_limit_is_gone/
-// [2] https://firefox-source-docs.mozilla.org/dom/ipc/process_model.html#web-content-processes 
-//user_pref("dom.ipc.processCount", 8); // DEFAULT; Shared Web Content
-//user_pref("dom.ipc.processCount.webIsolated", 1); // default=4; Isolated Web Content
-
-// PREF: use one process for process preallocation cache
-//user_pref("dom.ipc.processPrelaunch.fission.number", 1); // default=3; Process Preallocation Cache
-
-// PREF: configure process isolation
-// [1] https://hg.mozilla.org/mozilla-central/file/tip/dom/ipc/ProcessIsolation.cpp#l53
-// [2] https://www.reddit.com/r/firefox/comments/r69j52/firefox_content_process_limit_is_gone/
-
-// OPTION 1: isolate all websites
-// Web content is always isolated into its own `webIsolated` content process
-// based on site-origin, and will only load in a shared `web` content process
-// if site-origin could not be determined.
-//user_pref("fission.webContentIsolationStrategy", 1); // DEFAULT
-//user_pref("browser.preferences.defaultPerformanceSettings.enabled", true); // DEFAULT
-    //user_pref("dom.ipc.processCount.webIsolated", 1); // one process per site origin
-
-// OPTION 2: isolate only "high value" websites
-// Only isolates web content loaded by sites which are considered "high
-// value". A site is considered high value if it has been granted a
-// `highValue*` permission by the permission manager, which is done in
-// response to certain actions.
-//user_pref("fission.webContentIsolationStrategy", 2);
-//user_pref("browser.preferences.defaultPerformanceSettings.enabled", false);
-    //user_pref("dom.ipc.processCount.webIsolated", 1); // one process per site origin (high value)
-    //user_pref("dom.ipc.processCount", 8); // determine by number of CPU cores/processors
-
-// OPTION 3: do not isolate websites
-// All web content is loaded into a shared `web` content process. This is
-// similar to the non-Fission behavior; however, remote subframes may still
-// be used for sites with special isolation behavior, such as extension or
-// mozillaweb content processes.
-//user_pref("fission.webContentIsolationStrategy", 0);
-//user_pref("browser.preferences.defaultPerformanceSettings.enabled", false);
-    //user_pref("dom.ipc.processCount", 8); // determine by number of CPU cores/processors
+/****************************************************************************
+ * SECTION: GENERAL                                                        *
+****************************************************************************/

 // PREF: initial paint delay
-// How long FF will wait before rendering the page, in milliseconds
-// Reduce the 5ms Firefox waits to render the page
+// How long FF will wait before rendering the page (in ms)
+// [NOTE] You may prefer using 250.
+// [NOTE] Dark Reader users may want to use 1000 [3].
 // [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1283302
 // [2] https://docs.google.com/document/d/1BvCoZzk2_rNZx3u9ESPoFjSADRI0zIPeJRXFLwWXx_4/edit#heading=h.28ki6m8dg30z
-user_pref("nglayout.initialpaint.delay", 0); // default=5; used to be 250
-user_pref("nglayout.initialpaint.delay_in_oopif", 0); // default=5
+// [3] https://old.reddit.com/r/firefox/comments/o0xl1q/reducing_cpu_usage_of_dark_reader_extension/
+// [4] https://reddit.com/r/browsers/s/wvNB7UVCpx
+//user_pref("nglayout.initialpaint.delay", 5); // DEFAULT; formerly 250
+    //user_pref("nglayout.initialpaint.delay_in_oopif", 5); // DEFAULT

 // PREF: page reflow timer
 // Rather than wait until a page has completely downloaded to display it to the user,
@@ -71,7 +33,7 @@ user_pref("nglayout.initialpaint.delay_in_oopif", 0); // default=5
 // false = reflow pages whenever new data is received
 //user_pref("content.notify.ontimer", true); // DEFAULT

-// PREF: notification interval (in microseconds) (to avoid layout thrashing)
+// PREF: notification interval (in microseconds) to avoid layout thrashing
 // When Firefox is loading a page, it periodically reformats
 // or "reflows" the page as it loads. The page displays new elements
 // every 0.12 seconds by default. These redraws increase the total page load time.
@@ -87,13 +49,6 @@ user_pref("nglayout.initialpaint.delay_in_oopif", 0); // default=5
 // [3] https://dev.opera.com/articles/efficient-javascript/?page=3#smoothspeed
 user_pref("content.notify.interval", 100000); // (.10s); default=120000 (.12s)

-// PREF: frequency switch threshold [HIDDEN]
-// Raising the value will make the application more responsive at the expense of page load time.
-// [1] http://kb.mozillazine.org/Content.switch.threshold
-// [2] https://www.reddit.com/r/firefox/comments/11m2yuh/comment/jbjxp8s/?context=3
-//user_pref("content.interrupt.parsing", true); // DEFAULT [HIDDEN]
-//user_pref("content.switch.threshold", 750000); // DEFAULT [HIDDEN]
-
 // PREF: new tab preload
 // [WARNING] Disabling this may cause a delay when opening a new tab in Firefox.
 // [1] https://wiki.mozilla.org/Tiles/Technical_Documentation#Ping
@@ -118,106 +73,10 @@ user_pref("content.notify.interval", 100000); // (.10s); default=120000 (.12s)
 //user_pref("browser.sessionstore.restore_tabs_lazily", true); // DEFAULT

 // PREF: disable preSkeletonUI on startup [WINDOWS]
-user_pref("browser.startup.preXulSkeletonUI", false); // WINDOWS
+//user_pref("browser.startup.preXulSkeletonUI", false);

-/****************************************************************************
- * SECTION: TAB UNLOAD                                                      *
-****************************************************************************/
-
-// PREF: unload tabs on low memory
-// Firefox will detect if your computer’s memory is running low (less than 200MB)
-// and suspend tabs that you have not used in awhile.
-// [1] https://hacks.mozilla.org/2021/10/tab-unloading-in-firefox-93/
-//user_pref("browser.tabs.unloadOnLowMemory", true); // DEFAULT
-
-// PREF: determine when tabs unload [WINDOWS] [LINUX]
-// Notify TabUnloader or send the memory pressure if the memory resource
-// notification is signaled AND the available commit space is lower than
-// this value.
-// Set this to some high value, e.g. 2/3 of total memory available in your system:
-// 4GB=2640, 8GB=5280, 16GB=10560, 32GB=21120, 64GB=42240
-// [1] https://dev.to/msugakov/taking-firefox-memory-usage-under-control-on-linux-4b02
-//user_pref("browser.low_commit_space_threshold_mb", 2640); // default=200; WINDOWS LINUX
-
-// PREF: determine when tabs unload [LINUX]
-// On Linux, Firefox checks available memory in comparison to total memory,
-// and use this percent value (out of 100) to determine if Firefox is in a
-// low memory scenario.
-// [1] https://dev.to/msugakov/taking-firefox-memory-usage-under-control-on-linux-4b02
-//user_pref("browser.low_commit_space_threshold_percent", 33); // default=5; LINUX
-
-// PREF: determine how long (in ms) tabs are inactive before they unload
-// 60000=1min; 300000=5min; 600000=10min (default)
-//user_pref("browser.tabs.min_inactive_duration_before_unload", 300000); // 5min; default=600000
-
-/****************************************************************************
- * SECTION: EXPERIMENTAL                                                    *
-****************************************************************************/
-
-// PREF: CSS Masonry Layout [NIGHTLY]
-// [1] https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Grid_Layout/Masonry_Layout
-user_pref("layout.css.grid-template-masonry-value.enabled", true);
-
-// PREF: Prioritized Task Scheduling API [NIGHTLY]
-// [1] https://blog.mozilla.org/performance/2022/06/02/prioritized-task-scheduling-api-is-prototyped-in-nightly/
-// [2] https://medium.com/airbnb-engineering/building-a-faster-web-experience-with-the-posttask-scheduler-276b83454e91
-user_pref("dom.enable_web_task_scheduling", true);
-
-// PREF: CSS :has() selector [NIGHTLY]
-// Needed for some extensions, filters, and customizations.
-// [1] https://developer.mozilla.org/en-US/docs/Web/CSS/:has
-// [2] https://caniuse.com/css-has
-user_pref("layout.css.has-selector.enabled", true);
-
-// PREF: HTML Sanitizer API [NIGHTLY]
-// [1] https://developer.mozilla.org/en-US/docs/Web/API/Sanitizer
-// [2] https://caniuse.com/mdn-api_sanitizer
-//user_pref("dom.security.sanitizer.enabled", true);
-
-// PREF: Shadowrealms [NIGHTLY]
-// [1] https://github.com/tc39/proposal-shadowrealm/blob/main/explainer.md#introduction
-//user_pref("javascript.options.experimental.shadow_realms", true);
-
-// PREF: Wasm GC [NIGHTLY]
-// WASM GC refers to garbage collection for WebAssembly. Garbage collection is a mechanism
-// to automatically free up memory that is no longer being used by a program. This helps
-// manage memory and prevent memory leaks. 
-// [1] https://github.com/WebAssembly/gc/blob/main/proposals/gc/Overview.md
-//user_pref("javascript.options.wasm_gc", true);
-
-// PREF: WASM Function References [NIGHTLY]
-// [1] https://github.com/WebAssembly/function-references/blob/master/proposals/function-references/Overview.md
-//user_pref("javascript.options.wasm_function_references", true);
-
-// PREF: import assertions [NIGHTLY]
-//user_pref("javascript.options.experimental.import_assertions", true);
-
-// PREF: Array.fromAsync [NIGHTLY]
-// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1795452
-//user_pref("javascript.options.experimental.array_grouping", true);
-
-// PREF: scroll-driven animations [NIGHTLY]
-// [1] https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Experimental_features#scroll-driven_animations
-// [2] https://developer.chrome.com/articles/scroll-driven-animations/
-// [3] https://developer.chrome.com/en/blog/scroll-animation-performance-case-study/
-//user_pref("layout.css.scroll-driven-animations.enabled", true);
-
-// PREF: WebGPU [HIGHLY EXPERIMENTAL!]
-// [WARNING] Do not enable unless you are a web developer!
-// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1746245
-// [2] https://developer.chrome.com/docs/web-platform/webgpu/
-// [3] https://github.com/gpuweb/gpuweb/wiki/Implementation-Status
-// [4] https://hacks.mozilla.org/2020/04/experimental-webgpu-in-firefox/
-//user_pref("dom.webgpu.enabled", true);
-    //user_pref("gfx.webgpu.force-enabled", true); // enforce
-// enable WebGPU indirect draws/dispatches:
-//user_pref("dom.webgpu.indirect-dispatch.enabled", true);
-
-// PREF: WebCodecs API [NIGHTLY]
-// [1] https://developer.mozilla.org/en-US/docs/Web/API/WebCodecs_API
-// [2] https://groups.google.com/a/mozilla.org/g/dev-platform/c/3g0fnn6682A?pli=1
-// [3] https://w3c.github.io/webcodecs/samples/
-//user_pref("dom.media.webcodecs.enabled", true);
+// PREF: lazy load iframes
+//user_pref("dom.iframe_lazy_loading.enabled", true); // DEFAULT [FF121+]

 /****************************************************************************
 * SECTION: GFX RENDERING TWEAKS                                            *
@@ -236,15 +95,16 @@ user_pref("layout.css.has-selector.enabled", true);

 // PREF: if your hardware doesn't support Webrender, you can fallback to Webrender's software renderer
 // [1] https://www.ghacks.net/2020/12/14/how-to-find-out-if-webrender-is-enabled-in-firefox-and-how-to-enable-it-if-it-is-not/
-//user_pref("gfx.webrender.enabled", true); // [REMOVED FF118?]
 //user_pref("gfx.webrender.software", true); // Software Webrender uses CPU instead of GPU
    //user_pref("gfx.webrender.software.opengl", true); // LINUX

-// PREF: NVIDIA RTX Video Super Resolution for video overlay [WINDOWS]
-// This is also a setting in NVIDIA's driver settings, so once this is
-// stable, it should default to true.
+// PREF: NVIDIA RTX Video Super Resolution and RTX Video HDR [WINDOWS] [FF125+]
+// Super Resolution activiates on video content 720p or below.
 // [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1823135
-//user_pref("gfx.webrender.super-resolution.nvidia", true);
+// [2] https://www.reddit.com/r/firefox/comments/17a0noa/nvidia_video_super_resolution_not_working_on/
+// [3] https://blogs.nvidia.com/blog/ai-decoded-rtxvideo-firefox/
+// [4] https://www.mozilla.org/en-US/firefox/126.0/releasenotes/
+//user_pref("gfx.webrender.super-resolution.nvidia", true); // [REMOVED]

 // PREF: GPU-accelerated Canvas2D
 // Use gpu-canvas instead of to skia-canvas.
@@ -286,46 +146,130 @@ user_pref("layout.css.has-selector.enabled", true);
    //user_pref("gfx.webrender.dcomp-video-sw-overlay-win-force-enabled", true); // enforce

 /****************************************************************************
- * SECTION: BROWSER CACHE                                                   *
+ * SECTION: DISK CACHE                                                     *
 ****************************************************************************/

 // PREF: disk cache
-// [NOTE] If you think disk cache helps performance, then feel free to override this.
+// [NOTE] If you think it helps performance, then feel free to override this.
 // [SETTINGS] See about:cache
-// [EXTENSION] https://addons.mozilla.org/en-US/firefox/addon/cache-longer/
 // More efficient to keep the browser cache instead of having to
 // re-download objects for the websites you visit frequently.
 // [1] https://www.janbambas.cz/new-firefox-http-cache-enabled/
 //user_pref("browser.cache.disk.enable", true); // DEFAULT
-//user_pref("browser.cache.disk.smart_size.enabled", false); // force a fixed max cache size on disk
-    //user_pref("browser.cache.disk.capacity", 8192000); // size of disk cache; default=256000; 1024000 = 1 GB, 2048000=2GB, 5120000=5GB, 8192000=8GB
-//user_pref("browser.cache.disk.max_entry_size", 51200); // 51 MB; DEFAULT; maximum size of an object in disk cache
-//user_pref("browser.cache.disk.metadata_memory_limit", 10000); // default=250; alt=15360; increase size (in KB) of intermediate memory caching of frequently used metadata (disk cache memory pool)
-//user_pref("browser.cache.max_shutdown_io_lag", 4); // default=2; number of seconds the cache spends writing pending data and closing files after shutdown has been signalled

-// PREF: specify how long pages are kept before being removed from cache (in hours)
-// Controls the time period used to re-compute the frecency value of cache entries.
-// The frecency value determines how recently and frequently a page has been accessed
-// and is used by Firefox's cache algorithm.
-// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=913808
-// [2] https://bugzilla.mozilla.org/show_bug.cgi?id=968101
-// [3] https://rockridge.hatenablog.com/entry/2014/09/15/165501
-//user_pref("browser.cache.frecency_half_life_hours", 24); // default=6
+// PREF: disk cache size
+// [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=913808,968106,968101
+// [2] https://rockridge.hatenablog.com/entry/2014/09/15/165501
+// [3] https://www.reddit.com/r/firefox/comments/17oqhw3/firefox_and_ssd_disk_consumption/
+//user_pref("browser.cache.disk.smart_size.enabled", false); // force a fixed max cache size on disk
+//user_pref("browser.cache.disk.capacity", 512000); // default=256000; size of disk cache; 1024000=1GB, 2048000=2GB
+//user_pref("browser.cache.disk.max_entry_size", 51200); // DEFAULT (50 MB); maximum size of an object in disk cache
+
+// PREF: Race Cache With Network (RCWN) [FF59+]
+// [ABOUT] about:networking#rcwn
+// Firefox concurrently sends requests for cached resources to both the
+// local disk cache and the network server. The browser uses whichever
+// result arrives first and cancels the other request. This approach sometimes
+// loads pages faster because the network can be quicker than accessing the cache
+// on a hard drive. When RCWN is enabled, the request might be served from
+// the server even if you have valid entry in the cache. Set to false if your
+// intention is to increase cache usage and reduce network usage.
+// [1] https://slides.com/valentingosu/race-cache-with-network-2017
+// [2] https://simonhearne.com/2020/network-faster-than-cache/
+// [3] https://support.mozilla.org/en-US/questions/1267945
+// [4] https://askubuntu.com/questions/1214862/36-syns-in-a-row-how-to-limit-firefox-connections-to-one-website
+// [5] https://bugzilla.mozilla.org/show_bug.cgi?id=1622859
+//user_pref("network.http.rcwn.enabled", true); // DEFAULT
+
+// PREF: attempt to RCWN only if a resource is smaller than this size
+//user_pref("network.http.rcwn.small_resource_size_kb", 256); // DEFAULT
+
+// PREF: cache memory pool
+// Cache v2 provides a memory pool that stores metadata (such as response headers)
+// for recently read cache entries [1]. It is managed by a cache thread, and caches with
+// metadata in the pool appear to be reused immediately.
+// [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=986179
+//user_pref("browser.cache.disk.metadata_memory_limit", 500); // default=250 (0.25 MB); limit of recent metadata we keep in memory for faster access
+
+// PREF: number of chunks we preload ahead of read
+// Large content such as images will load faster.
+// [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=913819,988318
+// [2] http://www.janbambas.cz/new-firefox-http-cache-enabled/
+//user_pref("browser.cache.disk.preload_chunk_count", 4); // DEFAULT
+
+// PREF: the time period used to re-compute the frecency value of cache entries
+// The frequency algorithm is used to select entries, and entries that are recently
+// saved or frequently reused are retained. The frecency value determines how
+// frequently a page has been accessed and is used by Firefox's cache algorithm.
+// The frequency algorithm is used to select entries, and entries that are recently
+// saved or frequently reused are retained. The frecency value determines how
+// often a page has been accessed and is used by Firefox's cache algorithm.
+// When the memory pool becomes full, the oldest data is purged. By default,
+// data older than 6 hours is treated as old.
+// [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=942835,1012327
+// [2] https://bugzilla.mozilla.org/buglist.cgi?bug_id=913808,968101
+//user_pref("browser.cache.frecency_half_life_hours", 6); // DEFAULT
+
+// PREF: memory limit (in kB) for new cache data not yet written to disk
+// Writes to the cache are buffered and written to disk on background with low priority.
+// With a slow persistent storage, these buffers may grow when data is coming
+// fast from the network. When the amount of unwritten data is exceeded, new
+// writes will simply fail. We have two buckets, one for important data
+// (priority) like html, css, fonts and js, and one for other data like images, video, etc.
+//user_pref("browser.cache.disk.max_chunks_memory_usage", 40960); // DEFAULT (40 MB)
+//user_pref("browser.cache.disk.max_priority_chunks_memory_usage", 40960); // DEFAULT (40 MB)
+
+// PREF: how often to validate document in cache
+// [1] https://searchfox.org/mozilla-release/source/modules/libpref/init/StaticPrefList.yaml#1092-1096
+// 0 = once-per-session
+// 3 = when-appropriate/automatically (default)
+//user_pref("browser.cache.check_doc_frequency", 3); // DEFAULT
+
+// PREF: enforce free space checks
+// When smartsizing is disabled, we could potentially fill all disk space by
+// cache data when the disk capacity is not set correctly. To avoid that, we
+// check the free space every time we write some data to the cache. The free
+// space is checked against two limits. Once the soft limit is reached we start
+// evicting the least useful entries, when we reach the hard limit writing to
+// the entry fails.
+//user_pref("browser.cache.disk.free_space_soft_limit", 10240); // default=5120 (5 MB)
+//user_pref("browser.cache.disk.free_space_hard_limit", 2048); // default=1024 (1 MB)
+
+// PREF: compression level for cached JavaScript bytecode [FF102+]
+// [1] https://github.com/yokoffing/Betterfox/issues/247
+// 0 = do not compress (default)
+// 1 = minimal compression
+// 9 = maximal compression
+user_pref("browser.cache.jsbc_compression_level", 3);
+
+// PREF: strategy to use for when the bytecode should be encoded and saved [TESTING ONLY]
+// -1 makes page load times marginally longer when a page is being loaded for the first time.
+// Subsequent reload of websites will be much much faster.
+// [1] https://searchfox.org/mozilla-release/source/modules/libpref/init/StaticPrefList.yaml#3461-3488
+// [2] https://www.reddit.com/r/firefox/comments/12786yv/improving_performance_in_firefox_android_part_ii/
+// -1 = saved as soon as the script is seen for the first time, independently of the size or last access time
+// 0 = saved in order to minimize the page-load time (default)
+//user_pref("dom.script_loader.bytecode_cache.enabled", true); // DEFAULT
+//user_pref("dom.script_loader.bytecode_cache.strategy", 0); // DEFAULT
+
+/****************************************************************************
+ * SECTION: MEMORY CACHE                                                   *
+****************************************************************************/

 // PREF: memory cache
 // The "automatic" size selection (default) is based on a decade-old table
 // that only contains settings for systems at or below 8GB of system memory [1].
-// Waterfox G6 Beta 3 allows it to go above 8GB machines [3].
+// Waterfox G6 allows it to go above 8GB machines [3].
 // Value can be up to the max size of an unsigned 64-bit integer.
 // -1=Automatically decide the maximum memory to use to cache decoded images,
 // messages, and chrome based on the total amount of RAM
 // [1] https://kb.mozillazine.org/Browser.cache.memory.capacity#-1
 // [2] https://searchfox.org/mozilla-central/source/netwerk/cache2/CacheObserver.cpp#94-125
 // [3] https://github.com/WaterfoxCo/Waterfox/commit/3fed16932c80a2f6b37d126fe10aed66c7f1c214
-//user_pref("browser.cache.memory.capacity", -1); // DEFAULT; 1048576=1GB, 2097152=2GB
-//user_pref("browser.cache.memory.max_entry_size", 5120); // DEFAULT; alt=25600; -1=entries bigger than than 90% of the mem-cache are never cached
+//user_pref("browser.cache.memory.capacity", -1); // DEFAULT; 256000=256 MB; 512000=500 MB; 1048576=1GB, 2097152=2GB
+//user_pref("browser.cache.memory.max_entry_size", 10240); // (10 MB); default=5120 (5 MB)

-// PREF: amount of pages stored in memory for Back/Forward
+// PREF: amount of Back/Forward cached pages stored in memory for each tab
 // Pages that were recently visited are stored in memory in such a way
 // that they don't have to be re-parsed. This improves performance
 // when pressing Back and Forward. This pref limits the maximum
@@ -334,7 +278,7 @@ user_pref("layout.css.has-selector.enabled", true);
 // is no reason for Firefox to keep memory for this.
 // -1=determine automatically (8 pages)
 // [1] https://kb.mozillazine.org/Browser.sessionhistory.max_total_viewers#Possible_values_and_their_effects
-//user_pref("browser.sessionhistory.max_total_viewers", 1);
+//user_pref("browser.sessionhistory.max_total_viewers", 4);

