144.0 (#429)

Fastfox.js

@@ -3,7 +3,7 @@
  * Fastfox                                                                              *
  * "Non ducor duco"                                                                     *
  * priority: speedy browsing                                                            *
- * version: 137                                                                         *
+ * version: 144                                                                         *
  * url: https://github.com/yokoffing/Betterfox                                          *
  ***************************************************************************************/
 
@@ -22,6 +22,12 @@
 //user_pref("nglayout.initialpaint.delay", 5); // DEFAULT; formerly 250
     //user_pref("nglayout.initialpaint.delay_in_oopif", 5); // DEFAULT
 
+// PREF: Font rendering cache in Skia (32MB)
+// Increases font cache size to improve performance on text-heavy websites.
+// Especially beneficial for sites with many font faces or complex typography.
+// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1239151#c2
+user_pref("gfx.content.skia-font-cache-size", 32); // 32 MB; default=5; Chrome=20
+
 // PREF: page reflow timer
 // Rather than wait until a page has completely downloaded to display it to the user,
 // web browsers will periodically render what has been received to that point.
@@ -33,7 +39,7 @@
 // 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: content notification delay - 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.
@@ -47,7 +53,17 @@
 // [1] https://searchfox.org/mozilla-central/rev/c1180ea13e73eb985a49b15c0d90e977a1aa919c/modules/libpref/init/StaticPrefList.yaml#1824-1834
 // [2] https://web.archive.org/web/20240115073722/https://dev.opera.com/articles/efficient-javascript/?page=3#reflow
 // [3] https://web.archive.org/web/20240115073722/https://dev.opera.com/articles/efficient-javascript/?page=3#smoothspeed
-user_pref("content.notify.interval", 100000); // (.10s); default=120000 (.12s)
+//user_pref("content.notify.interval", 100000); // (.10s); default=120000 (.12s)
+//user_pref("content.max.tokenizing.time", 1000000); // (1.00s); alt=2000000; HIDDEN
+//user_pref("content.interrupt.parsing", true); // HIDDEN
+//user_pref("content.notify.ontimer", true); // DEFAULT
+
+// PREF: UI responsiveness threshold
+//user_pref("content.switch.threshold", 300000); // HIDDEN; default= 750000; alt=500000
+
+// PREF: split text nodes to a length
+// The number of bytes in a text node.
+//user_pref("content.maxtextrun", 8191); // DEFAULT; HIDDEN
 
 // PREF: new tab preload
 // [WARNING] Disabling this may cause a delay when opening a new tab in Firefox.
@@ -118,10 +134,13 @@ user_pref("content.notify.interval", 100000); // (.10s); default=120000 (.12s)
 // [2] https://github.com/yokoffing/Betterfox/issues/153
 // [3] https://github.com/yokoffing/Betterfox/issues/198
 //user_pref("gfx.canvas.accelerated", true); // [DEFAULT FF133+]
-    //user_pref("gfx.canvas.accelerated.cache-items", 8192); // DEFAULT FF135+; Chrome=4096
+user_pref("gfx.canvas.accelerated.cache-items", 32768); // [default=8192 FF135+]; Chrome=4096
-    user_pref("gfx.canvas.accelerated.cache-size", 512); // default=256; Chrome=512
+user_pref("gfx.canvas.accelerated.cache-size", 4096); // default=256; Chrome=512
-    user_pref("gfx.content.skia-font-cache-size", 20); // default=5; Chrome=20
+//user_pref("gfx.canvas.max-size", 32767); // DEFAULT=32767
-    // [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1239151#c2
+
+// PREF: WebGL
+user_pref("webgl.max-size", 16384); // default=1024
+//user_pref("webgl.force-enabled", true);
 
 // PREF: prefer GPU over CPU
 // At best, the prefs do nothing on Linux/macOS.
@@ -188,7 +207,7 @@ user_pref("browser.cache.disk.enable", false);
 // 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
+//user_pref("browser.cache.disk.metadata_memory_limit", 16384); // 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.
@@ -269,8 +288,8 @@ user_pref("browser.cache.disk.enable", false);
 // [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", 131072); // (128 MB)
+user_pref("browser.cache.memory.capacity", 131072); // 128 MB RAM cache; alt=65536 (65 MB RAM cache); default=32768
-//user_pref("browser.cache.memory.max_entry_size", 20480); // (20 MB); default=5120 (5 MB)
+user_pref("browser.cache.memory.max_entry_size", 20480); // 20 MB max entry; default=5120 (5 MB)
 