 /****************************************************************************
 * SECTION: MEDIA CACHE                                                     *
@@ -384,11 +328,13 @@ user_pref("image.mem.decode_bytes_at_a_time", 32768); // default=16384; alt=6553
 ****************************************************************************/

 // PREF: use bigger packets
+// [WARNING] Cannot open HTML files bigger than 4MB if changed [2].
 // Reduce Firefox's CPU usage by requiring fewer application-to-driver data transfers.
 // However, it does not affect the actual packet sizes transmitted over the network.
 // [1] https://www.mail-archive.com/support-seamonkey@lists.mozilla.org/msg74561.html
-user_pref("network.buffer.cache.size", 262144); // 256 kb; default=32768 (32 kb)
-user_pref("network.buffer.cache.count", 128); // default=24
+// [2] https://github.com/yokoffing/Betterfox/issues/279
+//user_pref("network.buffer.cache.size", 262144); // 256 kb; default=32768 (32 kb)
+//user_pref("network.buffer.cache.count", 128); // default=24

 // PREF: increase the absolute number of HTTP connections
 // [1] https://kb.mozillazine.org/Network.http.max-connections
@@ -398,7 +344,7 @@ user_pref("network.http.max-connections", 1800); // default=900
 user_pref("network.http.max-persistent-connections-per-server", 10); // default=6; download connections; anything above 10 is excessive
    user_pref("network.http.max-urgent-start-excessive-connections-per-host", 5); // default=3
    //user_pref("network.http.max-persistent-connections-per-proxy", 48); // default=32
-user_pref("network.websocket.max-connections", 400); // default=200
+//user_pref("network.websocket.max-connections", 200); // DEFAULT

 // PREF: pacing requests [FF23+]
 // Controls how many HTTP requests are sent at a time.
@@ -413,127 +359,94 @@ user_pref("network.http.pacing.requests.enabled", false);
    //user_pref("network.http.pacing.requests.min-parallelism", 10); // default=6
    //user_pref("network.http.pacing.requests.burst", 14); // default=10

-// Connection Timeouts
-// [1] https://searchfox.org/mozilla-esr115/source/modules/libpref/init/all.js#1178
-// [2] https://www.catchpoint.com/blog/http-transaction-steps
-
-// PREF: timeout connections if an initial response is not received after
-// a given number of seconds.
-//user_pref("network.http.response.timeout", 60); // default=300 (5min)
-
-// PREF: close a connection if TLS handshake does not finish in a 
-// given number of seconds
-//user_pref("network.http.tls-handshake-timeout", 6); // default=30
-
-// PREF: the number of seconds after sending initial SYN for an HTTP connection
-// to give up if the OS does not give up first.
-//user_pref("network.http.connection-timeout", 18); // default=90
-
-// PREF: how long to wait before trying a different connection when the initial one fails
-// The number (in ms) after sending a SYN for an HTTP connection,
-// to wait before trying again with a different connection.
-// 0=disable the second connection
-//user_pref("network.http.connection-retry-timeout", 0); // default=250ms
-
-// PREF: keep-alive request timeout
-// Default timeout on IIS7 is 120 seconds. FF needs to reuse or drop the
-// connection within this time. By default, FF sets the timeout a little shorter to
-// keep a reserve for cases when the packet is lost or delayed on the route.
-// [1] http://kb.mozillazine.org/Network.http.keep-alive.timeout
-// [2] https://searchfox.org/mozilla-esr115/source/modules/libpref/init/all.js#1173-1178
-//user_pref("network.http.keep-alive.timeout", 31); // default=115
-
-// PREF: the amount of time (in seconds) to suspend pending requests, before spawning a
-// new connection, once the limit on the number of persistent connections per
-// host has been reached. However, a new connection will not be created if
-// max-connections or max-connections-per-server has also been reached.
-//user_pref("network.http.request.max-start-delay", 10); // DEFAULT
-
 // PREF: increase DNS cache
 // [1] https://developer.mozilla.org/en-US/docs/Web/Performance/Understanding_latency
-user_pref("network.dnsCacheEntries", 10000); // default=400
+//user_pref("network.dnsCacheEntries", 1000); // default=400

 // PREF: adjust DNS expiration time
+// [ABOUT] about:networking#dns
 // [NOTE] These prefs will be ignored by DNS resolver if using DoH/TRR.
-user_pref("network.dnsCacheExpiration", 86400); // keep entries for 1 day; alt=3600 (1 hour)
+user_pref("network.dnsCacheExpiration", 3600); // keep entries for 1 hour
    //user_pref("network.dnsCacheExpirationGracePeriod", 240); // default=60; cache DNS entries for 4 minutes after they expire

 // PREF: the number of threads for DNS
-user_pref("network.dns.max_high_priority_threads", 8); // default=5
-//user_pref("network.dns.max_any_priority_threads", 5); // default=3
+//user_pref("network.dns.max_high_priority_threads", 40); // DEFAULT [FF 123?]
+//user_pref("network.dns.max_any_priority_threads", 24); // DEFAULT [FF 123?]

 // PREF: increase TLS token caching 
-user_pref("network.ssl_tokens_cache_capacity", 20480); // default=2048; more TLS token caching (fast reconnects)
+user_pref("network.ssl_tokens_cache_capacity", 10240); // default=2048; more TLS token caching (fast reconnects)

 /****************************************************************************
- * SECTION: SPECULATIVE CONNECTIONS                                         *
+ * SECTION: SPECULATIVE LOADING                                            *
 ****************************************************************************/

+// These are connections that are not explicitly asked for (e.g., clicked on).
+// [1] https://developer.mozilla.org/en-US/docs/Web/Performance/Speculative_loading
+
 // [NOTE] FF85+ partitions (isolates) pooled connections, prefetch connections,
 // pre-connect connections, speculative connections, TLS session identifiers,
 // and other connections. We can take advantage of the speed of pre-connections
 // while preserving privacy. Users may relax hardening to maximize their preference.
-// For more information, see SecureFox: "PREF: State Paritioning" and "PREF: Network Partitioning" [1]
-// [1] https://github.com/yokoffing/Betterfox/blob/e9621b0062914da5fdb5f83b8da64041965b7a50/Securefox.js#L74-L108
+// For more information, see SecureFox: "PREF: State Paritioning" and "PREF: Network Partitioning".
 // [NOTE] To activate and increase network predictions, go to settings in uBlock Origin and uncheck:
 // - "Disable pre-fetching (to prevent any connection for blocked network requests)"
 // [NOTE] Add prefs to "MY OVERRIDES" section and uncomment to enable them in your user.js.

-// PREF: speculative pre-connections
-// Firefox will open predictive connections to sites when the user hovers their mouse over thumbnails
-// on the New Tab Page or the user starts to search in the Search Bar, or in the search field on the
-// New Tab Page [1]. This pref may control speculative connects for normal links, too [2].
-// The maximum number of current global half open sockets allowable when starting a new speculative connection [3].
-// In case the user follows through with the action, the page can begin loading faster
-// since some of the work was already started in advance.
-// [NOTE] TCP and SSL handshakes are set up in advance but page contents are not downloaded until a click on the link is registered.
+// PREF: link-mouseover opening connection to linked server
+// When accessing content online, devices use sockets as endpoints.
+// The global limit on half-open sockets controls how many speculative
+// connection attempts can occur at once when starting new connections [3].
+// If the user follows through, pages can load faster since some
+// work was done in advance. Firefox opens predictive connections
+// to sites when hovering over New Tab thumbnails or starting a
+// URL Bar search [1] and hyperlinks within a page [2].
+// [NOTE] DNS (if enabled), TCP, and SSL handshakes are set up in advance,
+// but page contents are not downloaded until a click on the link is registered.
 // [1] https://support.mozilla.org/en-US/kb/how-stop-firefox-making-automatic-connections?redirectslug=how-stop-firefox-automatically-making-connections&redirectlocale=en-US#:~:text=Speculative%20pre%2Dconnections
 // [2] https://news.slashdot.org/story/15/08/14/2321202/how-to-quash-firefoxs-silent-requests
 // [3] https://searchfox.org/mozilla-central/rev/028c68d5f32df54bca4cf96376f79e48dfafdf08/modules/libpref/init/all.js#1280-1282
 // [4] https://www.keycdn.com/blog/resource-hints#prefetch
 // [5] https://3perf.com/blog/link-rels/#prefetch
-user_pref("network.http.speculative-parallel-limit", 0);
-// or
-//user_pref("network.http.speculative-parallel-limit", 10); // default=6
+//user_pref("network.http.speculative-parallel-limit", 20); // DEFAULT (FF127+?)

-// PREF: DNS pre-resolve <link rel="dns-prefetch">
-// Resolve hostnames ahead of time. In order to reduce latency,
-// Firefox will proactively perform domain name resolution on links that
-// the user may choose to follow, as well as URLs for items
-// referenced by elements in a web page.
+// PREF: DNS prefetching <link rel="dns-prefetch">
+// Used for cross-origin connections to provide small performance improvements.
+// Disable DNS prefetching to prevent Firefox from proactively resolving
+// hostnames for other domains linked on a page. This may eliminate
+// unnecessary DNS lookups, but can increase latency when following external links.
 // [1] https://bitsup.blogspot.com/2008/11/dns-prefetching-for-firefox.html
 // [2] https://css-tricks.com/prefetching-preloading-prebrowsing/#dns-prefetching
 // [3] https://www.keycdn.com/blog/resource-hints#2-dns-prefetching
 // [4] http://www.mecs-press.org/ijieeb/ijieeb-v7-n5/IJIEEB-V7-N5-2.pdf
+// [5] https://bugzilla.mozilla.org/show_bug.cgi?id=1596935
 user_pref("network.dns.disablePrefetch", true);
-//user_pref("network.dns.disablePrefetchFromHTTPS", true); // DEFAULT
-// or
-//user_pref("network.dns.disablePrefetch", false); // DEFAULT
-//user_pref("network.dns.disablePrefetchFromHTTPS", false);
+user_pref("network.dns.disablePrefetchFromHTTPS", true); // (FF127+ false)
+
+// PREF: enable <link rel="preconnect"> tag and Link: rel=preconnect response header handling
+//user_pref("network.preconnect", true); // DEFAULT

 // PREF: preconnect to the autocomplete URL in the address bar
+// Whether to warm up network connections for autofill or search results.
 // Firefox preloads URLs that autocomplete when a user types into the address bar.
 // Connects to destination server ahead of time, to avoid TCP handshake latency.
 // [NOTE] Firefox will perform DNS lookup (if enabled) and TCP and TLS handshake,
 // but will not start sending or receiving HTTP data.
 // [1] https://www.ghacks.net/2017/07/24/disable-preloading-firefox-autocomplete-urls/
-user_pref("browser.urlbar.speculativeConnect.enabled", false);
-// or
-//user_pref("browser.urlbar.speculativeConnect.enabled", true); // DEFAULT
+//user_pref("browser.urlbar.speculativeConnect.enabled", false);

-// PREF: mousedown speculative connections on bookmarks and history
-user_pref("browser.places.speculativeConnect.enabled", false);
-// or
-//user_pref("browser.places.speculativeConnect.enabled", true); // DEFAULT
+// PREF: mousedown speculative connections on bookmarks and history [FF98+]
+// Whether to warm up network connections for places:menus and places:toolbar.
+//user_pref("browser.places.speculativeConnect.enabled", false);

-// PREF: Preload <link rel=preload>
-// This tells the browser that the resource should be loaded as part of the current navigation
-// and it should start fetching it ASAP. This attribute can be applied to CSS, fonts, images, JavaScript files and more.
-// This tells the browser to download and cache a resource (like a script or a stylesheet) as soon as possible.
-// The browser doesn’t do anything with the resource after downloading it. Scripts aren’t executed, stylesheets
-// aren’t applied. It’s just cached – so that when something else needs it, it’s available immediately.
-// Focuses on fetching a resource for the CURRENT navigation.
-// [NOTE] Unlike other pre-connection tags (except modulepreload), this tag is mandatory for the browser.
+// PREF: network preload <link rel="preload"> [REMOVED]
+// Used to load high-priority resources faster on the current page, for strategic
+// performance improvements.
+// Instructs the browser to immediately fetch and cache high-priority resources
+// for the current page to improve performance. The browser downloads resources
+// but does not execute scripts or apply stylesheets - it just caches them for
+// instant availability later.
+// Unlike other pre-connection tags (except modulepreload), this tag is
+// mandatory for the browser.
 // [1] https://developer.mozilla.org/en-US/docs/Web/HTML/Link_types/preload
 // [2] https://w3c.github.io/preload/
 // [3] https://3perf.com/blog/link-rels/#preload
@@ -543,86 +456,205 @@ user_pref("browser.places.speculativeConnect.enabled", false);
 // [7] https://github.com/arkenfox/user.js/issues/1098#issue-791949341
 // [8] https://yashints.dev/blog/2018/10/06/web-perf-2#preload
 // [9] https://web.dev/preload-critical-assets/
-//user_pref("network.preload", true); // DEFAULT
+//user_pref("network.preload", true); // [REMOVED]

-// PREF: enable early hints [NIGHTLY]
-// [1] https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/103
-//user_pref("network.early-hints.enabled", false); // DEFAULT
-// or
-//user_pref("network.early-hints.enabled", true);
+// PREF: network module preload <link rel="modulepreload"> [FF115+]
+// High-priority loading of current page JavaScript modules.
+// Used to preload high-priority JavaScript modules for strategic performance improvements.
+// Module preloading allows developers to fetch JavaScript modules and dependencies
+// earlier to accelerate page loads. The browser downloads, parses, and compiles modules
+// referenced by links with this attribute in parallel with other resources, rather
+// than sequentially waiting to process each. Preloading reduces overall download times.
+// Browsers may also automatically preload dependencies without firing extra events.
+// Unlike other pre-connection tags (except rel=preload), this tag is mandatory for the browser.
+// [1] https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/rel/modulepreload
+//user_pref("network.modulepreload", true); // DEFAULT

-// PREF: `Link: rel=preconnect` in 103 Early Hint response
-//user_pref("network.early-hints.preconnect.enabled", false); // DEFAULT
-// or
-//user_pref("network.early-hints.preconnect.enabled", true);
-
-// PREF: the number of speculative connections allowed for early hints `Link: rel=preconnect`
-// When 0, this is limited by "network.http.speculative-parallel-limit".
-//user_pref("network.early-hints.preconnect.max_connections", 0);
-// or
-//user_pref("network.early-hints.preconnect.max_connections", 15); // default=10
-
-// PREF: Link prefetching <link rel="prefetch">
-// Firefox will prefetch certain links if any of the websites you are viewing uses the special prefetch-link tag.
-// A directive that tells a browser to fetch a resource that will likely be needed for the next navigation.
-// The resource will be fetched with extremely low priority (since everything the browser knows
-// is needed in the current page is more important than a resource that we guess might be needed in the next one).
-// Speeds up the NEXT navigation rather than the current one.
-// When the user clicks on a link, or initiates any kind of page load, link prefetching will stop and any
-// prefetch hints will be discarded.
-// Prefetch just downloads the resources; it doesn't execute anything (such as start to parse the web page),
-// and it may never make any calls to scripts, etc.
+// PREF: link prefetching <link rel="prefetch">
+// Pre-populates the HTTP cache by prefetching same-site future navigation
+// resources or subresources used on those pages.
+// Enabling link prefetching allows Firefox to preload pages tagged as important.
+// The browser prefetches links with the prefetch-link tag, fetching resources
+// likely needed for the next navigation at low priority. When clicking a link
+// or loading a new page, prefetching stops and discards hints. Prefetching
+// downloads resources without executing them.
+// [NOTE] Since link prefetch uses the HTTP cache, it has a number of issues
+// with document prefetches, such as being potentially blocked by Cache-Control headers
+// (e.g. cache partitioning).
 // [1] https://developer.mozilla.org/en-US/docs/Glossary/Prefetch
 // [2] http://www.mecs-press.org/ijieeb/ijieeb-v7-n5/IJIEEB-V7-N5-2.pdf
 // [3] https://timkadlec.com/remembers/2020-06-17-prefetching-at-this-age/
 // [4] https://3perf.com/blog/link-rels/#prefetch
+// [5] https://developer.mozilla.org/docs/Web/HTTP/Link_prefetching_FAQ
 user_pref("network.prefetch-next", false);
-// or
-//user_pref("network.prefetch-next", true); // DEFAULT
+
+// PREF: Fetch Priority API [FF119+]
+// Indicates whether the `fetchpriority` attribute for elements which support it.
+// [1] https://web.dev/articles/fetch-priority
+// [2] https://nitropack.io/blog/post/priority-hints
+// [2] https://developer.mozilla.org/en-US/docs/Web/API/HTMLImageElement/fetchPriority
+// [3] https://developer.mozilla.org/en-US/docs/Web/API/HTMLLinkElement/fetchPriority
+//user_pref("network.fetchpriority.enabled", true);
+
+// PREF: early hints [FF120+]
+// [1] https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/103
+// [2] https://developer.chrome.com/blog/early-hints/
+// [3] https://blog.cloudflare.com/early-hints/
+// [4] https://blog.cloudflare.com/early-hints-performance/
+//user_pref("network.early-hints.enabled", true);
+
+// PREF: `Link: rel=preconnect` in 103 Early Hint response [FF120+]
+// Used to warm most critical cross-origin connections to provide
+// performance improvements when connecting to them.
+// [NOTE] When 0, this is limited by "network.http.speculative-parallel-limit".
+//user_pref("network.early-hints.preconnect.enabled", true);
+//user_pref("network.early-hints.preconnect.max_connections", 10); // DEFAULT

 // PREF: Network Predictor (NP)
-// Keeps track of components that were loaded during page visits so that the browser knows next time
-// which resources to request from the server: It uses a local file to remember which resources were
-// needed when the user visits a webpage (such as image.jpg and script.js), so that the next time the
-// user prepares to go to that webpage (upon navigation? URL bar? mouseover?), this history can be used
-// to predict what resources will be needed rather than wait for the document to link those resources.
-// NP only performs pre-connect, not prefetch, by default, including DNS pre-resolve and TCP preconnect
-// (which includes SSL handshake). No data is actually sent to the site until a user actively clicks
-// a link. However, NP is still opening TCP connections and doing SSL handshakes, so there is still
-// information leakage about your browsing patterns.
-// [NOTE] Disabling DNS prefetching disables the DNS prefetching behavior of NP.
+// When enabled, it trains and uses Firefox's algorithm to preload page resource
+// by tracking past page resources. It uses a local file (history) of needed images,
+// scripts, etc. to request them preemptively when navigating.
+// [NOTE] By default, it only preconnects, doing DNS, TCP, and SSL handshakes.
+// No data sends until clicking. With "network.predictor.enable-prefetch" enabled,
+// it also performs prefetches.
 // [1] https://wiki.mozilla.org/Privacy/Reviews/Necko
 // [2] https://www.ghacks.net/2014/05/11/seer-disable-firefox/
 // [3] https://github.com/dillbyrne/random-agent-spoofer/issues/238#issuecomment-110214518
 // [4] https://www.igvita.com/posa/high-performance-networking-in-google-chrome/#predictor
 user_pref("network.predictor.enabled", false);
-// or
-//user_pref("network.predictor.enabled", true); // DEFAULT

-// PREF: NP fetches resources on the page ahead of time, to accelerate rendering of the page.
-// Performs both pre-connect and prefetch.
-user_pref("network.predictor.enable-prefetch", false);
-// or
-//user_pref("network.predictor.enable-prefetch", true); // DEFAULT
+// PREF: Network Predictor fetch for resources ahead of time
+// Prefetch page resources based on past user behavior.
+//user_pref("network.predictor.enable-prefetch", false); // DEFAULT

-// PREF: NP active when hovering over links
-// The next time the user mouseovers a link to that webpage, history is used to predict what
-// resources will be needed rather than wait for the document to link those resources.
-// When you hover over links, connections are established to linked domains and servers
-// automatically to speed up the loading process should you click on the link. To improve the
-// loading speed, Firefox will open predictive connections to sites when the user hovers their
-// mouse over. In case the user follows through with the action, the page can begin loading
-// faster since some of the work was already started in advance. Focuses on fetching a resource
-// for the NEXT navigation.
+// PREF: make Network Predictor active when hovering over links
+// When hovering over links, Network Predictor uses past resource history to
+// preemptively request what will likely be needed instead of waiting for the document.
+// Predictive connections automatically open when hovering over links to speed up
+// loading, starting some work in advance.
 //user_pref("network.predictor.enable-hover-on-ssl", false); // DEFAULT
-// or
-//user_pref("network.predictor.enable-hover-on-ssl", true);

-// PREF: assign NP values
-    //user_pref("network.predictor.preresolve-min-confidence", 40); // default=60
-    //user_pref("network.predictor.preconnect-min-confidence", 60); // default=90
-    //user_pref("network.predictor.prefetch-min-confidence", 80); // default=100
-        //user_pref("network.predictor.prefetch-force-valid-for", 3600); // default=10
-        //user_pref("network.predictor.prefetch-rolling-load-count", 120); // default=10
+// PREF: assign Network Predictor confidence levels
+// [NOTE] Keep in mind that Network Predictor must LEARN your browsing habits.
+// Editing these lower will cause more speculative connections to occur,
+// which reduces accuracy over time and has privacy implications.
+//user_pref("network.predictor.preresolve-min-confidence", 60); // DEFAULT
+//user_pref("network.predictor.preconnect-min-confidence", 90); // DEFAULT
+//user_pref("network.predictor.prefetch-min-confidence", 100); // DEFAULT
+
+// PREF: other Network Predictor values
+// [NOTE] Keep in mmind that Network Predictor must LEARN your browsing habits.
+//user_pref("network.predictor.prefetch-force-valid-for", 10); // DEFAULT; how long prefetched resources are considered valid and usable (in seconds) for the prediction modeling
+//user_pref("network.predictor.prefetch-rolling-load-count", 10); // DEFAULT; the maximum number of resources that Firefox will prefetch in memory at one time based on prediction modeling
 //user_pref("network.predictor.max-resources-per-entry", 250); // default=100
 //user_pref("network.predictor.max-uri-length", 1000); // default=500
+
+/****************************************************************************
+ * SECTION: EXPERIMENTAL                                                    *
+****************************************************************************/
+
+// PREF: CSS Masonry Layout [NIGHTLY]
+// [1] https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Grid_Layout/Masonry_Layout
+user_pref("layout.css.grid-template-masonry-value.enabled", true);
+
+// PREF: Prioritized Task Scheduling API [NIGHTLY]
+// [1] https://blog.mozilla.org/performance/2022/06/02/prioritized-task-scheduling-api-is-prototyped-in-nightly/
+// [2] https://medium.com/airbnb-engineering/building-a-faster-web-experience-with-the-posttask-scheduler-276b83454e91
+user_pref("dom.enable_web_task_scheduling", true);
+
+// PREF: HTML Sanitizer API [NIGHTLY]
+// [1] https://developer.mozilla.org/en-US/docs/Web/API/Sanitizer
+// [2] https://caniuse.com/mdn-api_sanitizer
+user_pref("dom.security.sanitizer.enabled", true);
+
+// PREF: WebGPU [HIGHLY EXPERIMENTAL!]
+// [WARNING] Do not enable unless you are a web developer!
+// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1746245
+// [2] https://developer.chrome.com/docs/web-platform/webgpu/
+// [3] https://github.com/gpuweb/gpuweb/wiki/Implementation-Status
+// [4] https://hacks.mozilla.org/2020/04/experimental-webgpu-in-firefox/
+//user_pref("dom.webgpu.enabled", true);
+    //user_pref("gfx.webgpu.force-enabled", true); // enforce
+// enable WebGPU indirect draws/dispatches:
+//user_pref("dom.webgpu.indirect-dispatch.enabled", true);
+
+/****************************************************************************
+ * SECTION: TAB UNLOAD                                                      *
+****************************************************************************/
+
+// PREF: unload tabs on low memory
+// [ABOUT] about:unloads
+// Firefox will detect if your computer’s memory is running low (less than 200MB)
+// and suspend tabs that you have not used in awhile.
+// [1] https://support.mozilla.org/en-US/kb/unload-inactive-tabs-save-system-memory-firefox
+// [2] https://hacks.mozilla.org/2021/10/tab-unloading-in-firefox-93/
+//user_pref("browser.tabs.unloadOnLowMemory", true); // DEFAULT
+
+// PREF: determine when tabs unload [WINDOWS] [LINUX]
+// Notify TabUnloader or send the memory pressure if the memory resource
+// notification is signaled AND the available commit space is lower than
+// this value.
+// Set this to some high value, e.g. 2/3 of total memory available in your system:
+// 4GB=2640, 8GB=5280, 16GB=10560, 32GB=21120, 64GB=42240
+// [1] https://dev.to/msugakov/taking-firefox-memory-usage-under-control-on-linux-4b02
+//user_pref("browser.low_commit_space_threshold_mb", 2640); // default=200; WINDOWS LINUX
+
+// PREF: determine when tabs unload [LINUX]
+// On Linux, Firefox checks available memory in comparison to total memory,
+// and use this percent value (out of 100) to determine if Firefox is in a
+// low memory scenario.
+// [1] https://dev.to/msugakov/taking-firefox-memory-usage-under-control-on-linux-4b02
+//user_pref("browser.low_commit_space_threshold_percent", 33); // default=5; LINUX
+
+// PREF: determine how long (in ms) tabs are inactive before they unload
+// 60000=1min; 300000=5min; 600000=10min (default)
+//user_pref("browser.tabs.min_inactive_duration_before_unload", 300000); // 5min; default=600000
+
+/****************************************************************************
+ * SECTION: PROCESS COUNT                                                  *
+****************************************************************************/
+
+// PREF: process count
+// [ABOUT] View in about:processes.
+// With Firefox Quantum (2017), CPU cores = processCount. However, since the
+// introduction of Fission [2], the number of website processes is controlled
+// by processCount.webIsolated. Disabling fission.autostart or changing
+// fission.webContentIsolationStrategy reverts control back to processCount.
+// [1] https://www.reddit.com/r/firefox/comments/r69j52/firefox_content_process_limit_is_gone/
+// [2] https://firefox-source-docs.mozilla.org/dom/ipc/process_model.html#web-content-processes 
+//user_pref("dom.ipc.processCount", 8); // DEFAULT; Shared Web Content
+//user_pref("dom.ipc.processCount.webIsolated", 1); // default=4; Isolated Web Content
+
+// PREF: use one process for process preallocation cache
+//user_pref("dom.ipc.processPrelaunch.fission.number", 1); // default=3; Process Preallocation Cache
+
+// PREF: configure process isolation
+// [1] https://hg.mozilla.org/mozilla-central/file/tip/dom/ipc/ProcessIsolation.cpp#l53
+// [2] https://www.reddit.com/r/firefox/comments/r69j52/firefox_content_process_limit_is_gone/
+
+// OPTION 1: isolate all websites
+// Web content is always isolated into its own `webIsolated` content process
+// based on site-origin, and will only load in a shared `web` content process
+// if site-origin could not be determined.
+//user_pref("fission.webContentIsolationStrategy", 1); // DEFAULT
+//user_pref("browser.preferences.defaultPerformanceSettings.enabled", true); // DEFAULT
+    //user_pref("dom.ipc.processCount.webIsolated", 1); // one process per site origin
+
+// OPTION 2: isolate only "high value" websites
+// Only isolates web content loaded by sites which are considered "high
+// value". A site is considered high value if it has been granted a
+// `highValue*` permission by the permission manager, which is done in
+// response to certain actions.
+//user_pref("fission.webContentIsolationStrategy", 2);
+//user_pref("browser.preferences.defaultPerformanceSettings.enabled", false);
+    //user_pref("dom.ipc.processCount.webIsolated", 1); // one process per site origin (high value)
+    //user_pref("dom.ipc.processCount", 8); // determine by number of CPU cores/processors
+
+// OPTION 3: do not isolate websites
+// All web content is loaded into a shared `web` content process. This is
+// similar to the non-Fission behavior; however, remote subframes may still
+// be used for sites with special isolation behavior, such as extension or
+// mozillaweb content processes.
+//user_pref("fission.webContentIsolationStrategy", 0);
+//user_pref("browser.preferences.defaultPerformanceSettings.enabled", false);
+    //user_pref("dom.ipc.processCount", 8); // determine by number of CPU cores/processors
@@ -3,37 +3,16 @@
 * Peskyfox                                                                 *
 * "Aquila non capit muscas"                                                *
 * priority: remove annoyances                                              *
- * version: 116                                                             *
+ * version: 126                                                             *
 * url: https://github.com/yokoffing/Betterfox                              *
+ * credit: Some prefs are reproduced and adapted from the arkenfox project  *
+ * credit urL: https://github.com/arkenfox/user.js                          *
 ***************************************************************************/

 /****************************************************************************
 * SECTION: MOZILLA UI                                                      *
 ****************************************************************************/

-// PREF: preferred color scheme for websites
-// [SETTING] General>Language and Appearance>Website appearance
-// By default, color scheme matches the theme of your browser toolbar (3).
-// Set this pref to choose Dark on sites that support it (0) or Light (1).
-// Before FF95, the pref was 2, which determined site color based on OS theme.
-// Dark (0), Light (1), System (2), Browser (3) (default [FF95+])
-// [1] https://www.reddit.com/r/firefox/comments/rfj6yc/how_to_stop_firefoxs_dark_theme_from_overriding/hoe82i5/?context=3
-user_pref("layout.css.prefers-color-scheme.content-override", 2);
-
-// PREF: disable always using dark theme for private browsing windows [FF106+]
-//user_pref("browser.theme.dark-private-windows", false);
-
-// PREF: enable Firefox to use userChome, userContent, etc.
-user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true);
-
-// PREF: disable annoying update restart prompts
-// Delay update available prompts for ~1 week.
-// Will still show green arrow in menu bar.
-user_pref("app.update.suppressPrompts", true);
-
-// PREF: add compact mode back to options
-user_pref("browser.compactmode.show", true);
-
 // PREF: Mozilla VPN
 // [1] https://github.com/yokoffing/Betterfox/issues/169
 user_pref("browser.privatebrowsing.vpnpromourl", "");
@@ -41,8 +20,23 @@ user_pref("browser.privatebrowsing.vpnpromourl", "");

 // PREF: disable about:addons' Recommendations pane (uses Google Analytics)
 user_pref("extensions.getAddons.showPane", false); // HIDDEN
+
+// PREF: disable recommendations in about:addons' Extensions and Themes panes
 user_pref("extensions.htmlaboutaddons.recommendations.enabled", false);

+// PREF: Personalized Extension Recommendations in about:addons and AMO
+// [NOTE] This pref has no effect when Health Reports are disabled.
+// [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to make personalized extension recommendations
+user_pref("browser.discovery.enabled", false);
+
+// PREF: disable Fakespot integration [FF116+]
+// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1840156#c0
+// [2] https://github.com/arkenfox/user.js/issues/1730
+// [3] https://www.fakespot.com/
+// [4] https://www.ghacks.net/2023/10/12/firefox-will-soon-tell-you-if-product-reviews-are-reliable/
+//user_pref("browser.shopping.experience2023.enabled", false); // DEFAULT
+//user_pref("browser.shopping.experience2023.ads.exposure", false); // DEFAULT [FF121+]
+
 // PREF: disable Firefox from asking to set as the default browser
 // [1] https://github.com/yokoffing/Betterfox/issues/166
 user_pref("browser.shell.checkDefaultBrowser", false);
@@ -55,13 +49,7 @@ user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features",
 // PREF: hide "More from Mozilla" in Settings
 user_pref("browser.preferences.moreFromMozilla", false);

-// PREF: only show List All Tabs icon when needed
-// true=always show tab overflow dropdown (FF106+ default)
-// false=only display tab dropdown when there are too many tabs
-// [1] https://www.ghacks.net/2022/10/19/how-to-hide-firefoxs-list-all-tabs-icon/
-user_pref("browser.tabs.tabmanager.enabled", false);
-
-// PREF: Warnings
+// PREF: tab and about:config warnings
 //user_pref("browser.tabs.warnOnClose", false); // DEFAULT [FF94+]
 //user_pref("browser.tabs.warnOnCloseOtherTabs", true); // DEFAULT
 //user_pref("browser.tabs.warnOnOpen", true); // DEFAULT
@@ -77,19 +65,58 @@ user_pref("browser.aboutwelcome.enabled", false); // disable Intro screens
 // PREF: disable "What's New" toolbar icon [FF69+]
 //user_pref("browser.messaging-system.whatsNewPanel.enabled", false);

+// PREF: only show List All Tabs icon when needed
+// true=always show tab overflow dropdown (FF106+ default)
+// false=only display tab dropdown when there are too many tabs
+// [1] https://www.ghacks.net/2022/10/19/how-to-hide-firefoxs-list-all-tabs-icon/
+user_pref("browser.tabs.tabmanager.enabled", false);
+
+// PREF: enable new screenshot tool [FF122+]
+//user_pref("screenshots.browser.component.enabled", true);
+
+/****************************************************************************
+ * SECTION: THEME ADJUSTMENTS                                              *
+****************************************************************************/
+
+// PREF: enable Firefox to use userChome, userContent, etc.
+user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true);
+
+// PREF: add compact mode back to options
+user_pref("browser.compactmode.show", true);
+
 // PREF: remove focus indicator for links
 // [1] https://www.askvg.com/firefox-tip-restore-classic-dotted-outline-focus-indicator-for-links/
 user_pref("browser.display.focus_ring_on_anything", true); 
 user_pref("browser.display.focus_ring_style", 0);
 user_pref("browser.display.focus_ring_width", 0);

+// PREF: preferred color scheme for websites
+// [SETTING] General>Language and Appearance>Website appearance
+// By default, color scheme matches the theme of your browser toolbar (3).
+// Set this pref to choose Dark on sites that support it (0) or Light (1).
+// Before FF95, the pref was 2, which determined site color based on OS theme.
+// Dark (0), Light (1), System (2), Browser (3) [DEFAULT FF95+]
+// [1] https://www.reddit.com/r/firefox/comments/rfj6yc/how_to_stop_firefoxs_dark_theme_from_overriding/hoe82i5/?context=3
+user_pref("layout.css.prefers-color-scheme.content-override", 2);
+
+// PREF: disable always using dark theme for private browsing windows [FF106+]
+//user_pref("browser.theme.dark-private-windows", false);
+
 // PREF: prevent private windows being separate from normal windows in taskbar [WINDOWS] [FF106+]
-user_pref("browser.privateWindowSeparation.enabled", false); // WINDOWS
+user_pref("browser.privateWindowSeparation.enabled", false);

 // PREF: reduce the size of the "private window" indicator in tab bar [FF106+]
-user_pref("browser.privatebrowsing.enable-new-indicator", false);
+//user_pref("browser.privatebrowsing.enable-new-indicator", false); // REMOVED [FF119+]

-// PREF: Cookie Banner handling [NIGHTLY]
+// PREF: show search bar [FF122+]
+// Mozilla has removed the search bar option from the settings window.
+//user_pref("browser.search.widget.inNavBar", true);
+
+/****************************************************************************
+ * SECTION: COOKIE BANNER HANDLING                                         *
+****************************************************************************/
+
+// PREF: Cookie Banner handling
 // [NOTE] Feature still enforces Total Cookie Protection to limit 3rd-party cookie tracking [1]
 // [1] https://github.com/mozilla/cookie-banner-rules-list/issues/33#issuecomment-1318460084
 // [2] https://phabricator.services.mozilla.com/D153642
@@ -98,42 +125,40 @@ user_pref("browser.privatebrowsing.enable-new-indicator", false);
 // 2: reject banners if it is a one-click option; otherwise, fall back to the accept button to remove banner
 // 1: reject banners if it is a one-click option; otherwise, keep banners on screen
 // 0: disable all cookie banner handling
-user_pref("cookiebanners.service.mode", 2);
-user_pref("cookiebanners.service.mode.privateBrowsing", 2);
-    //user_pref("cookiebanners.bannerClicking.enabled", true); // DEFAULT [FF108]
-    //user_pref("cookiebanners.cookieInjector.enabled", true); // DEFAULT
+user_pref("cookiebanners.service.mode", 1);
+user_pref("cookiebanners.service.mode.privateBrowsing", 1);

-// PREF: global CookieBannerRules [WiP]
-// Global rules that can handle a list of cookie banner libraries / providers on any site.
-// This is used for click rules that can handle common Consent Management Providers (CMP)
-// [WARNING] Beware of potential bugs and performance issues. Enabling this may negatively
-// impact site performance. It requires Firefox to run rule-defined query selectors for
-// every page.
-//user_pref("cookiebanners.service.enableGlobalRules", false); // DEFAULT
+// PREF: Cookie Banner global rules
+// Global rules that can handle a list of cookie banner libraries and providers on any site.
+// This is used for click rules that can handle common Consent Management Providers (CMP).
+//user_pref("cookiebanners.service.enableGlobalRules", true); // DEFAULT [FF121+]
+//user_pref("cookiebanners.service.enableGlobalRules.subFrames", true); // DEFAULT [FF121+]

-// PREF: Firefox Translations [NIGHTLY]
+/****************************************************************************
+ * SECTION: TRANSLATIONS                                                   *
+****************************************************************************/
+
+// PREF: Firefox Translations [FF118+]
 // Automated translation of web content is done locally in Firefox, so that
 // the text being translated does not leave your machine.
 // [ABOUT] Visit about:translations to translate your own text as well.
 // [1] https://blog.mozilla.org/en/mozilla/local-translation-add-on-project-bergamot/
 // [2] https://blog.nightly.mozilla.org/2023/06/01/firefox-translations-and-other-innovations-these-weeks-in-firefox-issue-139/
 // [3] https://www.ghacks.net/2023/08/02/mozilla-firefox-117-beta-brings-an-automatic-language-translator-for-websites-and-it-works-offline/
-user_pref("browser.translations.enable", true);
+//user_pref("browser.translations.enable", true); // DEFAULT
    //user_pref("browser.translations.autoTranslate", true);

-// PREF: Mozilla Shopping [FF116+]
-// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1836265
-//user_pref("browser.shopping.experience2023.enabled", false); // DEFAULT
-
 /****************************************************************************
 * SECTION: FULLSCREEN NOTICE                                               *
 ****************************************************************************/

-// PREF: disable fullscreen delay and notice
-user_pref("full-screen-api.transition-duration.enter", "0 0");
-user_pref("full-screen-api.transition-duration.leave", "0 0");
-user_pref("full-screen-api.warning.delay", -1);
-user_pref("full-screen-api.warning.timeout", 0);
+// PREF: remove fullscreen delay
+user_pref("full-screen-api.transition-duration.enter", "0 0"); // default=200 200
+user_pref("full-screen-api.transition-duration.leave", "0 0"); // default=200 200
+
+// PREF: disable fullscreen notice
+user_pref("full-screen-api.warning.delay", -1); // default=500
+user_pref("full-screen-api.warning.timeout", 0); // default=3000

 /****************************************************************************
 * SECTION: FONT APPEARANCE                                                 *
@@ -165,32 +190,45 @@ user_pref("full-screen-api.warning.timeout", 0);

 // PREF: minimize URL bar suggestions (bookmarks, history, open tabs)
 // Dropdown options in the URL bar:
-//user_pref("browser.urlbar.suggest.bookmark", true);
-user_pref("browser.urlbar.suggest.engines", false);
 //user_pref("browser.urlbar.suggest.history", false);
+//user_pref("browser.urlbar.suggest.bookmark", true); // DEFAULT
+//user_pref("browser.urlbar.suggest.clipboard", false);
 //user_pref("browser.urlbar.suggest.openpage", false);
-//user_pref("browser.urlbar.suggest.quickactions", false); // [NIGHTLY-only]
+user_pref("browser.urlbar.suggest.engines", false);
    //user_pref("browser.urlbar.suggest.searches", false);
+//user_pref("browser.urlbar.quickactions.enabled", false);
+//user_pref("browser.urlbar.shortcuts.quickactions", false);
 //user_pref("browser.urlbar.suggest.weather", true); // DEFAULT [FF108]
    //user_pref("browser.urlbar.weather.ignoreVPN", false); // DEFAULT
-
-// PREF: disable dropdown suggestions with empty query:
-user_pref("browser.urlbar.suggest.topsites", false);
-
-// PREF: enable helpful features:
 user_pref("browser.urlbar.suggest.calculator", true);
 user_pref("browser.urlbar.unitConversion.enabled", true);

+// PREF: disable dropdown suggestions with empty query
+//user_pref("browser.urlbar.suggest.topsites", false);
+
+// PREF: disable urlbar trending search suggestions [FF118+]
+// [SETTING] Search>Search Suggestions>Show trending search suggestions (FF119)
+user_pref("browser.urlbar.trending.featureGate", false);
+//user_pref("browser.urlbar.suggest.trending", false);
+
+// PREF: disable urlbar suggestions
+//user_pref("browser.urlbar.addons.featureGate", false); // [FF115+]
+//user_pref("browser.urlbar.mdn.featureGate", false); // [FF117+] [HIDDEN PREF]
+//user_pref("browser.urlbar.pocket.featureGate", false); // [FF116+] [DEFAULT: false]
+//user_pref("browser.urlbar.weather.featureGate", false); // [FF108+] [DEFAULT: false]
+//user_pref("browser.urlbar.clipboard.featureGate", false); // [FF118+] [DEFAULT: true FF125+]
+//user_pref("browser.urlbar.yelp.featureGate", false); // [FF124+] [DEFAULT: false]
+
+// PREF: disable tab-to-search [FF85+]
+// Alternatively, you can exclude on a per-engine basis by unchecking them in Options>Search
+// [SETTING] Privacy & Security>Address Bar>When using the address bar, suggest>Search engines
+//user_pref("browser.urlbar.suggest.engines", false);
+
 // PREF: Adaptive History Autofill
 // [1] https://docs.google.com/document/u/1/d/e/2PACX-1vRBLr_2dxus-aYhZRUkW9Q3B1K0uC-a0qQyE3kQDTU3pcNpDHb36-Pfo9fbETk89e7Jz4nkrqwRhi4j/pub
 //user_pref("browser.urlbar.autoFill", true); // [DEFAULT]
 //user_pref("browser.urlbar.autoFill.adaptiveHistory.enabled", false);

-// PREF: Quick Actions in the URL Bar [NIGHTLY-only]
-// [1] https://www.ghacks.net/2022/07/19/mozilla-is-testing-quick-actions-in-firefoxs-address-bar/
-//user_pref("browser.urlbar.quickactions.enabled", false);
-//user_pref("browser.urlbar.shortcuts.quickactions", false);
-
 // PREF: adjust the amount of Address bar / URL bar dropdown results
 // This value controls the total number of entries to appear in the location bar dropdown.
 // [NOTE] Items (bookmarks/history/openpages) with a high "frequency"/"bonus" will always
@@ -199,6 +237,10 @@ user_pref("browser.urlbar.unitConversion.enabled", true);
 // disable=0
 //user_pref("browser.urlbar.maxRichResults", 5); // default=10

+// PREF: text fragments [FF126+ NIGHTLY]
+// [1] https://developer.mozilla.org/en-US/docs/Web/Text_fragments
+//user_pref("dom.text_fragments.enabled", true);
+
 /****************************************************************************
 * SECTION: AUTOPLAY                                                        *
 ****************************************************************************/
@@ -245,7 +287,9 @@ user_pref("browser.urlbar.unitConversion.enabled", true);
 //user_pref("browser.newtabpage.activity-stream.discoverystream.enabled", false);
 //user_pref("browser.newtabpage.activity-stream.showSearch", true); // NTP Web Search [DEFAULT]
 user_pref("browser.newtabpage.activity-stream.feeds.topsites", false); // Shortcuts
-      //user_pref("browser.newtabpage.activity-stream.showSponsoredTopSites", false); // Sponsored shortcuts [FF83+]
+      //user_pref("browser.newtabpage.activity-stream.showSponsoredTopSites", false); // Shortcuts > Sponsored shortcuts [FF83+]
+//user_pref("browser.newtabpage.activity-stream.showWeather", false); // Weather [FF128+ NIGHTLY]
+    //user_pref("browser.newtabpage.activity-stream.system.showWeather", false); // Weather [FF128+ NIGHTLY]
 user_pref("browser.newtabpage.activity-stream.feeds.section.topstories", false); // Recommended by Pocket
      //user_pref("browser.newtabpage.activity-stream.showSponsored", false); // Sponsored Stories [FF58+]  
 //user_pref("browser.newtabpage.activity-stream.feeds.section.highlights", false); // Recent Activity [DEFAULT]
@@ -255,6 +299,13 @@ user_pref("browser.newtabpage.activity-stream.feeds.section.topstories", false);
      //user_pref("browser.newtabpage.activity-stream.section.highlights.includeVisited", false);
 //user_pref("browser.newtabpage.activity-stream.feeds.snippets", false); // [DEFAULT]

+// PREF: wallpapers on New Tab [FF128+ NIGHTLY]
+//user_pref("browser.newtabpage.activity-stream.newtabWallpapers.enabled", false); // Wallpapers
+
+// PREF: clear default topsites
+// [NOTE] This does not block you from adding your own.
+//user_pref("browser.newtabpage.activity-stream.default.sites", "");
+
 // PREF: keep search in the search box; prevent from jumping to address bar
 // [1] https://www.reddit.com/r/firefox/comments/oxwvbo/firefox_start_page_search_options/
 //user_pref("browser.newtabpage.activity-stream.improvesearch.handoffToAwesomebar", false);
@@ -281,31 +332,35 @@ user_pref("extensions.pocket.enabled", false);
 * SECTION: DOWNLOADS                                 *
 ******************************************************************************/