 // 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
@@ -281,7 +300,15 @@ user_pref("browser.cache.disk.enable", false);
 // 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", 4);
+user_pref("browser.sessionhistory.max_total_viewers", 4); // default=8
+user_pref("browser.sessionstore.max_tabs_undo", 10); // default=25
+//user_pref("browser.sessionstore.max_entries", 10); // [HIDDEN OR REMOVED]
+//user_pref("dom.storage.default_quota", 20480); // 20MB; default=5120
+//user_pref("dom.storage.shadow_writes", true);
+
+// PREF: tell garbage collector to start running when javascript is using xx MB of memory
+// Garbage collection releases memory back to the system.
+//user_pref("javascript.options.mem.high_water_mark", 128); // DEFAULT [HIDDEN OR REMOVED]
 
 /****************************************************************************
  * SECTION: MEDIA CACHE                                                     *
@@ -292,11 +319,11 @@ user_pref("browser.sessionhistory.max_total_viewers", 4);
 
 // PREF: media memory cache
 // [1] https://hg.mozilla.org/mozilla-central/file/tip/modules/libpref/init/StaticPrefList.yaml#l9652
-// [2] https://github.com/arkenfox/user.js/pull/941
+// [2] https://github.com/arkenfox/user.js/pull/941#issuecomment-668278121
-user_pref("media.memory_cache_max_size", 65536); // default=8192; AF=65536; alt=131072
+user_pref("media.memory_cache_max_size", 262144); // 256 MB; default=8192; AF=65536
 
 // PREF: media cache combine sizes
-//user_pref("media.memory_caches_combined_limit_kb", 524288); // DEFAULT; alt=1048576
+user_pref("media.memory_caches_combined_limit_kb", 1048576); // 1GB; default=524288
 //user_pref("media.memory_caches_combined_limit_pc_sysmem", 5); // DEFAULT; alt=10; the percentage of system memory that Firefox can use for media caches
 
 // PREF: Media Source Extensions (MSE) web standard
@@ -310,19 +337,20 @@ user_pref("media.memory_cache_max_size", 65536); // default=8192; AF=65536; alt=
 // PREF: adjust video buffering periods when not using MSE (in seconds)
 // [NOTE] Does not affect videos over 720p since they use DASH playback [1]
 // [1] https://lifehacker.com/preload-entire-youtube-videos-by-disabling-dash-playbac-1186454034
-user_pref("media.cache_readahead_limit", 7200); // 120 min; default=60; stop reading ahead when our buffered data is this many seconds ahead of the current playback
+user_pref("media.cache_readahead_limit", 600); // 10 min; default=60; stop reading ahead when our buffered data is this many seconds ahead of the current playback
-user_pref("media.cache_resume_threshold", 3600); // 60 min; default=30; when a network connection is suspended, don't resume it until the amount of buffered data falls below this threshold
+user_pref("media.cache_resume_threshold", 300); // 5 min; default=30; when a network connection is suspended, don't resume it until the amount of buffered data falls below this threshold
 
 /****************************************************************************
  * SECTION: IMAGE CACHE                                                     *
 ****************************************************************************/
 
 // PREF: image cache
-//user_pref("image.cache.size", 5242880); // DEFAULT; in MiB; alt=10485760 (cache images up to 10MiB in size)
+user_pref("image.cache.size", 10485760); // (cache images up to 10MiB in size) [DEFAULT 5242880]
-user_pref("image.mem.decode_bytes_at_a_time", 32768); // default=16384; alt=65536; chunk size for calls to the image decoders
+user_pref("image.mem.decode_bytes_at_a_time", 65536); // default=16384; alt=32768; chunk size for calls to the image decoders
+//user_pref("image.mem.max_decoded_image_kb", 512000); // 500MB [HIDDEN OR REMOVED?]
 