-// PREF: autohide the downloads button
-//user_pref("browser.download.autohideButton", true); // DEFAULT
-
 // PREF: choose download location
 // [SETTING] To set your default "downloads": General>Downloads>Save files to...
 // 0=desktop, 1=downloads (default), 2=last used
 //user_pref("browser.download.folderList", 1); // DEFAULT

-// PREF: always ask where to download
+// PREF: always ask how to handle new mimetypes [FF101+]
 // Enforce user interaction for greater security.
-// [SETTING] General>Downloads>Always ask you where to save files
+// [SETTING] General>Files and Applications>Applications>What should Firefox do with other files?
+// false=Save files
+// true=Ask whether to open or save files
+user_pref("browser.download.always_ask_before_handling_new_types", true);
+
+// PREF: always ask where to download
+// [OPTIONAL HARDENING] Enforce user interaction for greater security.
+// [SETTING] General>Files and Applications>Downloads>Always ask you where to save files
 // [DIALOGUE] "Ask whether to open or save files"
 // true=direct download (default)
 // false=the user is asked what to do
-// [1] https://github.com/yokoffing/Betterfox/issues/216
-user_pref("browser.download.useDownloadDir", false);
+// [1] https://github.com/yokoffing/Betterfox/issues/267
+//user_pref("browser.download.useDownloadDir", false);
    //user_pref("browser.download.dir", "C:\Users\<YOUR_USERNAME>\AppData\Local\Temp"); // [WINDOWS]

-// PREF: always ask how to handle new mimetypes
-// Enforce user interaction for greater security.
-// [SETTING] General>Files and Applications>What should Firefox do with other files
-user_pref("browser.download.always_ask_before_handling_new_types", true);
+// PREF: autohide the downloads button
+//user_pref("browser.download.autohideButton", true); // DEFAULT

-// PREF: disable downloads panel opening on every download
-user_pref("browser.download.alwaysOpenPanel", false);
+// PREF: disable download panel opening on every download [non-functional?]
+// Controls whether to open the download panel every time a download begins.
+// [NOTE] The first download ever ran in a new profile will still open the panel.
+//user_pref("browser.download.alwaysOpenPanel", false);

 // PREF: disable adding downloads to the system's "recent documents" list 
 user_pref("browser.download.manager.addToRecentDocs", false);
@@ -317,6 +372,7 @@ user_pref("browser.download.manager.addToRecentDocs", false);
 // PREF: enforce Firefox's built-in PDF reader
 // This setting controls if the option "Display in Firefox" is available in the setting below
 // and by effect controls whether PDFs are handled in-browser or externally ("Ask" or "Open With").
+// [1] https://mozilla.github.io/pdf.js/
 //user_pref("pdfjs.disabled", false); // DEFAULT

 // PREF: allow viewing of PDFs even if the response HTTP headers
@@ -326,11 +382,12 @@ user_pref("browser.download.manager.addToRecentDocs", false);
 // PREF: open PDFs inline (FF103+)
 user_pref("browser.download.open_pdf_attachments_inline", true);

-// PREF: PDF sidebar on load [HIDDEN] 
+// PREF: PDF sidebar on load
 // 2=table of contents (if not available, will default to 1)
 // 1=view pages
-// -1=disabled (default)
-user_pref("pdfjs.sidebarViewOnLoad", 2);
+// 0=disabled
+// -1=remember previous state (default)
+//user_pref("pdfjs.sidebarViewOnLoad", 2);

 // PREF: default zoom for PDFs [HIDDEN]
 // [NOTE] "page-width" not needed if using sidebar on load
@@ -387,11 +444,9 @@ user_pref("pdfjs.sidebarViewOnLoad", 2);
 // [1] https://kb.mozillazine.org/About:config_entries
 //user_pref("browser.tabs.loadDivertedInBackground", false); // DEFAULT

-// PREF: load bookmarks in the background when left-clicking in Bookmarks Menu
-//user_pref("browser.tabs.loadBookmarksInBackground", true);
-
 // PREF: force bookmarks to open in a new tab, not the current tab
-user_pref("browser.tabs.loadBookmarksInTabs", true);
+//user_pref("browser.tabs.loadBookmarksInTabs", true);
+    //user_pref("browser.tabs.loadBookmarksInBackground", true); // load bookmarks in background

 // PREF: leave Bookmarks Menu open when selecting a site
 user_pref("browser.bookmarks.openInTabClosesMenu", false);
@@ -428,15 +483,21 @@ user_pref("findbar.highlightAll", true);
 //user_pref("browser.tabs.closeWindowWithLastTab", false);

 // PREF: stop websites from reloading pages automatically
-// [WARNING] Breakage with some sites.
+// [WARNING] Breaks some sites.
 // [1] https://www.ghacks.net/2018/08/19/stop-websites-from-reloading-pages-automatically/
 //user_pref("accessibility.blockautorefresh", true);
 //user_pref("browser.meta_refresh_when_inactive.disabled", true);

-// PREF: Controls if a double click word selection also deletes one adjacent whitespace
-// (if feasible). This mimics native behavior on macOS.
+// PREF: do not select the space next to a word when selecting a word
+user_pref("layout.word_select.eat_space_to_next_word", false);
+
+// PREF: controls if a double-click word selection also deletes one adjacent whitespace
+// This mimics native behavior on macOS.
 //user_pref("editor.word_select.delete_space_after_doubleclick_selection", true);

+// PREF: do not hide the pointer while typing [LINUX]
+//user_pref("widget.gtk.hide-pointer-while-typing.enabled", false);
+
 // PREF: limit events that can cause a pop-up
 // Firefox provides an option to provide exceptions for sites, remembered in your Site Settings.
 // (default) "change click dblclick auxclick mouseup pointerup notificationclick reset submit touchend contextmenu"
@@ -445,6 +506,9 @@ user_pref("findbar.highlightAll", true);
 //user_pref("dom.disable_open_during_load", true); // DEFAULT
 //user_pref("privacy.popups.showBrowserMessage", true); // DEFAULT

+// PREF: enable Tab Preview [FF122+]
+//user_pref("browser.tabs.cardPreview.enabled", true);
+
 /****************************************************************************
 * SECTION: UNCATEGORIZED                                                   *
 ****************************************************************************/
@@ -454,17 +518,19 @@ user_pref("findbar.highlightAll", true);
 //user_pref("browser.backspace_action", 2); // DEFAULT

 // PREF: disable Reader mode
+// [TIP] Use about:reader?url=%s as a keyword to open links automatically in reader mode [1].
 // Firefox will not have to parse webpage for Reader when navigating.
-// Extremely minimal performance impact, if you enable.
+// Extremely minimal performance impact, if you disable.
+// [1] https://www.reddit.com/r/firefox/comments/621sr2/i_found_out_how_to_automatically_open_a_url_in/ 
 //user_pref("reader.parse-on-load.enabled", false);

 // PREF: disable ALT key toggling the menu bar
 //user_pref("ui.key.menuAccessKeyFocuses", false);
    //user_pref("ui.key.menuAccessKey", 18); // DEFAULT

-// PREF: CTRL+TAB cycles tabs in chronological order instead of
-// recently-used order
-//user_pref("browser.ctrlTab.recentlyUsedOrder", false);
+// PREF: cycle through tabs in recently used order
+// [SETTING] Ctrl+Tab cycles through tabs in recently used order
+//user_pref("browser.ctrlTab.sortByRecentlyUsed", true);

 // PREF: Spell-check
 // 0=none, 1-multi-line, 2=multi-line & single-line
@@ -523,11 +589,15 @@ user_pref("findbar.highlightAll", true);

 // PREF: JPEG XL image format [NIGHTLY]
 // May not affect anything on ESR/Stable channel [2].
+// [TEST] https://jpegxl.io/tutorials/firefox/#firefoxjpegxltutorial
 // [1] https://cloudinary.com/blog/the-case-for-jpeg-xl
-// [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1539075
+// [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1539075#c51
 //user_pref("image.jxl.enabled", true);

 // PREF: enable CSS moz document rules
 // Still needed for Stylus?
 // [1] https://reddit.com/r/FirefoxCSS/comments/8x2q97/reenabling_mozdocument_rules_in_firefox_61/
 //user_pref("layout.css.moz-document.content.enabled", true);
+
+// PREF: always underline links [FF120+]
+//user_pref("layout.css.always_underline_links", false); // DEFAULT
@@ -3,6 +3,8 @@
 [![Visitors](https://hits.seeyoufarm.com/api/count/incr/badge.svg?url=https%3A%2F%2Fgithub.com%2Fyokoffing%2FBetter-Fox&count_bg=%2379C83D&title_bg=%23555555&icon=&icon_color=%23E7E7E7&title=visitors&edge_flat=false)](https://hits.seeyoufarm.com)

 # Betterfox
+31% faster than regular Firefox<sup>[1](https://medium.com/@mihirgrand/comparing-popular-firefox-forks-6fa83fdfdaad#:~:text=31%25%20more%20than%20vanilla%20Firefox)</sup> :rocket:
+
 [about:config](https://support.mozilla.org/en-US/kb/about-config-editor-firefox) tweaks to enhance [Mozilla Firefox](https://www.mozilla.org/en-US/firefox/new/). 

 :new: Now with [ESR support](https://github.com/yokoffing/Betterfox/tree/esr115#betterfox-esr).
@@ -10,7 +12,24 @@
 ## Made for everyday browsing
 **A secure, blazing fast browsing experience. Without breakage.**

-Betterfox is an opinionated preference list inspired by the [law of diminishing returns](https://pmctraining.com/site/wp-content/uploads/2018/04/Law-of-Diminishing-Returns-CHART.png) and the [minimum effective dose](https://medium.com/the-mission/less-is-more-the-minimum-effective-dose-e6d56625931e).
+Betterfox is an opinionated preference list inspired by the [law of diminishing returns](http://psychologyofwellbeing.com/wp-content/uploads/2017/01/Diminishing-Returns.gif) and the [minimum effective dose](https://medium.com/the-mission/less-is-more-the-minimum-effective-dose-e6d56625931e).
+
+## Required reading
+*If you don't have it already: [Get Firefox](https://www.mozilla.org/en-US/firefox/all/#product-desktop-release)*
+
+0) Create a [backup profile](https://github.com/yokoffing/Betterfox/wiki/Backup).
+1) Download the user.js file [here](https://raw.githubusercontent.com/yokoffing/Betterfox/main/user.js) (Right click > `Save Link As…`).
+2) Review [Common Overrides](https://github.com/yokoffing/Betterfox/wiki/Common-Overrides) and make any necessary changes.
+   * See also [Optional Hardening](https://github.com/yokoffing/Betterfox/wiki/Optional-Hardening) for other recommendations.
+3) Open Firefox. In the URL bar, type `about:profiles` and press **Enter**.
+4) For the profile you want to use (or use default), click **Open Folder** in the **Root Directory** section.
+5) Move the `user.js` file into the folder.
+
+*After restarting Firefox:*
+1) Get an **ad blocker** like [uBlock Origin](https://addons.mozilla.org/blog/ublock-origin-everything-you-need-to-know-about-the-ad-blocker/) with our [recommended filters](https://github.com/yokoffing/filterlists#guidelines).
+2) Enable **DNS-level protection** with [NextDNS](https://nextdns.io/?from=xujj63g5). <sup><i>Use the link and support this page!</i></sup>
+    * Check out our configuration [guide](https://github.com/yokoffing/NextDNS-Config) for the best experience.
+    * See how to [quickly enable](https://support.mozilla.org/en-US/kb/dns-over-https) **secure DNS** in Firefox.

 ## Simple goals
 1) **Minimalism:** get what isn't needed out of the way
@@ -19,47 +38,29 @@ Betterfox is an opinionated preference list inspired by the [law of diminishing

 ## Simple configs

-| List      | Description |
-|:---------:|-------------|
-| [Fastfox](https://github.com/yokoffing/Betterfox/blob/main/Fastfox.js)   | Immensely increase Firefox's browsing speed. Give Chrome a run for its money!|
-| [Securefox](https://github.com/yokoffing/Betterfox/blob/main/Securefox.js) | [Global Privacy Control](https://blog.mozilla.org/netpolicy/2021/10/28/implementing-global-privacy-control/). [HTTPS-by-Default](https://blog.mozilla.org/security/2021/08/10/firefox-91-introduces-https-by-default-in-private-browsing/). [Total Cookie Protection](https://blog.mozilla.org/security/2021/02/23/total-cookie-protection/) with [site isolation](https://blog.mozilla.org/security/2021/05/18/introducing-site-isolation-in-firefox/). Enhanced [state](https://developer.mozilla.org/en-US/docs/Web/Privacy/State_Partitioning) and [network](https://blog.mozilla.org/security/2021/01/26/supercookie-protections/) partitioning. [Telemetry](https://github.com/yokoffing/Betterfox/blob/e66a549985f6b0db4b14226904b8c09eaaea998f/Securefox.js#L1262-L1265) disabled. |
-| [Peskyfox](https://github.com/yokoffing/Betterfox/blob/main/Peskyfox.js)  | Unclutter the new tab page. Remove [Pocket](https://support.mozilla.org/en-US/kb/what-pocket). Restore [compact mode](https://support.mozilla.org/en-US/kb/compact-mode-workaround-firefox) as an option. Stop webpage notifications, pop-ups, and other annoyances. |
-| [Smoothfox](https://github.com/yokoffing/Betterfox/blob/main/Smoothfox.js) | Get Edge-like smooth scrolling on your favorite browser — or choose something more your style. |
-| [user.js](https://github.com/yokoffing/Betterfox/blob/main/user.js) | All the essentials. None of the breakage. This is your `user.js`. |
-
 `Fastfox`, `Securefox`, `Peskyfox`, and `Smoothfox` are guides to settings within Firefox.

 The `user.js` — a configuration file that controls Firefox settings — is curated from these guides.

-## Getting started
-*If you don't have it already: [Get Firefox](https://www.mozilla.org/en-US/firefox/all/#product-desktop-release)*
-
-1) Download the user.js file [here](https://raw.githubusercontent.com/yokoffing/Betterfox/main/user.js) (Right click > `Save Link As…`).
-2) Review [Common Overrides](https://github.com/yokoffing/Betterfox/wiki/Common-Overrides) and make any necessary changes.
-3) Open Firefox. In the URL bar, type `about:profiles` and press `Enter`.
-4) For the profile you want to use (or use default), click `Open Folder` in the **Root Directory** section.
-5) Move the `user.js` file into the folder.
-
-*After restarting Firefox:*
-1) Get an **ad blocker** like [uBlock Origin](https://addons.mozilla.org/blog/ublock-origin-everything-you-need-to-know-about-the-ad-blocker/) with our [recommended filters](https://github.com/yokoffing/filterlists#guidelines). For a simple solution, use [Ghostery](https://addons.mozilla.org/en-US/firefox/addon/ghostery/).
-3) Enable **DNS-level protection** with [NextDNS](https://nextdns.io/?from=xujj63g5), and check out our configuration [guide](https://github.com/yokoffing/NextDNS-Config).
-    * See how to [quickly enable](https://support.mozilla.org/en-US/kb/dns-over-https) **secure DNS** in Firefox.
-
-## about:Privacy
-Betterfox is a great balance of privacy and convenience.
-
-See [Optional Hardening](https://github.com/yokoffing/Betterfox/wiki/Optional-Hardening) for other suggestions.
+| List      | Description |
+|:---------:|-------------|
+| [Fastfox](https://github.com/yokoffing/Betterfox/blob/main/Fastfox.js)   | Increase Firefox's browsing speed. Give Chrome a run for its money!|
+| [Securefox](https://github.com/yokoffing/Betterfox/blob/main/Securefox.js) | Protect user data without causing site breakage. |
+| [Peskyfox](https://github.com/yokoffing/Betterfox/blob/main/Peskyfox.js)  | Provide a clean, distraction-free browsing experience. |
+| [Smoothfox](https://github.com/yokoffing/Betterfox/blob/main/Smoothfox.js) | Get Edge-like smooth scrolling on your favorite browser — or choose something more your style. |
+| [user.js](https://github.com/yokoffing/Betterfox/blob/main/user.js) | All the essentials. None of the breakage. This is your `user.js`. |

 ## Recognition

 ### Browser Integration
-* [Waterfox](https://github.com/WaterfoxCo/Waterfox/releases/tag/G6.0b3) | [files](https://github.com/WaterfoxCo/Waterfox/tree/future/waterfox/browser/app/profile) (August 2023)
-* [Floorp](https://github.com/Floorp-Projects/Floorp#-betterfox) <sup>[1](https://github.com/Floorp-Projects/Floorp/issues/233#issuecomment-1543557167) [2](https://blog.ablaze.one/3135/2023-04-01/)</sup> | [files](https://github.com/Floorp-Projects/Floorp/blob/ESR115/floorp/browser/components/preferences/userjs.inc.xhtml) (April 2023)
+* [Midori](https://github.com/goastian/midori-desktop/blob/ESR115/README.md) | [files](https://github.com/goastian/midori-desktop/blob/f3d8d96eb8e08f35a64e3c957bea4e839d7c7730/floorp/browser/components/userjsUtils.sys.mjs#L28-L33) (Dec 2023?)
+* [Mercury](https://github.com/Alex313031/Mercury/releases/tag/v.115.3.0) | [files](https://github.com/Alex313031/Mercury/commit/eb9600f9fb8f48c8f5b5c6f3264fbcdb5caff7f5) (Sep 2023)
+* [Waterfox](https://www.waterfox.net/en-US/docs/releases/G6.0/) | [files](https://github.com/WaterfoxCo/Waterfox/tree/current/waterfox/browser/app/profile) (Sep 2023)
+* [Floorp](https://github.com/Floorp-Projects/Floorp#-betterfox) <sup>[1](https://github.com/Floorp-Projects/Floorp/issues/233#issuecomment-1543557167) [2](https://blog.ablaze.one/3135/2023-04-01/)</sup> | [files](https://github.com/Floorp-Projects/Floorp/blob/ESR115/floorp/browser/components/preferences/userjs.inc.xhtml) (Apr 2023)
 * [Pulse](https://github.com/pulse-browser/browser#%EF%B8%8F-credits) | [files](https://github.com/pulse-browser/browser/tree/alpha/src/browser/app/profile) (Dec 2021)
 * [Ghostery Private Browser](https://github.com/ghostery/user-agent-desktop#community) <sup>[1](https://web.archive.org/web/20210509171835/https://www.ghostery.com/ghostery-dawn-update-more/) [2](https://web.archive.org/web/20210921114333/https://www.ghostery.com/ghostery-dawn-product-update/)</sup> | [files](https://github.com/ghostery/user-agent-desktop/tree/main/brands/ghostery/branding/pref) (Feb 2021)

 ### YouTube
-* [Ukrainian] [Firefox is NOT private. I show how to fix it.](https://youtu.be/mVBxBPwI_gE?si=CdPhYN8OezQbvazX&t=222) (Aug 2023)
 * [The ULTIMATE Browser Tier List](https://youtu.be/j5r6jFE8gic?t=560) (Mar 2023)
 * [I Hate Firefox. But I'm Still Switching Back to It.](https://youtu.be/w0SJFED5xK0?t=220) (Nov 2022)
 * [Español] [Optimize and Accelerate Firefox](https://www.youtube.com/watch?v=3XtoONmq5_Q) (Nov 2022) 
@@ -70,7 +71,9 @@ See [Optional Hardening](https://github.com/yokoffing/Betterfox/wiki/Optional-Ha
 * [GhoSTORIES with Franz & Pete](https://anchor.fm/ghostories/episodes/S2E6-We-Talking-Ghostery-Dawn----Again-er0q02/a-a4o5vmh) | 17:05–18:40 (Feb 2021)

 ### Articles
-* [German] [Pulse Browser Review: Firefox fork with Turbo tweaks and Opera sidebar](https://www.computerbild.de/artikel/cb-Tipps-Software-Pulse-Browser-Review-ein-Firefox-Fork-mit-Seitenleiste-wie-bei-Opera-35644139.html#:~:text=Noch%20mehr%20Speed%2DFeatures) (April 2023)
+* [Browsers for Daily Using](https://anhkhoakz.neocities.org/blog/browsers-for-daily-using) (Jan 2024)
+* [Avoiding Manifest V3 – Escaping the Ad-Pocalypse](https://www.xbitlabs.com/avoiding-manifest-v3/) (Dec 2023)
+* [German] [Pulse Browser Review: Firefox fork with Turbo tweaks and Opera sidebar](https://www.computerbild.de/artikel/cb-Tipps-Software-Pulse-Browser-Review-ein-Firefox-Fork-mit-Seitenleiste-wie-bei-Opera-35644139.html#:~:text=Noch%20mehr%20Speed%2DFeatures) (Apr 2023)
 * [2023 Browser Showdown: Comparing Chrome, Brave, Firefox, Vivaldi, and Opera](https://www.appdate.lk/technology/2023-browser-showdown/) (Jan 2023)

 ### Guides
@@ -94,12 +97,11 @@ If you like the project, leave a :star: (top right) and become a [stargazer](htt

 [![Stargazers repo roster for @yokoffing/Betterfox](https://reporoster.com/stars/dark/yokoffing/Betterfox)](https://github.com/yokoffing/Betterfox/stargazers)

-## Credit
-<div>
-<img align="right" src="https://media.tenor.com/m_knf6IKaJwAAAAC/hi-fox.gif" width="110" height="120"/>
-</div>
+<a href='https://ko-fi.com/Q5Q5G8EPH' target='_blank'><img height='36' style='border:0px;height:36px;' src='https://storage.ko-fi.com/cdn/kofi2.png?v=3' border='0' alt='Buy Me a Coffee at ko-fi.com' /></a>
+<noscript><a href="https://liberapay.com/yokoffing/donate"><img alt="Donate using Liberapay" src="https://liberapay.com/assets/widgets/donate.svg"></a></noscript>

-* This repository benefits from the ongoing research provided by [arkenfox](https://github.com/arkenfox/user.js).
+## Credit
+* Betterfox mirrors the ongoing work provided by [arkenfox](https://github.com/arkenfox/user.js). Additionally, this repository includes content reproduced or adapted from other sources. Credit for overlapping material goes to the original authors.
 * Appreciation goes to the [Firefox](https://www.mozilla.org/en-US/firefox/new/) team and developers working on [Bugzilla](https://bugzilla.mozilla.org/home), fighting for the open web.
 * A special thanks to [Alex Kontos](https://github.com/MrAlex94) of [Waterfox](https://github.com/WaterfoxCo/Waterfox) for his collaboration in v.116.
 * Many thanks to the 2021 [Ghostery](https://github.com/ghostery) team for testing Betterfox at scale in its early days.
@@ -3,8 +3,10 @@
 * Securefox                                                                *
 * "Natura non contristatur"                                                *     
 * priority: provide sensible security and privacy                          *
- * version: 116.1                                                           *
+ * version: 126                                                             *
 * url: https://github.com/yokoffing/Betterfox                              *
+ * credit: Most prefs are reproduced and adapted from the arkenfox project  *
+ * credit urL: https://github.com/arkenfox/user.js                          *
 ****************************************************************************/

 /****************************************************************************
@@ -34,6 +36,8 @@ user_pref("browser.contentblocking.category", "strict");
    //user_pref("network.http.referer.disallowCrossSiteRelaxingDefault.top_navigation", true); // enabled with "Strict"
 //user_pref("privacy.annotate_channels.strict_list.enabled", true); // enabled with "Strict"
    //user_pref("privacy.annotate_channels.strict_list.pbmode.enabled", true); // DEFAULT
+//user_pref("privacy.fingerprintingProtection", true); // [FF114+] [ETP FF119+] enabled with "Strict"
+    //user_pref("privacy.fingerprintingProtection.pbmode", true); // DEFAULT

 // PREF: query stripping
 // Currently uses a small list [1]
@@ -47,6 +51,7 @@ user_pref("browser.contentblocking.category", "strict");
 // [5] https://firefox.settings.services.mozilla.com/v1/buckets/main/collections/query-stripping/records
 //user_pref("privacy.query_stripping.enabled", true); // enabled with "Strict"
 //user_pref("privacy.query_stripping.enabled.pbmode", true); // enabled with "Strict"
+//user_pref("privacy.query_stripping.strip_list", ""); // DEFAULT
 //user_pref("privacy.query_stripping.strip_on_share.enabled", true);

 // PREF: allow embedded tweets, Instagram and Reddit posts, and TikTok embeds
@@ -84,7 +89,7 @@ user_pref("urlclassifier.features.socialtracking.skipURLs", "*.instagram.com, *.
 // 0=disabled, 1=enabled (default)
 //user_pref("security.sandbox.gpu.level", 1); // DEFAULT WINDOWS

-// PREF: State Paritioning [aka Dynamic First-Party Isolation (dFPI)]
+// PREF: State Partitioning [Dynamic First-Party Isolation (dFPI), Total Cookie Protection (TCP)]
 // Firefox manages client-side state (i.e., data stored in the browser) to mitigate the ability of websites to abuse state
 // for cross-site tracking. This effort aims to achieve that by providing what is effectively a "different", isolated storage
 // location to every website a user visits.
@@ -98,9 +103,10 @@ user_pref("urlclassifier.features.socialtracking.skipURLs", "*.instagram.com, *.
 // [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1549587
 // [2] https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Privacy/State_Partitioning
 // [3] https://blog.mozilla.org/security/2021/02/23/total-cookie-protection/
-// [4] https://hacks.mozilla.org/2021/02/introducing-state-partitioning/
-// [5] https://github.com/arkenfox/user.js/issues/1281
-// [6] https://hacks.mozilla.org/2022/02/improving-the-storage-access-api-in-firefox/
+// [4] https://blog.mozilla.org/en/mozilla/firefox-rolls-out-total-cookie-protection-by-default-to-all-users-worldwide/
+// [5] https://hacks.mozilla.org/2021/02/introducing-state-partitioning/
+// [6] https://github.com/arkenfox/user.js/issues/1281
+// [7] https://hacks.mozilla.org/2022/02/improving-the-storage-access-api-in-firefox/
 //user_pref("network.cookie.cookieBehavior", 5); // DEFAULT FF103+
 //user_pref("browser.contentblocking.reject-and-isolate-cookies.preferences.ui.enabled", true); // DEFAULT

@@ -114,8 +120,8 @@ user_pref("urlclassifier.features.socialtracking.skipURLs", "*.instagram.com, *.
 // [3] https://blog.mozilla.org/security/2021/01/26/supercookie-protections/
 //user_pref("privacy.partition.network_state", true); // DEFAULT
    //user_pref("privacy.partition.serviceWorkers", true); // [DEFAULT: true FF105+]
-    //user_pref("privacy.partition.network_state.ocsp_cache", true); // enabled with "Strict"
-    //user_pref("privacy.partition.bloburl_per_agent_cluster", false); // DEFAULT [REGRESSIONS - DO NOT TOUCH]
+    //user_pref("privacy.partition.network_state.ocsp_cache", true); // enabled with "Strict" [DEFAULT: true FF123+]
+    //user_pref("privacy.partition.bloburl_per_partition_key", true); // [FF118+]
 // enable APS (Always Partitioning Storage) [FF104+]
 //user_pref("privacy.partition.always_partition_third_party_non_cookie_storage", true); // [DEFAULT: true FF109+]
 //user_pref("privacy.partition.always_partition_third_party_non_cookie_storage.exempt_sessionstorage", false); // [DEFAULT: false FF109+]
@@ -126,7 +132,7 @@ user_pref("urlclassifier.features.socialtracking.skipURLs", "*.instagram.com, *.
 // [3] https://searchfox.org/mozilla-central/source/browser/extensions/webcompat/data/shims.js
 //user_pref("extensions.webcompat.enable_shims", true); // enabled with "Strict"

-// PREF: Redirect Tracking Prevention
+// PREF: Redirect Tracking Prevention / Cookie Purging
 // All storage is cleared (more or less) daily from origins that are known trackers and that
 // haven’t received a top-level user interaction (including scroll) within the last 45 days.
 // [1] https://www.ghacks.net/2020/08/06/how-to-enable-redirect-tracking-in-firefox/
@@ -134,20 +140,34 @@ user_pref("urlclassifier.features.socialtracking.skipURLs", "*.instagram.com, *.
 // [3] https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Privacy/Redirect_tracking_protection
 // [4] https://www.ghacks.net/2020/03/04/firefox-75-will-purge-site-data-if-associated-with-tracking-cookies/
 // [5] https://github.com/arkenfox/user.js/issues/1089
+// [6] https://firefox-source-docs.mozilla.org/toolkit/components/antitracking/anti-tracking/cookie-purging/index.html
 //user_pref("privacy.purge_trackers.enabled", true); // DEFAULT

+// PREF: Bounce Tracking Protection [FF127+ NIGHTLY]
+// A new standardised variant of Cookie Purging that uses heuristics to detect bounce trackers,
+// rather than relying on tracker lists.
+// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1895222
+// [2] https://groups.google.com/a/mozilla.org/g/dev-platform/c/M6erM0SjPTM
+//user_pref("privacy.bounceTrackingProtection.enabled", true); // DEFAULT
+//user_pref("privacy.bounceTrackingProtection.enableDryRunMode", false); // DEFAULT
+
 // PREF: SameSite Cookies
-// [1] https://caniuse.com/?search=samesite
-// [2] https://github.com/arkenfox/user.js/issues/1640#issuecomment-1464093950
-// [3] https://support.mozilla.org/en-US/questions/1364032
-// [4] https://blog.mozilla.org/security/2018/04/24/same-site-cookies-in-firefox-60/
-// [5] https://hacks.mozilla.org/2020/08/changes-to-samesite-cookie-behavior/
+// Currently, the absence of the SameSite attribute implies that cookies will be
+// attached to any request for a given origin, no matter who initiated that request.
+// This behavior is equivalent to setting SameSite=None.
+// So the pref allows the lack of attribution, or SameSite=None, only on HTTPS sites
+// to prevent CSFRs on plaintext sites.
+// [1] https://hacks.mozilla.org/2020/08/changes-to-samesite-cookie-behavior/
+// [2] https://caniuse.com/?search=samesite
+// [3] https://github.com/arkenfox/user.js/issues/1640#issuecomment-1464093950
+// [4] https://support.mozilla.org/en-US/questions/1364032
+// [5] https://blog.mozilla.org/security/2018/04/24/same-site-cookies-in-firefox-60/
 // [6] https://web.dev/samesite-cookies-explained/
 // [7] https://portswigger.net/web-security/csrf/bypassing-samesite-restrictions
 // [8] https://developer.mozilla.org/en-US/docs/Web/HTTP/Cookies
 // [TEST] https://samesite-sandbox.glitch.me/
 //user_pref("network.cookie.sameSite.laxByDefault", true);
-//user_pref("network.cookie.sameSite.noneRequiresSecure", true);
+user_pref("network.cookie.sameSite.noneRequiresSecure", true);
 //user_pref("network.cookie.sameSite.schemeful", true);

 // PREF: Hyperlink Auditing (click tracking)
@@ -171,6 +191,12 @@ user_pref("urlclassifier.features.socialtracking.skipURLs", "*.instagram.com, *.
 // [1] https://developer.mozilla.org/en-US/docs/Web/API/Battery_Status_API#browser_compatibility
 //user_pref("dom.battery.enabled", false);

+// PREF: remove temp files opened from non-PB windows with an external application
+// [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=302433,1738574
+// [2] https://github.com/arkenfox/user.js/issues/1732
+user_pref("browser.download.start_downloads_in_tmp_dir", true); // [FF102+]
+user_pref("browser.helperApps.deleteTempFileOnExit", true);
+
 // PREF: disable UITour backend
 // This way, there is no chance that a remote page can use it.
 user_pref("browser.uitour.enabled", false);
@@ -180,18 +206,23 @@ user_pref("browser.uitour.enabled", false);
 // [1] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/16222
 //user_pref("devtools.debugger.remote-enabled", false); // DEFAULT

-// PREF: enable Global Privacy Control (GPC) [NIGHTLY]
-// Honored by many highly ranked sites [2].
+// PREF: Global Privacy Control (GPC) [FF118+]
+// A privacy signal that tells the websites that the user
+// doesn’t want to be tracked and doesn’t want their data to be sold.
+// Honored by many highly ranked sites [3].
+// [SETTING] Privacy & Security > Website Privacy Preferences > Tell websites not to sell or share my data
 // [TEST] https://global-privacy-control.glitch.me/
-// [1] https://globalprivacycontrol.org/press-release/20201007.html
-// [2] https://github.com/arkenfox/user.js/issues/1542#issuecomment-1279823954
-// [3] https://blog.mozilla.org/netpolicy/2021/10/28/implementing-global-privacy-control/
-// [4] https://help.duckduckgo.com/duckduckgo-help-pages/privacy/gpc/
-// [5] https://brave.com/web-standards-at-brave/4-global-privacy-control/
-// [6] https://www.eff.org/gpc-privacy-badger
-// [7] https://www.eff.org/issues/do-not-track
+// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1830623
+// [2] https://globalprivacycontrol.org/press-release/20201007.html
+// [3] https://github.com/arkenfox/user.js/issues/1542#issuecomment-1279823954
+// [4] https://blog.mozilla.org/netpolicy/2021/10/28/implementing-global-privacy-control/
+// [5] https://help.duckduckgo.com/duckduckgo-help-pages/privacy/gpc/
+// [6] https://brave.com/web-standards-at-brave/4-global-privacy-control/
+// [7] https://www.eff.org/gpc-privacy-badger
+// [8] https://www.eff.org/issues/do-not-track
 user_pref("privacy.globalprivacycontrol.enabled", true);
-    user_pref("privacy.globalprivacycontrol.functionality.enabled", true);
+    //user_pref("privacy.globalprivacycontrol.functionality.enabled", true); // [FF120+]
+//user_pref("privacy.globalprivacycontrol.pbmode.enabled", true); // [FF120+]

 /****************************************************************************
 * SECTION: OSCP & CERTS / HPKP (HTTP Public Key Pinning)                   *
@@ -232,8 +263,9 @@ user_pref("security.OCSP.enabled", 0);
 // [3] https://www.ssl.com/blogs/how-do-browsers-handle-revoked-ssl-tls-certificates/#ftoc-heading-3
 //user_pref("security.OCSP.require", true);
      
-// PREF: enable CRLite
-// CRLite covers valid certs, and it doesn't fall back to OCSP in mode 2 [FF84+]
+// PREF: CRLite
+// CRLite covers valid certs, and it doesn't fall back to OCSP in mode 2 [FF84+].
+// CRLite is faster and more private than OCSP [2].
 // 0 = disabled
 // 1 = consult CRLite but only collect telemetry
 // 2 = consult CRLite and enforce both "Revoked" and "Not Revoked" results
@@ -244,7 +276,13 @@ user_pref("security.remote_settings.crlite_filters.enabled", true);
 user_pref("security.pki.crlite_mode", 2);

 // PREF: HTTP Public Key Pinning (HPKP)
-// If you rely on an antivirus to protect your web browsing
+// HPKP enhances the security of SSL certificates by associating
+// a host with their expected public key. It prevents attackers
+// from impersonating the host using fraudulent certificates,
+// even if they hold a valid certificate from a trusted certification authority.
+// HPKP ensures that the client maintains a secure connection with
+// the correct server, thereby reducing the risk of man-in-the-middle (MITM) attacks.
+// [NOTE] If you rely on an antivirus to protect your web browsing
 // by inspecting ALL your web traffic, then leave at 1.
 // [ERROR] MOZILLA_PKIX_ERROR_KEY_PINNING_FAILURE
 // By default, pinning enforcement is not applied if a user-installed
@@ -254,22 +292,28 @@ user_pref("security.pki.crlite_mode", 2);
 // [1] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/16206
 // [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1168603
 // [3] https://github.com/yokoffing/Betterfox/issues/53#issuecomment-1035554783
-user_pref("security.cert_pinning.enforcement_level", 2);
+//user_pref("security.cert_pinning.enforcement_level", 2);

-// PREF: disable Enterprise Root Certificates of the operating system
-//user_pref("security.enterprise_roots.enabled", false); // DEFAULT
+// PREF: do not trust installed third-party root certificates [FF120+]
+// Disable Enterprise Root Certificates of the operating system. 
+// For users trying to get intranet sites on managed networks,
+// or who have security software configured to analyze web traffic.
+// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1848815
+//user_pref("security.enterprise_roots.enabled", false);
    //user_pref("security.certerrors.mitm.auto_enable_enterprise_roots", false);

-// PREF: disable Microsoft Family Safety [WINDOWS 8-10]
-// [1] https://wiki.mozilla.org/QA/Windows_Child_Mode
-//user_pref("security.family_safety.mode", 0);
+// PREF: disable content analysis by DLP (Data Loss Prevention) agents [FF124+]
+// DLP agents are background processes on managed computers that allow enterprises to monitor locally running
+// applications for data exfiltration events, which they can allow/block based on customer defined DLP policies.
+// [1] https://github.com/chromium/content_analysis_sdk
+//user_pref("browser.contentanalysis.default_allow", false); // DEFAULT

 /****************************************************************************
 * SECTION: SSL (Secure Sockets Layer) / TLS (Transport Layer Security)    *
 ****************************************************************************/

 // PREF: display warning on the padlock for "broken security"
-// Bug: warning padlock not indicated for subresources on a secure page! [2]
+// [NOTE] Warning padlock not indicated for subresources on a secure page! [2]
 // [1] https://wiki.mozilla.org/Security:Renegotiation
 // [2] https://bugzilla.mozilla.org/1353705
 user_pref("security.ssl.treat_unsafe_negotiation_as_broken", true);
@@ -304,26 +348,7 @@ user_pref("browser.xul.error_pages.expert_bad_cert", true);
 user_pref("security.tls.enable_0rtt_data", false);

 /****************************************************************************
- * SECTION: FONTS                                                          *
-****************************************************************************/
-
-// PREF: disable rendering of SVG OpenType fonts
-// [1] https://github.com/arkenfox/user.js/issues/1529
-//user_pref("gfx.font_rendering.opentype_svg.enabled", false);
-
-// PREF: limit font visibility (Windows, Mac, some Linux) [FF94+]
-// Uses hardcoded lists with two parts: kBaseFonts + kLangPackFonts [1], bundled fonts are auto-allowed
-// In Normal windows: uses the first applicable: RFP (4506) over TP over Standard
-// In Private Browsing windows: uses the most restrictive between normal and private
-// 1=only base system fonts, 2=also fonts from optional language packs, 3=also user-installed fonts
-// [1] https://searchfox.org/mozilla-central/search?path=StandardFonts*.inc
-//user_pref("layout.css.font-visibility.resistFingerprinting", 1); // DEFAULT
-    //user_pref("layout.css.font-visibility.trackingprotection", 1); // Normal Browsing windows with tracking protection enabled
-    //user_pref("layout.css.font-visibility.private", 1); // Private Browsing windows
-        //user_pref("layout.css.font-visibility.standard", 1); // Normal Browsing windows with tracking protection disabled(?)
-
-/****************************************************************************
- * SECTION: FINGERPRINT PROTECTION (RFP)                                    *
+ * SECTION: FINGERPRINT PROTECTION (FPP)                                    *
 ****************************************************************************/

 // PREF: enable FingerPrint Protection (FPP) [WiP]
@@ -336,7 +361,7 @@ user_pref("security.tls.enable_0rtt_data", false);
 * SECTION: RESIST FINGERPRINTING (RFP)                                     *
 ****************************************************************************/

-// PREF: enable advanced fingerprinting protection 
+// PREF: enable advanced fingerprinting protection (RFP)
 // [WARNING] Leave disabled unless you're okay with all the drawbacks
 // [1] https://librewolf.net/docs/faq/#what-are-the-most-common-downsides-of-rfp-resist-fingerprinting
 // [2] https://www.reddit.com/r/firefox/comments/wuqpgi/comment/ile3whx/?context=3
@@ -394,9 +419,10 @@ user_pref("browser.sessionstore.interval", 60000); // 1 minute; default=15000 (1
 // [1] https://bugzilla.mozilla.org/603903
 //user_pref("toolkit.winRegisterApplicationRestart", false);

-// PREF: disable fetching and permanently storing favicons for Windows .URL shortcuts created by drag and drop
+// PREF: disable favicons in shortcuts [WINDOWS]
+// Fetches and stores favicons for Windows .URL shortcuts created by drag and drop
 // [NOTE] .URL shortcut files will be created with a generic icon.
-// Favicons are stored as .ico files in $profile_dir\shortcutCache.
+// Favicons are stored as .ico files in profile_dir\shortcutCache.
 //user_pref("browser.shell.shortcutFavicons", false);

 // PREF: remove temp files opened with an external application
@@ -449,6 +475,7 @@ user_pref("privacy.history.custom", true);
 // Clearing "offlineApps" may affect login items after browser restart [2].
 // [1] https://en.wikipedia.org/wiki/Basic_access_authentication
 // [2] https://github.com/arkenfox/user.js/issues/1291
+// [3] https://github.com/yokoffing/Betterfox/issues/272
 //user_pref("privacy.sanitize.sanitizeOnShutdown", true);

 // Uncomment individual prefs to disable clearing on shutdown:
@@ -480,6 +507,20 @@ user_pref("privacy.history.custom", true);
 // [2] https://winaero.com/firefox-75-strips-https-and-www-from-address-bar-results/
 //user_pref("browser.urlbar.trimURLs", true); // DEFAULT

+// PREF: trim HTTPS from the URL bar [FF119+]
+// Firefox will hide https:// from the address bar, but not subdomains like www.
+// It saves some space. Betterfox already uses HTTPS-by-Default and insecure sites
+// get a padlock with a red stripe. Copying the URL still copies the scheme,
+// so it's not like we need to see https. It's not a privacy issue, so you can add to your overrides.
+// [TEST] http://www.http2demo.io/
+// [1] https://www.ghacks.net/2023/09/19/firefox-119-will-launch-with-an-important-address-bar-change/
+//user_pref("browser.urlbar.trimHttps", true);
+
+// PREF: display "Not Secure" text on HTTP sites
+// Needed with HTTPS-First Policy; not needed with HTTPS-Only Mode.
+user_pref("security.insecure_connection_text.enabled", true);
+user_pref("security.insecure_connection_text.pbmode.enabled", true);
+
 // PREF: do not show search terms in URL bar [FF110+] [FF113+]
 // Show search query instead of URL on search results pages.
 // [SETTING] Search>Search Bar>Use the address bar for search and navigation>Show search terms instead of URL...
@@ -501,15 +542,14 @@ user_pref("browser.search.separatePrivateDefault.ui.enabled", true);
 // [1] https://reddit.com/r/firefox/comments/xkzswb/adding_firefox_search_engine_manually/
 user_pref("browser.urlbar.update2.engineAliasRefresh", true); // HIDDEN

-// PREF: disable live search engine suggestions (Google, Bing, etc.)
+// PREF: disable live search suggestions (Google, Bing, etc.)
 // [WARNING] Search engines keylog every character you type from the URL bar.
+// Override these if you trust and use a privacy respecting search engine.
+// [NOTE] Both prefs must be true for live search to work in the location bar.
+// [SETTING] Search>Provide search suggestions > Show search suggestions in address bar result
 user_pref("browser.search.suggest.enabled", false);
    //user_pref("browser.search.suggest.enabled.private", false); // DEFAULT
-
-// PREF: disable location bar leaking single words to a DNS provider after searching
-// 0=never resolve single words, 1=heuristic (default), 2=always resolve
-// [1] https://bugzilla.mozilla.org/1642623
-//user_pref("browser.urlbar.dnsResolveSingleWordsAfterSearch", 0); // DEFAULT FF104+
+user_pref("browser.urlbar.suggest.searches", false);

 // PREF: disable Firefox Suggest
 // [1] https://github.com/arkenfox/user.js/issues/1257
@@ -536,20 +576,14 @@ user_pref("browser.formfill.enable", false);
 // and is a security risk (e.g. common typos & malicious sites set up to exploit this).
 //user_pref("browser.fixup.alternate.enabled", false); // [DEFAULT FF104+]

-// PREF: display "Not Secure" text on HTTP sites
-// Needed with HTTPS-First Policy; not needed with HTTPS-Only Mode.
-user_pref("security.insecure_connection_text.enabled", true);
-user_pref("security.insecure_connection_text.pbmode.enabled", true);
-//user_pref("security.insecure_connection_icon.enabled", true); // DEFAULT
-//user_pref("security.insecure_connection_icon.pbmode.enabled", true); // DEFAULT
-
-// PREF: Disable location bar autofill
+// PREF: disable location bar autofill
 // https://support.mozilla.org/en-US/kb/address-bar-autocomplete-firefox#w_url-autocomplete
 //user_pref("browser.urlbar.autoFill", false);