 // PREF: set minimum timeout to unmap shared surfaces since they have been last used
-// This is only used on 32-bit builds of Firefox where there is meaningful
+// [NOTE] This is only used on 32-bit builds of Firefox where there is meaningful
 // virtual address space pressure.
 // [1] https://phabricator.services.mozilla.com/D109440
 // [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1699224
@@ -350,6 +378,7 @@ 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.http.request.max-start-delay", 5); // default=10
 //user_pref("network.websocket.max-connections", 200); // DEFAULT
 
 // PREF: pacing requests [FF23+]
@@ -359,21 +388,21 @@ user_pref("network.http.max-persistent-connections-per-server", 10); // default=
 // Pacing requests adds a slight delay between requests to throttle them.
 // If you have a fast machine and internet connection, disabling pacing
 // may provide a small speed boost when loading pages with lots of requests.
-// false=Firefox will send as many requests as possible without pacing
+// false = Firefox will send as many requests as possible without pacing
-// true=Firefox will pace requests (default)
+// true = Firefox will pace requests (default)
 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
+    //user_pref("network.http.pacing.requests.burst", 32); // default=10
 
 // PREF: increase DNS cache
 // [1] https://developer.mozilla.org/en-US/docs/Web/Performance/Understanding_latency
-//user_pref("network.dnsCacheEntries", 1000); // default=400
+user_pref("network.dnsCacheEntries", 10000); // default=800
 
 // 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", 3600); // keep entries for 1 hour
+user_pref("network.dnsCacheExpiration", 3600); // keep entries for 1 hour; default=60
-    //user_pref("network.dnsCacheExpirationGracePeriod", 240); // default=60; cache DNS entries for 4 minutes after they expire
+    //user_pref("network.dnsCacheExpirationGracePeriod", 120); // default=60; cache DNS entries for 2 minutes after they expire
 
 // PREF: the number of threads for DNS
 //user_pref("network.dns.max_high_priority_threads", 40); // DEFAULT [FF 123?]
@@ -550,7 +579,7 @@ user_pref("network.predictor.enabled", false);
 // PREF: CSS Masonry Layout [NIGHTLY]
 // [1] https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Grid_Layout/Masonry_Layout
 // [2] https://www.smashingmagazine.com/native-css-masonry-layout-css-grid/
-user_pref("layout.css.grid-template-masonry-value.enabled", true);
+//user_pref("layout.css.grid-template-masonry-value.enabled", true);
 
 /****************************************************************************
  * SECTION: TAB UNLOAD                                                      *
@@ -598,6 +627,7 @@ user_pref("layout.css.grid-template-masonry-value.enabled", true);
 // [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
+//user_pref("dom.ipc.keepProcessesAlive.web", 4); // default=1 [HIDDEN OR REMOVED]
 
 // PREF: use one process for process preallocation cache
 //user_pref("dom.ipc.processPrelaunch.fission.number", 1); // default=3; Process Preallocation Cache

Peskyfox.js

@@ -3,7 +3,7 @@
  * Peskyfox                                                                 *
  * "Aquila non capit muscas"                                                *
  * priority: remove annoyances                                              *
- * version: 142                                                             *
+ * version: 144                                                             *
  * 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                          *
@@ -64,6 +64,9 @@ user_pref("browser.profiles.enabled", true);
 // [1] https://github.com/yokoffing/Betterfox/issues/320
 //user_pref("widget.gtk.non-native-titlebar-buttons.enabled", true);
 
+// PREF: disable search engine switcher in the URL bar [FF136+]
+//user_pref("browser.urlbar.scotchBonnet.enableOverride", false);
+
 /****************************************************************************
  * SECTION: THEME ADJUSTMENTS                                              *
 ****************************************************************************/
@@ -106,12 +109,15 @@ user_pref("browser.ml.enable", false);
 // PREF: AI chat
 user_pref("browser.ml.chat.enabled", false);
 
-// PREF: link previews
+// PREF: AI chatbot option in right click menu
-//user_pref("browser.ml.linkPreview.enabled", false);
+user_pref("browser.ml.chat.menu", false);
 
 // PREF: AI-enhanced tab groups
 // [1] https://support.mozilla.org/kb/how-use-ai-enhanced-tab-groups
-//user_pref("browser.tabs.groups.smart.enabled", false);
+user_pref("browser.tabs.groups.smart.enabled", false);
+
+// PREF: link previews
+user_pref("browser.ml.linkPreview.enabled", false);
 
 /****************************************************************************
  * SECTION: COOKIE BANNER HANDLING                                          *
@@ -337,8 +343,9 @@ user_pref("browser.newtabpage.activity-stream.default.sites", "");
  * SECTION: POCKET                                                            *
 ******************************************************************************/
 
-// PREF: Disable built-in Pocket extension
+// PREF: disable built-in Pocket extension
-user_pref("extensions.pocket.enabled", false);
+// [1] https://support.mozilla.org/kb/future-of-pocket
+//user_pref("extensions.pocket.enabled", false); // DEFAULT
       //user_pref("extensions.pocket.api"," ");
       //user_pref("extensions.pocket.oAuthConsumerKey", " ");
       //user_pref("extensions.pocket.site", " ");

README.md

@@ -46,6 +46,7 @@ The `user.js` — a configuration file that controls Firefox settings — is cur
 > While the browsers listed below incorporate Betterfox to some extent, they often modify it in ways that reduce its effectiveness. For optimal results, apply the `user.js` file even when using Firefox forks.
 