-// PREF: Enforce Punycode for Internationalized Domain Names to eliminate possible spoofing
+// PREF: enforce Punycode for Internationalized Domain Names to eliminate possible spoofing
 // Firefox has some protections, but it is better to be safe than sorry.
 // [!] Might be undesirable for non-latin alphabet users since legitimate IDN's are also punycoded.
+// [EXAMPLE] https://www.techspot.com/news/100555-malvertising-attack-uses-punycode-character-spread-malware-through.html
 // [TEST] https://www.xn--80ak6aa92e.com/ (www.apple.com)
 // [1] https://wiki.mozilla.org/IDN_Display_Algorithm
 // [2] https://en.wikipedia.org/wiki/IDN_homograph_attack
@@ -581,6 +615,7 @@ user_pref("network.IDN_show_punycode", true);
 // [6] https://blog.chromium.org/2023/08/towards-https-by-default.html
 user_pref("dom.security.https_first", true);
 //user_pref("dom.security.https_first_pbm", true); // DEFAULT
+user_pref("dom.security.https_first_schemeless", true); // [FF120+]

 /******************************************************************************
 * SECTION: HTTPS-ONLY MODE                              *
@@ -631,32 +666,38 @@ user_pref("dom.security.https_only_mode_error_page_user_suggestions", true);
 * SECTION: DNS-over-HTTPS                                                    *
 ******************************************************************************/

-// PREF: DNS-over-HTTPS (DoH) mode
-// Mozilla uses Cloudfare by default. NextDNS is also an option.
-// You can set this to 0 if you are already using secure DNS for
-// your entire network (e.g. OS-level, router-level).
-// [NOTE] Mode 3 has site-exceptions with a nice UI on the error page
+// PREF: DNS-over-HTTPS (DoH) implementation
+// [NOTE] Mode 3 has site exceptions with a nice UI on the error page.
+// [SETTINGS] Privacy & Security > DNS over HTTPS > Enable secure DNS using:
+// [NOTE] Mode 3 has site-exceptions with a nice UI on the error page.
 // [1] https://hacks.mozilla.org/2018/05/a-cartoon-intro-to-dns-over-https/
-// [2] https://www.internetsociety.org/blog/2018/12/dns-privacy-support-in-mozilla-firefox/
-// 0=disable DoH (default)
-// 2=use DoH; fall back to native DNS if necessary
-// 3=only use DoH; do not fall back to native DNS
-// 5=explicitly disable DoH
+// [2] https://support.mozilla.org/en-US/kb/dns-over-https#w_protection-levels-explained
+// 0= Default Protection: Firefox decides when to use secure DNS (default)
+// 2= Increased Protection: use DoH and fall back to native DNS if necessary
+// 3= Max Protection: only use DoH; do not fall back to native DNS
+// 5= Off: disable DoH
 //user_pref("network.trr.mode", 0); // DEFAULT

+// PREF: lower max attempts to use DoH
+// If DNS requests take too long, FF will fallback to your default DNS much quicker.
+//user_pref("network.trr.max-fails", 5); // default=15
+
 // PREF: display fallback warning page [FF115+]
-// Show a warning checkbox UI in modes 0 + 2.
+// Show a warning checkbox UI in modes 0 or 2 above.
 //user_pref("network.trr_ui.show_fallback_warning_option", false); // DEFAULT
 //user_pref("network.trr.display_fallback_warning", false); // DEFAULT

-// PREF: fallback to native DNS upon network errors
-//user_pref("network.trr.strict_native_fallback", false); // DEFAULT
-
 // PREF: DoH resolver
 // [1] https://github.com/uBlockOrigin/uBlock-issues/issues/1710
 //user_pref("network.trr.uri", "https://xxxx/dns-query");
    //user_pref("network.trr.custom_uri", "https://xxxx/dns-query");

+// PREF: set DoH bootstrap address [FF89+]
+// Firefox uses the system DNS to initially resolve the IP address of your DoH server.
+// When set to a valid, working value that matches your "network.trr.uri" Firefox
+// won't use the system DNS. If the IP doesn't match then DoH won't work
+//user_pref("network.trr.bootstrapAddr", "10.0.0.1"); // [HIDDEN PREF]
+
 // PREF: adjust providers
 //user_pref("network.trr.resolvers", '[{ "name": "Cloudflare", "url": "https://mozilla.cloudflare-dns.com/dns-query" },{ "name": "SecureDNS", "url": "https://doh.securedns.eu/dns-query" },{ "name": "AppliedPrivacy", "url": "https://doh.appliedprivacy.net/query" },{ "name": "Digitale Gesellschaft (CH)", "url": "https://dns.digitale-gesellschaft.ch/dns-query" }, { "name": "Quad9", "url": "https://dns.quad9.net/dns-query" }]');

@@ -678,7 +719,6 @@ user_pref("dom.security.https_only_mode_error_page_user_suggestions", true);

 // PREF: assorted options
 //user_pref("network.trr.confirmationNS", "skip"); // skip undesired DOH test connection
-//user_pref("network.dns.skipTRR-when-parental-control-enabled", false); // bypass parental controls when using DoH
 //user_pref("network.trr.skip-AAAA-when-not-supported", true); // DEFAULT; If Firefox detects that your system does not have IPv6 connectivity, it will not request IPv6 addresses from the DoH server
 //user_pref("network.trr.clear-cache-on-pref-change", true); // DEFAULT; DNS+TRR cache will be cleared when a relevant TRR pref changes
 //user_pref("network.trr.wait-for-portal", false); // DEFAULT; set this to true to tell Firefox to wait for the captive portal detection before TRR is used
@@ -687,29 +727,28 @@ user_pref("dom.security.https_only_mode_error_page_user_suggestions", true);
 //user_pref("network.trr.excluded-domains", ""); // DEFAULT; comma-separated list of domain names to be resolved using the native resolver instead of TRR. This pref can be used to make /etc/hosts works with DNS over HTTPS in Firefox.
 //user_pref("network.trr.builtin-excluded-domains", "localhost,local"); // DEFAULT; comma-separated list of domain names to be resolved using the native resolver instead of TRR

-// PREF: Oblivious HTTP (OHTTP)
-// Enable DNS over Oblivious HTTP.
+// PREF: Oblivious HTTP (OHTTP) (DoOH)
+// [Oct 2023] Cloudflare are the only ones running an OHTTP server and resolver,
+// but there needs to be a relay, and it's not the cheapest thing to run.
 // [1] https://blog.cloudflare.com/stronger-than-a-promise-proving-oblivious-http-privacy-properties/
 // [2] https://www.ietf.org/archive/id/draft-thomson-http-oblivious-01.html
 // [3] https://old.reddit.com/r/dnscrypt/comments/11ukt43/what_is_dns_over_oblivious_http_targetrelay/ji1nl0m/?context=3
 //user_pref("network.trr.mode", 2);
 //user_pref("network.trr.ohttp.config_uri", "https://dooh.cloudflare-dns.com/.well-known/doohconfig");
 //user_pref("network.trr.ohttp.uri", "https://dooh.cloudflare-dns.com/dns-query");
-//user_pref("network.trr.ohttp.relay_uri", "https://dooh.waterfox.net/");
+//user_pref("network.trr.ohttp.relay_uri", ""); // custom
 //user_pref("network.trr.use_ohttp", true);

-/******************************************************************************
- * SECTION: ESNI / ECH                            *
-******************************************************************************/
-
-// PREF: enable Encrypted Client Hello (ECH)
+// PREF: Encrypted Client Hello (ECH) [FF118]
 // [NOTE] HTTP is already isolated with network partitioning.
-// [1] https://blog.cloudflare.com/encrypted-client-hello/
-// [2] https://www.youtube.com/watch?v=tfyrVYqXQRE
-// [3] https://groups.google.com/a/chromium.org/g/blink-dev/c/KrPqrd-pO2M/m/Yoe0AG7JAgAJ
-//user_pref("network.dns.echconfig.enabled", true);
-//user_pref("network.dns.http3_echconfig.enabled", true);
-    //user_pref("network.dns.use_https_rr_as_altsvc", true); // DEFAULT
+// [TEST] https://www.cloudflare.com/ssl/encrypted-sni
+// [1] https://support.mozilla.org/en-US/kb/understand-encrypted-client-hello
+// [2] https://blog.mozilla.org/en/products/firefox/encrypted-hello/
+// [3] https://support.mozilla.org/en-US/kb/faq-encrypted-client-hello#w_can-i-use-ech-alongside-other-security-tools-like-vpnsre
+// [4] https://wiki.mozilla.org/Security/Encrypted_Client_Hello#Preferences
+//user_pref("network.dns.echconfig.enabled", true); // use ECH for TLS Connections
+//user_pref("network.dns.http3_echconfig.enabled", true); // use ECH for QUIC connections
+//user_pref("network.dns.echconfig.fallback_to_origin_when_all_failed", false); // fallback to non-ECH without an authenticated downgrade signal

 /******************************************************************************
 * SECTION: PROXY / SOCKS / IPv6                           *
@@ -737,11 +776,11 @@ user_pref("dom.security.https_only_mode_error_page_user_suggestions", true);
 // PREF: disable GIO as a potential proxy bypass vector
 // Gvfs/GIO has a set of supported protocols like obex, network,
 // archive, computer, dav, cdda, gphoto2, trash, etc.
-// By default, only sftp is accepted (FF87+).
+// From FF87-117, by default only sftp was accepted.
 // [1] https://bugzilla.mozilla.org/1433507
 // [2] https://en.wikipedia.org/wiki/GVfs
 // [3] https://en.wikipedia.org/wiki/GIO_(software)
-//user_pref("network.gio.supported-protocols", ""); // [HIDDEN PREF]
+//user_pref("network.gio.supported-protocols", ""); // [HIDDEN PREF] [DEFAULT FF118+]

 // PREF: disable check for proxies
 //user_pref("network.notify.checkForProxies", false);
@@ -752,18 +791,35 @@ user_pref("dom.security.https_only_mode_error_page_user_suggestions", true);

 // PREF: disable password manager
 // [NOTE] This does not clear any passwords already saved.
-user_pref("signon.rememberSignons", false); // Privacy & Security>Logins and Passwords>Ask to save logins and passwords for websites
-//user_pref("signon.rememberSignons.visibilityToggle", false);
-//user_pref("signon.schemeUpgrades", false);
-//user_pref("signon.showAutoCompleteFooter", false);
-//user_pref("signon.autologin.proxy", false);
-    //user_pref("signon.debug", false);
+// [SETTING] Privacy & Security>Logins and Passwords>Ask to save logins and passwords for websites
+//user_pref("signon.rememberSignons", false);
+    //user_pref("signon.rememberSignons.visibilityToggle", true); // DEFAULT
+    //user_pref("signon.schemeUpgrades", true); // DEFAULT
+    //user_pref("signon.showAutoCompleteFooter", true); // DEFAULT
+    //user_pref("signon.autologin.proxy", false); // DEFAULT
+
+// PREF: disable auto-filling username & password form fields
+// Can leak in cross-site forms and be spoofed.
+// [NOTE] Username and password is still available when you enter the field.
+// [SETTING] Privacy & Security>Logins and Passwords>Autofill logins and passwords
+//user_pref("signon.autofillForms", false);
+//user_pref("signon.autofillForms.autocompleteOff", true); // DEFAULT
+
+// PREF: disable formless login capture for Password Manager [FF51+]
+// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1166947
+user_pref("signon.formlessCapture.enabled", false);
+
+// PREF: disable capturing credentials in private browsing
+user_pref("signon.privateBrowsingCapture.enabled", false);
+
+// PREF: disable autofilling saved passwords on HTTP pages
+// [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1217152,1319119
+//user_pref("signon.autofillForms.http", false); // DEFAULT

 // PREF: disable Firefox built-in password generator
 // Create passwords with random characters and numbers.
 // [NOTE] Doesn't work with Lockwise disabled!
 // [1] https://wiki.mozilla.org/Toolkit:Password_Manager/Password_Generation
-//user_pref("signon.generation.available", false);
 //user_pref("signon.generation.enabled", false);

 // PREF: disable Firefox Lockwise (about:logins)
@@ -775,41 +831,29 @@ user_pref("signon.rememberSignons", false); // Privacy & Security>Logins and Pas
 //user_pref("browser.contentblocking.report.lockwise.enabled", false);
    //user_pref("browser.contentblocking.report.lockwise.how_it_works.url", "");

-// PREF: disable formless login capture
-// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1166947
-//user_pref("signon.formlessCapture.enabled", false);
-
-// PREF: disable capturing credentials in private browsing
-//user_pref("signon.privateBrowsingCapture.enabled", false);
-
-// PREF: disable auto-filling username & password form fields
-// Can leak in cross-site forms and be spoofed.
-// [NOTE] Username and password is still available when you enter the field.
-//user_pref("signon.autofillForms", false);
-//user_pref("signon.autofillForms.autocompleteOff", true);
-//user_pref("signon.showAutoCompleteOrigins", false);
-
-// PREF: disable autofilling saved passwords on HTTP pages
-// [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1217152,1319119
-//user_pref("signon.autofillForms.http", false); // DEFAULT
-
-// PREF: disable Firefox import password from signons.sqlite file
-// [1] https://support.mozilla.org/en-US/questions/1020818
-//user_pref("signon.management.page.fileImport.enabled", false);
-//user_pref("signon.importedFromSqlite", false);
-    //user_pref("signon.recipes.path", "");
+// PREF: disable Firefox Relay
+// Privacy & Security > Passwords > Suggest Firefox Relay email masks to protect your email address
+//user_pref("signon.firefoxRelay.feature", "");

 // PREF: disable websites autocomplete
 // Don't let sites dictate use of saved logins and passwords.
 //user_pref("signon.storeWhenAutocompleteOff", false);

+// PREF: limit (or disable) HTTP authentication credentials dialogs triggered by sub-resources [FF41+]
+// Hardens against potential credentials phishing.
+// 0=don't allow sub-resources to open HTTP authentication credentials dialogs
+// 1=don't allow cross-origin sub-resources to open HTTP authentication credentials dialogs
+// 2=allow sub-resources to open HTTP authentication credentials dialogs (default)
+// [1] https://www.fxsitecompat.com/en-CA/docs/2015/http-auth-dialog-can-no-longer-be-triggered-by-cross-origin-resources/
+user_pref("network.auth.subresource-http-auth-allow", 1);
+
 // PREF: prevent password truncation when submitting form data
 // [1] https://www.ghacks.net/2020/05/18/firefox-77-wont-truncate-text-exceeding-max-length-to-address-password-pasting-issues/
 user_pref("editor.truncate_user_pastes", false);

 // PREF: reveal password icon
 //user_pref("layout.forms.reveal-password-context-menu.enabled", true); // right-click menu option; DEFAULT [FF112]
-// [DO NOT TOUCH] Icons will double-up if the website implements it natively:
+// [DO NOT TOUCH] Icons will double-up if the website implements it natively.
 //user_pref("layout.forms.reveal-password-button.enabled", true); // always show icon in password fields

 /****************************************************************************
@@ -820,8 +864,8 @@ user_pref("editor.truncate_user_pastes", false);
 // [NOTE] stored data is not secure (uses a JSON file)
 // [1] https://wiki.mozilla.org/Firefox/Features/Form_Autofill
 // [2] https://www.ghacks.net/2017/05/24/firefoxs-new-form-autofill-is-awesome
-user_pref("extensions.formautofill.addresses.enabled", false);
-user_pref("extensions.formautofill.creditCards.enabled", false);
+//user_pref("extensions.formautofill.addresses.enabled", false);
+//user_pref("extensions.formautofill.creditCards.enabled", false);

 /******************************************************************************
 * SECTION: MIXED CONTENT + CROSS-SITE                                       *
@@ -829,14 +873,6 @@ user_pref("extensions.formautofill.creditCards.enabled", false);

 // [TEST] https://mixed-script.badssl.com/

-// PREF: limit (or disable) HTTP authentication credentials dialogs triggered by sub-resources
-// Hardens against potential credentials phishing.
-// 0=don't allow sub-resources to open HTTP authentication credentials dialogs
-// 1=don't allow cross-origin sub-resources to open HTTP authentication credentials dialogs
-// 2=allow sub-resources to open HTTP authentication credentials dialogs (default)
-// [1] https://www.fxsitecompat.com/en-CA/docs/2015/http-auth-dialog-can-no-longer-be-triggered-by-cross-origin-resources/
-user_pref("network.auth.subresource-http-auth-allow", 1);
-
 // PREF: disable automatic authentication on Microsoft sites [WINDOWS]
 // [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1695693,1719301
 //user_pref("network.http.windows-sso.enabled", false);
@@ -854,7 +890,12 @@ user_pref("network.auth.subresource-http-auth-allow", 1);
 user_pref("security.mixed_content.block_display_content", true);

 // PREF: upgrade passive content to use HTTPS on secure pages
-//user_pref("security.mixed_content.upgrade_display_content", true); // DEFAULT [FF 110]
+// [NOTE] You can remove if using HTTPS-Only Mode.
+user_pref("security.mixed_content.upgrade_display_content", true);
+// [FF119+]:
+//user_pref("security.mixed_content.upgrade_display_content.audio", true); // DEFAULT
+user_pref("security.mixed_content.upgrade_display_content.image", true);
+//user_pref("security.mixed_content.upgrade_display_content.video", true); // DEFAULT

 // PREF: block insecure downloads from secure sites
 // [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1660952
@@ -864,17 +905,18 @@ user_pref("security.mixed_content.block_display_content", true);
 // https://www.reddit.com/r/uBlockOrigin/comments/mulc86/firefox_88_now_supports_javascript_in_pdf_files/
 user_pref("pdfjs.enableScripting", false);

+// PREF: limit allowed extension directories
+// The pref value represents the sum: e.g. 5 would be profile and application directories.
+// [WARNING] Breaks usage of files which are installed outside allowed directories.
+// [1] https://archive.is/DYjAM
+// 1=profile, 2=user, 4=application, 8=system, 16=temporary, 31=all
+//user_pref("extensions.enabledScopes", 5); // [HIDDEN PREF] DEFAULT
+  // user_pref("extensions.autoDisableScopes", 15); // [DEFAULT: 15]
+
 // PREF: disable bypassing 3rd party extension install prompts
 // [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1659530,1681331
 user_pref("extensions.postDownloadThirdPartyPrompt", false);

-// PREF: disable permissions delegation [deprecated in FF118]
-// Currently applies to cross-origin geolocation, camera, mic and screen-sharing
-// permissions, and fullscreen requests. Disabling delegation means any prompts
-// for these will show/use their correct 3rd party origin.
-// [1] https://groups.google.com/forum/#!topic/mozilla.dev.platform/BdFOMAuCGW8/discussion
-user_pref("permissions.delegation.enabled", false);
-
 // PREF: disable middle click on new tab button opening URLs or searches using clipboard [FF115+]
 // Enable if you're using LINUX.
 //user_pref("browser.tabs.searchclipboardfor.middleclick", false); // DEFAULT WINDOWS macOS
@@ -928,6 +970,8 @@ user_pref("permissions.delegation.enabled", false);
 // This includes images, links, and embedded social media on pages.
 // This may cause breakage where third party images and videos
 // may not load, and with authentication on sites such as banks.
+// [NOTE] Most navigational "tracking" is harmless (i.e., the same for everyone)
+// and effectively blocking cross-site referers just breaks a lot of sites.
 // 0=always send referrer (default)
 // 1=send across subdomains [from a.example.com to b.example.com] (breaks Instagram embeds, Bing login, MangaPill, and some streaming sites)
 // 2=full host name must match [from c.example.com to c.example.com] (breaks Vimeo, iCloud, Instagram, Amazon book previews, and more)
@@ -941,6 +985,7 @@ user_pref("permissions.delegation.enabled", false);
 // 0=send full URI (default), 1=scheme+host+port+path, 2=scheme+host+port
 // [1] https://blog.mozilla.org/security/2021/03/22/firefox-87-trims-http-referrers-by-default-to-protect-user-privacy/
 // [2] https://web.dev/referrer-best-practices/
+// [3] https://www.reddit.com/r/waterfox/comments/16px8yq/comment/k29r6bu/?context=3
 user_pref("network.http.referer.XOriginTrimmingPolicy", 2);

 /******************************************************************************
@@ -1111,24 +1156,32 @@ user_pref("browser.safebrowsing.downloads.remote.enabled", false);
 // [3] https://www.reddit.com/r/firefox/comments/p8g5zd/why_does_disabling_accessibility_services_improve
 // [4] https://winaero.com/firefox-has-accessibility-service-memory-leak-you-should-disable-it/
 // [5] https://www.ghacks.net/2022/12/26/firefoxs-accessibility-performance-is-getting-a-huge-boost/
-user_pref("accessibility.force_disabled", 1);
+//user_pref("accessibility.force_disabled", 1);
    //user_pref("devtools.accessibility.enabled", false);

-// PREF: disable Firefox accounts
+// PREF: disable Firefox Sync
 // [ALTERNATIVE] Use xBrowserSync [1]
 // [1] https://addons.mozilla.org/en-US/firefox/addon/xbs
 // [2] https://github.com/arkenfox/user.js/issues/1175
-user_pref("identity.fxaccounts.enabled", false);
+//user_pref("identity.fxaccounts.enabled", false);
+    //user_pref("identity.fxaccounts.autoconfig.uri", "");

 // PREF: disable Firefox View [FF106+]
 // [1] https://support.mozilla.org/en-US/kb/how-set-tab-pickup-firefox-view#w_what-is-firefox-view
-user_pref("browser.tabs.firefox-view", false);
+//user_pref("browser.tabs.firefox-view", false);
+//user_pref("browser.tabs.firefox-view-next", false); // [FF119+]
+//user_pref("browser.tabs.firefox-view-newIcon", false); // [FF119+]
+    //user_pref("browser.firefox-view.search.enabled", false); // [FF122+]
+    //user_pref("browser.firefox-view.virtual-list.enabled", false); // [FF122+]
+
+// PREF: disable the Firefox View tour from popping up
+//user_pref("browser.firefox-view.feature-tour", "{\"screen\":\"\",\"complete\":true}");

 // PREF: disable Push Notifications API [FF44+]
+// [WHY] Website "push" requires subscription, and the API is required for CRLite.
 // Push is an API that allows websites to send you (subscribed) messages even when the site
 // isn't loaded, by pushing messages to your userAgentID through Mozilla's Push Server.
 // You shouldn't need to disable this.
-// [WHY] Push requires subscription.
 // [NOTE] To remove all subscriptions, reset "dom.push.userAgentID"
 // [1] https://support.mozilla.org/en-US/kb/push-notifications-firefox
 // [2] https://developer.mozilla.org/en-US/docs/Web/API/Push_API
@@ -1214,63 +1267,81 @@ user_pref("webchannel.allowObject.urlWhitelist", "");
 /******************************************************************************
 * SECTION: TELEMETRY                                                   *
 ******************************************************************************/
-// Disable all the various Mozilla telemetry, studies, reports, etc.

-// PREF: Telemetry
+// PREF: disable new data submission [FF41+]
+// If disabled, no policy is shown or upload takes place, ever.
+// [1] https://bugzilla.mozilla.org/1195552
+user_pref("datareporting.policy.dataSubmissionEnabled", false);
+
+// PREF: disable Health Reports
+// [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to send technical data.
+user_pref("datareporting.healthreport.uploadEnabled", false);
+
+// PREF: disable telemetry
+// - If "unified" is false then "enabled" controls the telemetry module
+// - If "unified" is true then "enabled" only controls whether to record extended data
+// [NOTE] "toolkit.telemetry.enabled" is now LOCKED to reflect prerelease (true) or release builds (false) [2]
+// [1] https://firefox-source-docs.mozilla.org/toolkit/components/telemetry/telemetry/internals/preferences.html
+// [2] https://medium.com/georg-fritzsche/data-preference-changes-in-firefox-58-2d5df9c428b5 ***/
 user_pref("toolkit.telemetry.unified", false);
-user_pref("toolkit.telemetry.enabled", false);
+user_pref("toolkit.telemetry.enabled", false); // see [NOTE]
 user_pref("toolkit.telemetry.server", "data:,");
 user_pref("toolkit.telemetry.archive.enabled", false);
 user_pref("toolkit.telemetry.newProfilePing.enabled", false);
 user_pref("toolkit.telemetry.shutdownPingSender.enabled", false);
 user_pref("toolkit.telemetry.updatePing.enabled", false);
-user_pref("toolkit.telemetry.bhrPing.enabled", false);
+user_pref("toolkit.telemetry.bhrPing.enabled", false); // [FF57+] Background Hang Reporter
 user_pref("toolkit.telemetry.firstShutdownPing.enabled", false);
-user_pref("toolkit.telemetry.dap_enabled", false); // DEFAULT [FF108]
+//user_pref("toolkit.telemetry.dap_enabled", false); // DEFAULT [FF108]

-// PREF: Check bundled omni JARs for corruption
-// [1] https://github.com/ghostery/user-agent-desktop/issues/141
-// [2] https://github.com/arkenfox/user.js/issues/791
-//user_pref("corroborator.enabled", false);
+// PREF: disable Telemetry Coverage
+// [1] https://blog.mozilla.org/data/2018/08/20/effectively-measuring-search-in-firefox/
+user_pref("toolkit.telemetry.coverage.opt-out", true); // [HIDDEN PREF]
+user_pref("toolkit.coverage.opt-out", true); // [FF64+] [HIDDEN PREF]
+user_pref("toolkit.coverage.endpoint.base", "");

-// PREF: Telemetry Coverage
-user_pref("toolkit.telemetry.coverage.opt-out", true);
-user_pref("toolkit.coverage.opt-out", true);
-      //user_pref("toolkit.coverage.endpoint.base", "");
+// PREF: disable Firefox Home (Activity Stream) telemetry 
+user_pref("browser.newtabpage.activity-stream.feeds.telemetry", false);
+user_pref("browser.newtabpage.activity-stream.telemetry", false);

-// PREF: Health Reports
-// [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to send technical data.
-user_pref("datareporting.healthreport.uploadEnabled", false);
+/******************************************************************************
+ * SECTION: EXPERIMENTS                                                      *
+******************************************************************************/

-// PREF: new data submission, master kill switch
-// If disabled, no policy is shown or upload takes place, ever
-// [1] https://bugzilla.mozilla.org/1195552
-user_pref("datareporting.policy.dataSubmissionEnabled", false);
-
-// PREF: Studies
+// PREF: disable Studies
 // [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to install and run studies
 user_pref("app.shield.optoutstudies.enabled", false);

-// Personalized Extension Recommendations in about:addons and AMO
-// [NOTE] This pref has no effect when Health Reports are disabled.
-// [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to make personalized extension recommendations
-user_pref("browser.discovery.enabled", false);
+// PREF: disable Normandy/Shield [FF60+]
+// Shield is an telemetry system (including Heartbeat) that can also push and test "recipes".
+// [1] https://mozilla.github.io/normandy/
+user_pref("app.normandy.enabled", false);
+user_pref("app.normandy.api_url", "");
+
+/******************************************************************************
+ * SECTION: CRASH REPORTS                                                    *
+******************************************************************************/

 // PREF: disable crash reports
 user_pref("breakpad.reportURL", "");
 user_pref("browser.tabs.crashReporting.sendReport", false);
    //user_pref("browser.crashReports.unsubmittedCheck.enabled", false); // DEFAULT
+
 // PREF: enforce no submission of backlogged crash reports
+// [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to send backlogged crash reports
 user_pref("browser.crashReports.unsubmittedCheck.autoSubmit2", false);

-// PREF: Captive Portal detection
-// [WARNING] Do NOT use for mobile devices. May NOT be able to use Firefox on public wifi (hotels, coffee shops, etc).
+/******************************************************************************
+ * SECTION: DETECTION                                                        *
+******************************************************************************/
+
+// PREF: disable Captive Portal detection
 // [1] https://www.eff.org/deeplinks/2017/08/how-captive-portals-interfere-wireless-security-and-privacy
 // [2] https://wiki.mozilla.org/Necko/CaptivePortal
 user_pref("captivedetect.canonicalURL", "");
 user_pref("network.captive-portal-service.enabled", false);

-// PREF: Network Connectivity checks
+// PREF: disable Network Connectivity checks
 // [WARNING] Do NOT use for mobile devices. May NOT be able to use Firefox on public wifi (hotels, coffee shops, etc).
 // [1] https://bugzilla.mozilla.org/1460537
 user_pref("network.connectivity-service.enabled", false);
@@ -1284,18 +1355,10 @@ user_pref("network.connectivity-service.enabled", false);
 // PREF: "report extensions for abuse"
 //user_pref("extensions.abuseReport.enabled", false);

-// PREF: Normandy/Shield [extensions tracking]
-// Shield is an telemetry system (including Heartbeat) that can also push and test "recipes"
-user_pref("app.normandy.enabled", false);
-user_pref("app.normandy.api_url", "");
-
-// PREF: PingCentre telemetry (used in several System Add-ons)
-// Currently blocked by 'datareporting.healthreport.uploadEnabled'
-user_pref("browser.ping-centre.telemetry", false);
-
-// PREF: disable Firefox Home (Activity Stream) telemetry 
-user_pref("browser.newtabpage.activity-stream.telemetry", false);
-user_pref("browser.newtabpage.activity-stream.feeds.telemetry", false);
+// PREF: SERP Telemetry [FF125+]
+// [1] https://blog.mozilla.org/en/products/firefox/firefox-search-update/
+//user_pref("browser.search.serpEventTelemetry.enabled", false); // [removed in FF128?]
+//user_pref("browser.search.serpEventTelemetryCategorization.enabled", false);

 // PREF: assorted telemetry
 // [NOTE] Shouldn't be needed for user.js, but browser forks
@@ -1311,3 +1374,5 @@ user_pref("browser.newtabpage.activity-stream.feeds.telemetry", false);
 //user_pref("signon.recipes.remoteRecipes.enabled", false);
 //user_pref("security.identitypopup.recordEventTelemetry", false); // ESR only; removed FF116+ [1]
 // [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1837979
+//user_pref("privacy.trackingprotection.emailtracking.data_collection.enabled", false);
+//user_pref("messaging-system.askForFeedback", true); // DEFAULT [FF120+]
@@ -1,43 +1,65 @@
+
 /****************************************************************************************
 * Smoothfox                                                                            *
 * "Faber est suae quisque fortunae"                                                    *
 * priority: better scrolling                                                           *
- * version: July 2023                                                                   *
+ * version: 126                                                                         *
 * url: https://github.com/yokoffing/Betterfox                                          *
 ***************************************************************************************/

-/****************************************************************************************
- * OPTION 1: INSTANT SCROLLING (SIMPLE ADJUSTMENT)                                      *
-****************************************************************************************/
-// recommended for 60hz+ displays
-user_pref("apz.overscroll.enabled", true); // not DEFAULT on Linux
-user_pref("general.smoothScroll", true); // DEFAULT
-user_pref("mousewheel.default.delta_multiplier_y", 275); // 250-400; adjust this number to your liking
+// Use only one option at a time!
+// Reset prefs if you decide to use different option.

 /****************************************************************************************
- * OPTION 2: SMOOTH SCROLLING                                                           *
+ * OPTION: SHARPEN SCROLLING                                                           *
+****************************************************************************************/
+// credit: https://github.com/black7375/Firefox-UI-Fix
+// only sharpen scrolling
+user_pref("apz.overscroll.enabled", true); // DEFAULT NON-LINUX
+user_pref("general.smoothScroll", true); // DEFAULT
+user_pref("mousewheel.min_line_scroll_amount", 10); // 10-40; adjust this number to your liking; default=5
+user_pref("general.smoothScroll.mouseWheel.durationMinMS", 80); // default=50
+user_pref("general.smoothScroll.currentVelocityWeighting", "0.15"); // default=.25
+user_pref("general.smoothScroll.stopDecelerationWeighting", "0.6"); // default=.4
+// Firefox Nightly only:
+// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1846935
+user_pref("general.smoothScroll.msdPhysics.enabled", false); // [FF122+ Nightly]
+
+/****************************************************************************************
+ * OPTION: INSTANT SCROLLING (SIMPLE ADJUSTMENT)                                       *
+****************************************************************************************/
+// recommended for 60hz+ displays
+user_pref("apz.overscroll.enabled", true); // DEFAULT NON-LINUX
+user_pref("general.smoothScroll", true); // DEFAULT
+user_pref("mousewheel.default.delta_multiplier_y", 275); // 250-400; adjust this number to your liking
+// Firefox Nightly only:
+// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1846935
+user_pref("general.smoothScroll.msdPhysics.enabled", false); // [FF122+ Nightly]
+
+/****************************************************************************************
+ * OPTION: SMOOTH SCROLLING                                                            *
 ****************************************************************************************/
 // recommended for 90hz+ displays
-user_pref("apz.overscroll.enabled", true); // not DEFAULT on Linux
+user_pref("apz.overscroll.enabled", true); // DEFAULT NON-LINUX
 user_pref("general.smoothScroll", true); // DEFAULT
 user_pref("general.smoothScroll.msdPhysics.enabled", true);
 user_pref("mousewheel.default.delta_multiplier_y", 300); // 250-400; adjust this number to your liking

 /****************************************************************************************
- * OPTION 3: NATURAL SMOOTH SCROLLING V3 [MODIFIED]                                     *
+ * OPTION: NATURAL SMOOTH SCROLLING V3 [MODIFIED]                                      *
 ****************************************************************************************/
+// credit: https://github.com/AveYo/fox/blob/cf56d1194f4e5958169f9cf335cd175daa48d349/Natural%20Smooth%20Scrolling%20for%20user.js
 // recommended for 120hz+ displays
 // largely matches Chrome flags: Windows Scrolling Personality and Smooth Scrolling
-// from https://github.com/AveYo/fox/blob/cf56d1194f4e5958169f9cf335cd175daa48d349/Natural%20Smooth%20Scrolling%20for%20user.js
-user_pref("apz.overscroll.enabled", true); // not DEFAULT on Linux
+user_pref("apz.overscroll.enabled", true); // DEFAULT NON-LINUX
 user_pref("general.smoothScroll", true); // DEFAULT
 user_pref("general.smoothScroll.msdPhysics.continuousMotionMaxDeltaMS", 12);
 user_pref("general.smoothScroll.msdPhysics.enabled", true);
 user_pref("general.smoothScroll.msdPhysics.motionBeginSpringConstant", 600);
 user_pref("general.smoothScroll.msdPhysics.regularSpringConstant", 650);
 user_pref("general.smoothScroll.msdPhysics.slowdownMinDeltaMS", 25);
-user_pref("general.smoothScroll.msdPhysics.slowdownMinDeltaRatio", 2.0);
+user_pref("general.smoothScroll.msdPhysics.slowdownMinDeltaRatio", 2);
 user_pref("general.smoothScroll.msdPhysics.slowdownSpringConstant", 250);
-user_pref("general.smoothScroll.currentVelocityWeighting", 1.0);
-user_pref("general.smoothScroll.stopDecelerationWeighting", 1.0);
+user_pref("general.smoothScroll.currentVelocityWeighting", 1);
+user_pref("general.smoothScroll.stopDecelerationWeighting", 1);
 user_pref("mousewheel.default.delta_multiplier_y", 300); // 250-400; adjust this number to your liking
@@ -18,29 +18,21 @@
 //user_pref("network.trr.uri", "https://dns.nextdns.io/******/Firefox"); // TRR/DoH

 /** FASTFOX ***/
-//user_pref("dom.ipc.processCount.webIsolated", 2); // process per site
-//user_pref("dom.ipc.processPrelaunch.fission.number", 1); // number of Preallocated processes
 user_pref("browser.sessionstore.restore_pinned_tabs_on_demand", true);
-user_pref("network.http.speculative-parallel-limit", 6); // DEFAULT
-user_pref("network.dns.disablePrefetch", false); // DEFAULT; using DoH / ODNS
-user_pref("network.dns.disablePrefetchFromHTTPS", false); // using DoH / ODNS
-user_pref("browser.urlbar.speculativeConnect.enabled", true); // DEFAULT
-user_pref("browser.places.speculativeConnect.enabled", true); // DEFAULT
-user_pref("network.early-hints.enabled", true); // DEFAULT NIGHTLY
-user_pref("network.early-hints.preconnect.enabled", true);
-//user_pref("network.early-hints.preconnect.max_connections", 10); // DEFAULT; when 0, this is limited by "network.http.speculative-parallel-limit"
-user_pref("network.prefetch-next", true); // DEFAULT if using DOH/ODNS
-user_pref("network.predictor.enabled", false);
-user_pref("network.predictor.enable-prefetch", false);
+user_pref("browser.sessionhistory.max_total_viewers", 4); // only remember # of pages in Back-Forward cache

 /** SECUREFOX ***/
 //user_pref("urlclassifier.features.socialtracking.skipURLs", "*.twitter.com, *.twimg.com"); // removed *.instagram.com
+user_pref("signon.rememberSignons", false); // disable password manager
+user_pref("extensions.formautofill.addresses.enabled", false); // disable address manager
+user_pref("extensions.formautofill.creditCards.enabled", false); // disable credit card manager
 user_pref("browser.urlbar.showSearchSuggestionsFirst", false); // unselect "Show search suggestions ahead of browsing history in address bar results" for clean UI
+//user_pref("browser.urlbar.suggest.trending", false); // FF119+ disable showing trending searches; unselect for clean UI
 user_pref("browser.urlbar.groupLabels.enabled", false); // hide Firefox Suggest label in URL dropdown box
 user_pref("signon.management.page.breach-alerts.enabled", false); // extra hardening
 user_pref("signon.autofillForms", false); // unselect "Autofill logins and passwords" for clean UI
 user_pref("signon.generation.enabled", false); // unselect "Suggest and generate strong passwords" for clean UI
-user_pref("signon.firefoxRelay.feature", "unavailable"); // unselect suggestions from Firefox Relay for clean UI
+user_pref("signon.firefoxRelay.feature", ""); // unselect suggestions from Firefox Relay for clean UI
 //user_pref("privacy.sanitize.sanitizeOnShutdown", true); // clear browsing data on shutdown
 //user_pref("privacy.clearOnShutdown.offlineApps", true); // clear Site Data on shutdown
 user_pref("browser.safebrowsing.downloads.enabled", false); // deny SB to scan downloads to identify suspicious files; local checks only
@@ -48,13 +40,20 @@ user_pref("browser.safebrowsing.downloads.remote.url", ""); // enforce no remote
 user_pref("browser.safebrowsing.downloads.remote.block_potentially_unwanted", false); // clean up UI; not needed in user.js if remote downloads are disabled
 user_pref("browser.safebrowsing.downloads.remote.block_uncommon", false); // clean up UI; not needed in user.js if remote downloads are disabled
 user_pref("browser.safebrowsing.allowOverride", false); // do not allow user to override SB
-user_pref("dom.push.enabled", false); // disable Push API; breaks FF Sync and Site Notifications
 user_pref("browser.search.update", false); // do not update opensearch engines
-user_pref("network.dns.skipTRR-when-parental-control-enabled", false); // bypass parental controls when using DoH
 user_pref("network.trr.confirmationNS", "skip"); // skip TRR confirmation request
 user_pref("extensions.webextensions.restrictedDomains", ""); // remove Mozilla domains so adblocker works on pages
+user_pref("identity.fxaccounts.enabled", false); // disable Firefox Sync
+user_pref("browser.tabs.firefox-view", false); // disable Firefox View
+user_pref("browser.tabs.firefox-view-next", false); // disable Firefox View [FF119+]
+user_pref("browser.firefox-view.feature-tour", "{\"screen\":\"\",\"complete\":true}"); // disable the Firefox View tour from popping up for new profiles
+user_pref("accessibility.force_disabled", 1); // disable Accessibility features
+//user_pref("security.ssl.require_safe_negotiation", true); // safe negotiation
+user_pref("security.cert_pinning.enforcement_level", 2); // strict public key pinning
+user_pref("browser.download.useDownloadDir", true); // one-click downloads

 /** PESKYFOX ***/
+user_pref("cookiebanners.service.mode", 2); // fall back to the accept button to remove banner
 user_pref("devtools.accessibility.enabled", false); // removes un-needed "Inspect Accessibility Properties" on right-click
 user_pref("browser.newtabpage.activity-stream.showSponsoredTopSites", false); // Settings>Home>Firefox Home Content>Recent Activity>Shortcuts>Sponsored shortcuts
 user_pref("browser.newtabpage.activity-stream.showSponsored", false); // Settings>Home>Firefox Home Content>Recent Activity>Recommended by Pocket>Sponsored Stories  
@@ -62,40 +61,48 @@ user_pref("browser.newtabpage.activity-stream.section.highlights.includeBookmark
 user_pref("browser.newtabpage.activity-stream.section.highlights.includeDownloads", false); // Settings>Home>Firefox Home Content>Recent Activity>Most Recent Download
 user_pref("browser.newtabpage.activity-stream.section.highlights.includeVisited", false); // Settings>Home>Firefox Home Content>Recent Activity>Visited Pages
 user_pref("browser.newtabpage.activity-stream.section.highlights.includePocket", false); // Settings>Home>Firefox Home Content>Recent Activity>Pages Saved to Pocket
+user_pref("browser.download.useDownloadDir", true); // use direct downloads
 user_pref("browser.download.folderList", 0); // 0=desktop, 1=downloads, 2=last used
 user_pref("browser.toolbars.bookmarks.visibility", "never"); // always hide bookmark bar
 user_pref("browser.startup.homepage_override.mstone", "ignore"); // What's New page after updates; master switch
-user_pref("browser.translations.autoTranslate", true); // make Firefox auto-translate non-English pages
-user_pref("browser.urlbar.suggest.bookmark", false); // hide URL bar dropdown suggestions
-user_pref("browser.urlbar.suggest.history", false); // hide URL bar dropdown suggestions
-user_pref("browser.urlbar.suggest.openpage", false); // hide URL bar dropdown suggestions
-//user_pref("browser.urlbar.suggest.searches", false); // hide URL bar dropdown suggestions (needed?)
+user_pref("browser.urlbar.suggest.history", false); // Browsing history; hide URL bar dropdown suggestions
+user_pref("browser.urlbar.suggest.bookmark", false); // Bookmarks; hide URL bar dropdown suggestions
+user_pref("browser.urlbar.suggest.openpage", false); // Open tabs; hide URL bar dropdown suggestions
+user_pref("browser.urlbar.suggest.topsites", false); // Shortcuts; disable dropdown suggestions with empty query
+user_pref("browser.urlbar.suggest.engines", false); // Search engines; tab-to-search
+//user_pref("browser.urlbar.suggest.searches", false); // (needed?); hide URL bar dropdown suggestions
 //user_pref("browser.urlbar.maxRichResults", 1); // minimum suggestion needed for URL bar autofill
 user_pref("browser.bookmarks.max_backups", 0); // minimize disk use; manually back-up
 user_pref("view_source.wrap_long_lines", true);  // wrap source lines
 user_pref("devtools.debugger.ui.editor-wrapping", true);  // wrap lines in devtools
 user_pref("browser.zoom.full", false); // text-only zoom, not all elements on page
-user_pref("pdfjs.sidebarViewOnLoad", 2); // [HIDDEN] force showing of Table of Contents in sidebar for PDFs (if available)
+user_pref("pdfjs.sidebarViewOnLoad", 2); // force showing of Table of Contents in sidebar for PDFs (if available)
+//user_pref("layout.word_select.eat_space_to_next_word", false); // do not select the space next to a word when selecting a word
+//user_pref("browser.tabs.loadInBackground", false); // CTRL+SHIFT+CLICK for background tabs; Settings>General>Tabs>When you open a link, image or media in a new tab, switch to it immediately
+user_pref("browser.tabs.loadBookmarksInTabs", true); // force bookmarks to open in a new tab, not the current tab
 user_pref("ui.key.menuAccessKey", 0); // remove underlined characters from various settings
 user_pref("general.autoScroll", false); // disable unintentional behavior for middle click
 user_pref("ui.SpellCheckerUnderlineStyle", 1); // dots for spell check errors
-//user_pref("browser.tabs.loadInBackground", false); // CTRL+SHIFT+CLICK for background tabs; Settings>General>Tabs>"When you open a link, image or media in a new tab, switch to it immediately"
 user_pref("media.videocontrols.picture-in-picture.display-text-tracks.size", "small"); // PiP
 user_pref("media.videocontrols.picture-in-picture.urlbar-button.enabled", false); // PiP in address bar
 user_pref("reader.parse-on-load.enabled", false); // disable reader mode
 //user_pref("reader.color_scheme", "auto"); // match system theme for when reader is enabled
 //user_pref("browser.urlbar.openintab", true); // stay on current site and open new tab when typing in URL bar
+user_pref("browser.urlbar.trimHttps", true); // hide https in URL bar [FF119]

 /** DELETE IF NOT NIGHTLY ***/
 user_pref("privacy.userContext.enabled", false); // disable Containers functionality
 user_pref("browser.crashReports.unsubmittedCheck.enabled", false); // true by default on NIGHTLY
-//user_pref("browser.urlbar.suggest.quickactions", false); // Quick Actions in URL bar
 //user_pref("xpinstall.signatures.required", false); // [ESR/DEV/NIGHTLY]
+//user_pref("browser.urlbar.suggest.quickactions", false); // Quick actions; hide URL bar dropdown suggestions
+//user_pref("browser.urlbar.suggest.clipboard", false); // Clipboard; hide URL bar dropdown suggestions

 /** DELETE IF NOT WINDOWS DESKTOP ***/
 user_pref("network.trr.mode", 3); // enable TRR (without System fallback)
-user_pref("gfx.canvas.accelerated", true); // DEFAULT except on WINDOWS; enable if not using an integrated GPU
+user_pref("gfx.canvas.accelerated", true); // DEFAULT NON-WINDOWS; enable if not using an integrated GPU
+user_pref("browser.startup.preXulSkeletonUI", false); // WINDOWS
 user_pref("default-browser-agent.enabled", false); // deny Mozilla monitoring default browser (breaks "Make Default" button)
+user_pref("geo.provider.ms-windows-location", false); //  [WINDOWS]
 user_pref("pdfjs.defaultZoomValue", "125"); // alt=page-width; PDF zoom level
 user_pref("gfx.font_rendering.cleartype_params.rendering_mode", 5);
 user_pref("gfx.font_rendering.cleartype_params.cleartype_level", 100);
@@ -106,10 +113,14 @@ user_pref("gfx.font_rendering.directwrite.use_gdi_table_loading", false);
 //user_pref("font.name.serif.x-western", "Roboto Slab"); // serif font
 //user_pref("font.name.sans-serif.x-western", "Roboto"); // sans-serif font
 //user_pref("font.name.monospace.x-western", "Fira Code"); // monospace font
-//user_pref("security.family_safety.mode", 0); // disable parental controls [WINDOWS 8-10]
+user_pref("browser.cache.disk.enable", false); // disable disk cache
+user_pref("browser.cache.memory.capacity", 65536); // default= -1 (32768)
+user_pref("media.memory_cache_max_size", 131072); // AF=65536

 /** DELETE IF NOT macOS LAPTOP ***/
 user_pref("network.trr.mode", 2); // enable TRR (with System fallback)
-user_pref("pdfjs.defaultZoomValue", "page-width"); // LAPTOP; PDF zoom level
+user_pref("network.trr.max-fails", 5); // lower max attempts to use DoH
+user_pref("geo.provider.use_corelocation", false); // geolocation [MAC]
+user_pref("pdfjs.defaultZoomValue", "page-width"); // PDF zoom level
 user_pref("app.update.auto", false); // disable auto-installing Firefox updates [NON-WINDOWS]
 //user_pref("font.name.monospace.x-western", "SF Mono"); // monospace font
@@ -10,31 +10,23 @@
 /****************************************************************************
 * Betterfox                                                                *
 * "Ad meliora"                                                             *
- * version: 116.1                                                           *
+ * version: 126                                                             *
 * url: https://github.com/yokoffing/Betterfox                              *
 ****************************************************************************/

 /****************************************************************************
 * SECTION: FASTFOX                                                         *
 ****************************************************************************/
-user_pref("nglayout.initialpaint.delay", 0);
-user_pref("nglayout.initialpaint.delay_in_oopif", 0);
+/** GENERAL ***/
 user_pref("content.notify.interval", 100000);
-user_pref("browser.startup.preXulSkeletonUI", false); // WINDOWS
-
-/** EXPERIMENTAL ***/
-user_pref("layout.css.grid-template-masonry-value.enabled", true);
-user_pref("dom.enable_web_task_scheduling", true);
-user_pref("layout.css.has-selector.enabled", true);

 /** GFX ***/
-//user_pref("gfx.canvas.accelerated", true); // enable if using a dedicated GPU on WINDOWS
 user_pref("gfx.canvas.accelerated.cache-items", 4096);
 user_pref("gfx.canvas.accelerated.cache-size", 512);
 user_pref("gfx.content.skia-font-cache-size", 20);

-/** BROWSER CACHE ***/
-user_pref("browser.cache.disk.enable", false);
+/** DISK CACHE ***/
+user_pref("browser.cache.jsbc_compression_level", 3);

 /** MEDIA CACHE ***/
 user_pref("media.memory_cache_max_size", 65536);
@@ -45,27 +37,25 @@ user_pref("media.cache_resume_threshold", 3600);
 user_pref("image.mem.decode_bytes_at_a_time", 32768);

 /** NETWORK ***/
-user_pref("network.buffer.cache.size", 262144);
-user_pref("network.buffer.cache.count", 128);
 user_pref("network.http.max-connections", 1800);
 user_pref("network.http.max-persistent-connections-per-server", 10);
 user_pref("network.http.max-urgent-start-excessive-connections-per-host", 5);
-user_pref("network.websocket.max-connections", 400);
 user_pref("network.http.pacing.requests.enabled", false);
-user_pref("network.dnsCacheEntries", 10000);
-user_pref("network.dnsCacheExpiration", 86400);
-user_pref("network.dns.max_high_priority_threads", 8);
-user_pref("network.ssl_tokens_cache_capacity", 20480);
+user_pref("network.dnsCacheExpiration", 3600);
+user_pref("network.ssl_tokens_cache_capacity", 10240);

-/** SPECULATIVE CONNECTIONS ***/
-user_pref("network.http.speculative-parallel-limit", 0);
+/** SPECULATIVE LOADING ***/
 user_pref("network.dns.disablePrefetch", true);
-user_pref("browser.urlbar.speculativeConnect.enabled", false);
-user_pref("browser.places.speculativeConnect.enabled", false);
+user_pref("network.dns.disablePrefetchFromHTTPS", true);
 user_pref("network.prefetch-next", false);
 user_pref("network.predictor.enabled", false);
 user_pref("network.predictor.enable-prefetch", false);

+/** EXPERIMENTAL ***/
+user_pref("layout.css.grid-template-masonry-value.enabled", true);
+user_pref("dom.enable_web_task_scheduling", true);
+user_pref("dom.security.sanitizer.enabled", true);
+
 /****************************************************************************
 * SECTION: SECUREFOX                                                       *
 ****************************************************************************/
@@ -73,15 +63,16 @@ user_pref("network.predictor.enable-prefetch", false);
 user_pref("browser.contentblocking.category", "strict");
 user_pref("urlclassifier.trackingSkipURLs", "*.reddit.com, *.twitter.com, *.twimg.com, *.tiktok.com");
 user_pref("urlclassifier.features.socialtracking.skipURLs", "*.instagram.com, *.twitter.com, *.twimg.com");
+user_pref("network.cookie.sameSite.noneRequiresSecure", true);
+user_pref("browser.download.start_downloads_in_tmp_dir", true);
+user_pref("browser.helperApps.deleteTempFileOnExit", true);
 user_pref("browser.uitour.enabled", false);
 user_pref("privacy.globalprivacycontrol.enabled", true);
-user_pref("privacy.globalprivacycontrol.functionality.enabled", true);

 /** OCSP & CERTS / HPKP ***/
 user_pref("security.OCSP.enabled", 0);
 user_pref("security.remote_settings.crlite_filters.enabled", true);
 user_pref("security.pki.crlite_mode", 2);
-user_pref("security.cert_pinning.enforcement_level", 2);

 /** SSL / TLS ***/
 user_pref("security.ssl.treat_unsafe_negotiation_as_broken", true);
@@ -108,21 +99,20 @@ user_pref("network.IDN_show_punycode", true);

 /** HTTPS-FIRST POLICY ***/
 user_pref("dom.security.https_first", true);
+user_pref("dom.security.https_first_schemeless", true);

-/** PASSWORDS AND AUTOFILL ***/
-user_pref("signon.rememberSignons", false);
+/** PASSWORDS ***/
+user_pref("signon.formlessCapture.enabled", false);
+user_pref("signon.privateBrowsingCapture.enabled", false);
+user_pref("network.auth.subresource-http-auth-allow", 1);
 user_pref("editor.truncate_user_pastes", false);

-/** ADDRESS + CREDIT CARD MANAGER ***/
-user_pref("extensions.formautofill.addresses.enabled", false);
-user_pref("extensions.formautofill.creditCards.enabled", false);
-
 /** MIXED CONTENT + CROSS-SITE ***/
-user_pref("network.auth.subresource-http-auth-allow", 1);
 user_pref("security.mixed_content.block_display_content", true);
+user_pref("security.mixed_content.upgrade_display_content", true);
+user_pref("security.mixed_content.upgrade_display_content.image", true);
 user_pref("pdfjs.enableScripting", false);
 user_pref("extensions.postDownloadThirdPartyPrompt", false);
-user_pref("permissions.delegation.enabled", false);

 /** HEADERS / REFERERS ***/
 user_pref("network.http.referer.XOriginTrimmingPolicy", 2);
@@ -138,9 +128,6 @@ user_pref("media.peerconnection.ice.default_address_only", true);
 user_pref("browser.safebrowsing.downloads.remote.enabled", false);

 /** MOZILLA ***/
-user_pref("accessibility.force_disabled", 1);
-user_pref("identity.fxaccounts.enabled", false);
-user_pref("browser.tabs.firefox-view", false);
 user_pref("permissions.default.desktop-notification", 2);
 user_pref("permissions.default.geo", 2);
 user_pref("geo.provider.network.url", "https://location.services.mozilla.com/v1/geolocate?key=%MOZILLA_API_KEY%");
@@ -148,6 +135,8 @@ user_pref("permissions.manager.defaultsUrl", "");
 user_pref("webchannel.allowObject.urlWhitelist", "");

 /** TELEMETRY ***/
+user_pref("datareporting.policy.dataSubmissionEnabled", false);
+user_pref("datareporting.healthreport.uploadEnabled", false);
 user_pref("toolkit.telemetry.unified", false);
 user_pref("toolkit.telemetry.enabled", false);
 user_pref("toolkit.telemetry.server", "data:,");
@@ -159,33 +148,33 @@ user_pref("toolkit.telemetry.bhrPing.enabled", false);
 user_pref("toolkit.telemetry.firstShutdownPing.enabled", false);
 user_pref("toolkit.telemetry.coverage.opt-out", true);
 user_pref("toolkit.coverage.opt-out", true);
-user_pref("datareporting.healthreport.uploadEnabled", false);
-user_pref("datareporting.policy.dataSubmissionEnabled", false);
+user_pref("toolkit.coverage.endpoint.base", "");
+user_pref("browser.newtabpage.activity-stream.feeds.telemetry", false);
+user_pref("browser.newtabpage.activity-stream.telemetry", false);
+
+/** EXPERIMENTS ***/
 user_pref("app.shield.optoutstudies.enabled", false);
-user_pref("browser.discovery.enabled", false);
+user_pref("app.normandy.enabled", false);
+user_pref("app.normandy.api_url", "");
+
+/** CRASH REPORTS ***/
 user_pref("breakpad.reportURL", "");
 user_pref("browser.tabs.crashReporting.sendReport", false);
 user_pref("browser.crashReports.unsubmittedCheck.autoSubmit2", false);
+
+/** DETECTION ***/
 user_pref("captivedetect.canonicalURL", "");
 user_pref("network.captive-portal-service.enabled", false);
 user_pref("network.connectivity-service.enabled", false);
-user_pref("app.normandy.enabled", false);
-user_pref("app.normandy.api_url", "");
-user_pref("browser.ping-centre.telemetry", false);
-user_pref("browser.newtabpage.activity-stream.feeds.telemetry", false);
-user_pref("browser.newtabpage.activity-stream.telemetry", false);

 /****************************************************************************
 * SECTION: PESKYFOX                                                        *
 ****************************************************************************/
 /** MOZILLA UI ***/
-user_pref("layout.css.prefers-color-scheme.content-override", 2);
-user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true);
-user_pref("app.update.suppressPrompts", true);
-user_pref("browser.compactmode.show", true);
 user_pref("browser.privatebrowsing.vpnpromourl", "");
 user_pref("extensions.getAddons.showPane", false);
 user_pref("extensions.htmlaboutaddons.recommendations.enabled", false);
+user_pref("browser.discovery.enabled", false);
 user_pref("browser.shell.checkDefaultBrowser", false);
 user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons", false);
 user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features", false);
@@ -193,60 +182,63 @@ user_pref("browser.preferences.moreFromMozilla", false);
 user_pref("browser.tabs.tabmanager.enabled", false);
 user_pref("browser.aboutConfig.showWarning", false);
 user_pref("browser.aboutwelcome.enabled", false);
+
+/** THEME ADJUSTMENTS ***/
+user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true);
+user_pref("browser.compactmode.show", true);
 user_pref("browser.display.focus_ring_on_anything", true);
 user_pref("browser.display.focus_ring_style", 0);
 user_pref("browser.display.focus_ring_width", 0);
+user_pref("layout.css.prefers-color-scheme.content-override", 2);
 user_pref("browser.privateWindowSeparation.enabled", false); // WINDOWS
-user_pref("browser.privatebrowsing.enable-new-indicator", false);
-user_pref("cookiebanners.service.mode", 2);
-user_pref("cookiebanners.service.mode.privateBrowsing", 2);
-user_pref("browser.translations.enable", true);

-/** FULLSCREEN ***/
+/** COOKIE BANNER HANDLING ***/
+user_pref("cookiebanners.service.mode", 1);
+user_pref("cookiebanners.service.mode.privateBrowsing", 1);
+
+/** FULLSCREEN NOTICE ***/
 user_pref("full-screen-api.transition-duration.enter", "0 0");
 user_pref("full-screen-api.transition-duration.leave", "0 0");
 user_pref("full-screen-api.warning.delay", -1);
 user_pref("full-screen-api.warning.timeout", 0);

 /** URL BAR ***/
-user_pref("browser.urlbar.suggest.engines", false);
-user_pref("browser.urlbar.suggest.topsites", false);
 user_pref("browser.urlbar.suggest.calculator", true);
 user_pref("browser.urlbar.unitConversion.enabled", true);
+user_pref("browser.urlbar.trending.featureGate", false);

 /** NEW TAB PAGE ***/
 user_pref("browser.newtabpage.activity-stream.feeds.topsites", false);
 user_pref("browser.newtabpage.activity-stream.feeds.section.topstories", false);

-/*** POCKET ***/
+/** POCKET ***/
 user_pref("extensions.pocket.enabled", false);

 /** DOWNLOADS ***/
-user_pref("browser.download.useDownloadDir", false);
 user_pref("browser.download.always_ask_before_handling_new_types", true);
-user_pref("browser.download.alwaysOpenPanel", false);
 user_pref("browser.download.manager.addToRecentDocs", false);

 /** PDF ***/
 user_pref("browser.download.open_pdf_attachments_inline", true);
-user_pref("pdfjs.sidebarViewOnLoad", 2);

 /** TAB BEHAVIOR ***/
-user_pref("browser.tabs.loadBookmarksInTabs", true);
 user_pref("browser.bookmarks.openInTabClosesMenu", false);
 user_pref("browser.menu.showViewImageInfo", true);
 user_pref("findbar.highlightAll", true);
+user_pref("layout.word_select.eat_space_to_next_word", false);
+
+/****************************************************************************
+ * START: MY OVERRIDES                                                      *
+****************************************************************************/
+// visit https://github.com/yokoffing/Betterfox/wiki/Common-Overrides
+// visit https://github.com/yokoffing/Betterfox/wiki/Optional-Hardening
+// Enter your personal overrides below this line:

 /****************************************************************************
 * SECTION: SMOOTHFOX                                                       *
 ****************************************************************************/
 // visit https://github.com/yokoffing/Betterfox/blob/main/Smoothfox.js
-// Enter your scrolling prefs below this line:
-
-/****************************************************************************
- * START: MY OVERRIDES                                                      *
-****************************************************************************/
-// Enter your personal prefs below this line:
+// Enter your scrolling overrides below this line:

 /****************************************************************************
 * END: BETTERFOX                                                           *
Author	SHA1	Message	Date
Hal	c3c64a22a1	remove duplicate	2024-05-20 14:34:22 -04:00
Hal	ef6e985186	browser.urlbar.yelp.featureGate FF124	2024-05-20 14:30:27 -04:00
Hal	4f136e9978	corroborator.enabled removed FF126	2024-05-20 14:23:13 -04:00
Hal	322002b02b	add text fragment (experimental)	2024-05-20 14:21:48 -04:00
Hal	a687cb7297	account for MSDp	2024-05-20 13:16:43 -04:00
Hal	9212b98e53	ver #	2024-05-20 13:13:37 -04:00
Hal	9f4409dc13	ver #	2024-05-20 13:13:23 -04:00
Hal	e9b0b4f225	ver #	2024-05-20 13:13:08 -04:00
Hal	c68b528fcc	ver #	2024-05-20 13:12:40 -04:00
Hal	30228f307b	NTP: wallpapers and weather	2024-05-20 13:11:39 -04:00
Hal	4ca0d439fc	remove speculative loading test	2024-05-20 13:02:57 -04:00
Hal	ef9c886fad	Update user.js	2024-05-20 12:47:42 -04:00
Hal	1bb3c6e617	Update Fastfox.js	2024-05-17 17:59:16 -04:00
Hal	f1c5b4e06d	note	2024-05-17 17:50:55 -04:00
Hal	ec40cd2cfe	Super Resolution now implemented default	2024-05-17 17:50:08 -04:00
Hal	61c4c87c60	Update Securefox.js	2024-05-17 17:17:13 -04:00
Hal	ff2a516d2f	Update Securefox.js	2024-05-17 17:12:17 -04:00
Hal	847ba04322	SERP Telemetry	2024-05-17 17:07:59 -04:00
Hal	91e69b61ff	Bounce Tracking Protection	2024-05-17 16:56:48 -04:00
Hal	8b403e9db9	update value for network.http.speculative-parallel-limit	2024-05-05 16:04:45 -04:00
Hal	7762e11597	add network.dns.disablePrefetchFromHTTPS	2024-05-05 15:56:47 -04:00
Hal	fed34f834b	prefetchfromhttps now false (FF127+) https://bugzilla.mozilla.org/show_bug.cgi?id=1596935	2024-05-05 15:56:00 -04:00
Hal	46a27b15ff	DLP	2024-04-16 10:15:58 -04:00
Hal	36f63d97dc	browser.urlbar.yelp.featureGate	2024-04-16 10:11:53 -04:00
Hal	b05dfcfea7	add Mercury	2024-04-16 10:01:46 -04:00
Hal	a9de61b401	Update Fastfox.js	2024-04-16 09:59:18 -04:00
Hal	ff2e690409	fix decimals https://github.com/yokoffing/Betterfox/issues/287	2024-04-11 12:14:32 -04:00
Hal	2f6796d055	add line on performance	2024-03-23 13:33:09 -04:00
Hal	0f84895ec4	add resource	2024-03-22 10:44:35 -04:00
Hal	e57d87d4b9	Update user-overrides.js	2024-03-21 20:51:15 -04:00
Hal	3d9b3b4e89	Update Fastfox.js	2024-03-21 11:19:57 -04:00
Hal	56544e8fdc	Update Peskyfox.js	2024-03-21 11:15:44 -04:00
Hal	9ec4ed5fae	Update Peskyfox.js	2024-03-21 11:14:46 -04:00
Hal	ab288df159	PingCentre telemetry removed	2024-03-21 11:13:17 -04:00
Hal	155c084bc6	PingCentre telemetry removed	2024-03-21 11:12:54 -04:00
Hal	e4de66dcbc	CRLite requires push	2024-03-21 11:12:31 -04:00
Hal	4a20f7ee3c	remove push Required for CRLite	2024-03-21 11:10:50 -04:00
Hal	4775dbce89	edit RCWN title	2024-03-21 10:21:59 -04:00
Hal	96864acc29	more details	2024-03-21 10:12:22 -04:00
Hal	c4a5018b04	add network.http.rcwn.enabled	2024-03-21 09:54:13 -04:00
Hal	c18c4802f4	layout.css.has-selector.enabled is now default	2024-03-21 09:41:23 -04:00
Hal	ae7c8ee298	layout.css.has-selector.enabled is now default	2024-03-21 09:40:36 -04:00
Hal	705c50cc99	remove network.dns.max_high_priority_threads	2024-03-21 09:38:55 -04:00
Hal	f0da2bc058	DNS threads reset	2024-03-21 09:37:49 -04:00
Hal	5a7816e675	Merge branch 'main' into 123	2024-03-21 09:34:08 -04:00
Hal	c366439145	fix	2024-03-18 18:12:48 -04:00
Hal	bd128d8d56	add counter	2024-03-18 18:11:55 -04:00
Hal	80eb522422	spelling	2024-03-18 11:48:57 -04:00
Hal	bc8d1eb324	Merge branch 'main' into 123	2024-03-13 21:53:29 -04:00
Hal	d4f1744b0c	v122.1 (#280 ) * network.buffer.cache.size causes HTML issue	2024-03-13 11:47:02 -04:00
Hal	f6affa6076	missing pref text	2024-02-28 18:19:35 -05:00
Hal	43546f7ba6	add op pref	2024-02-21 12:13:42 -05:00
Hal	e95eb32ffd	signon.firefoxRelay.feature	2024-02-21 12:12:20 -05:00
Hal	0f818cddff	adjust relay pref	2024-02-21 12:10:49 -05:00
Hal	35474a4c38	FF view prefs	2024-02-21 12:02:33 -05:00
Hal	14de7b101d	v120-122 (#268 )	2024-02-19 12:06:22 -05:00
Hal	27bcd885b7	AF credit	2024-01-30 13:29:18 -05:00
e-tho	64774680a9	fix typo (#273 )	2024-01-26 17:43:37 -05:00
system32.eth	4d23050c74	Update Fastfox.js (#269 ) Missing closing quote on variable	2024-01-03 09:14:15 -05:00
Hal	042bcc1c56	Update README.md https://github.com/yokoffing/Betterfox/issues/266	2023-12-12 09:03:56 -05:00
Hal	396a465b73	GitHub sponsor	2023-11-28 20:50:51 -05:00
Hal	d7a530164e	Create FUNDING.yml	2023-11-28 15:09:38 -05:00
Hal	1653fc9014	fix broken link https://github.com/yokoffing/Betterfox/issues/262	2023-11-22 20:17:38 -05:00
Hal	6657c83ae2	clean up List descriptions	2023-11-12 15:14:19 -05:00
yokoffing	4b75f957f9	v119 (#237 )	2023-11-10 11:44:04 -05:00
yokoffing	52e6deb863	Delete .github/ISSUE_TEMPLATE/feature_request.md	2023-11-06 12:28:48 +00:00
yokoffing	6887c6d2f9	Update bug_report.md	2023-11-06 12:27:21 +00:00
yokoffing	099fe168ba	Update user-overrides.js	2023-10-17 13:17:14 -04:00
HJ	4c0b1791dc	geo-location	2023-09-30 15:42:34 -04:00
HJ	687785a8d3	Update README.md	2023-09-30 00:07:12 -04:00
HJ	b833ea7300	v118 (#235 )	2023-09-29 21:29:34 -04:00
HJ	c574f6057f	Delete personal/test.txt	2023-09-23 17:36:25 -06:00
HJ	4ed949c78b	move personal/user-overrides.js	2023-09-23 17:35:59 -06:00
HJ	dae0e10c1d	Create personal folder	2023-09-23 17:33:50 -06:00
HJ	084b173e07	Delete personal	2023-09-23 17:32:43 -06:00
HJ	d164ac1395	Create personal	2023-09-23 17:32:28 -06:00
HJ	0334bea972	v.117 (#225 )	2023-09-18 12:16:13 -04:00
HJ	726f4d4a6b	add backup to Getting Started	2023-09-08 14:38:29 -04:00