 * [Zen](https://github.com/zen-browser/desktop?tab=readme-ov-file) | [files](https://github.com/zen-browser/desktop/blob/stable/src/browser/app/profile/zen-browser.js) (July 2024)
+* [FireDragon](https://github.com/dr460nf1r3/firedragon-browser/blob/master/README.md) | [files](https://github.com/dr460nf1r3/firedragon-browser/blob/55fc6e5029542cd90fabe23cb44c89568d74d006/firedragon.cfg#L822-L824) (Jan 2024?)
 * [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/docs/releases/G6.0/) | [files](https://github.com/WaterfoxCo/Waterfox/tree/current/waterfox/browser/app/profile) (Sep 2023)

Securefox.js

@@ -3,7 +3,7 @@
  * Securefox                                                                *
  * "Natura non contristatur"                                                *     
  * priority: provide sensible security and privacy                          *
- * version: 142                                                             *
+ * version: 144                                                             *
  * 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                          *
@@ -24,7 +24,7 @@
 user_pref("browser.contentblocking.category", "strict"); // [HIDDEN]
 // [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1970647
 user_pref("privacy.trackingprotection.allow_list.baseline.enabled", true); // [FF142+]
-user_pref("privacy.trackingprotection.allow_list.convenience.enabled", true); // [FF142+]
+//user_pref("privacy.trackingprotection.allow_list.convenience.enabled", true); // [FF142+]
 //user_pref("privacy.trackingprotection.enabled", true); // enabled with "Strict"
 //user_pref("privacy.trackingprotection.pbmode.enabled", true); // DEFAULT
 //user_pref("browser.contentblocking.customBlockList.preferences.ui.enabled", false); // DEFAULT
@@ -281,7 +281,7 @@ user_pref("security.OCSP.enabled", 0);
 // [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1429800,1670985,1753071
 // [2] https://blog.mozilla.org/security/tag/crlite/
 //user_pref("security.remote_settings.crlite_filters.enabled", true); // [DEFAULT: true FF137+]
-user_pref("security.pki.crlite_mode", 2);
+//user_pref("security.pki.crlite_mode", 2); // [DEFAULT: 2 FF142+]
 
 // PREF: HTTP Public Key Pinning (HPKP)
 // HPKP enhances the security of SSL certificates by associating
@@ -497,6 +497,14 @@ user_pref("browser.sessionstore.interval", 60000); // 1 minute; default=15000 (1
 // PREF: purge session icon in Private Browsing windows
 user_pref("browser.privatebrowsing.resetPBM.enabled", true);
 
+// PREF: delete files downloaded in Private Browsing when all private windows are closed
+// When downloading a file in private browsing mode, the user will be prompted
+// to chose whether they want to keep or delete files that are downloaded
+// while in private browsing. 
+//user_pref("browser.download.enableDeletePrivate", true);
+//user_pref("browser.download.deletePrivateChosen", true);
+//user_pref("browser.download.deletePrivate", true);
+
 /******************************************************************************
  * SECTION: SHUTDOWN & SANITIZING                                             *
 ******************************************************************************/
@@ -1130,6 +1138,53 @@ user_pref("privacy.userContext.ui.enabled", true);
     // Optionally, hide the setting which also disables the DRM prompt:
     //user_pref("browser.eme.ui.enabled", false);
 
+/******************************************************************************
+ * SECTION: JIT                                                              *
+******************************************************************************/
+// PREF: Just-In-Time Compilation
+// Around half of zero-day exploits are directly related to "just in time"
+// (JIT) compilers, and disabling that can greatly improve your protection against
+// these potential exploits.
+// [1] https://microsoftedge.github.io/edgevr/posts/Super-Duper-Secure-Mode/
+// [2] https://www.youtube.com/watch?v=i7qlZeDt9o4
+
+// PREF: JavaScript JIT
+// PREF: disable Ion and baseline JIT to harden against JS exploits
+// [NOTE] When both Ion and JIT are disabled, and trustedprincipals
+// is enabled, then Ion can still be used by extensions [4].
+// Tor Browser doesn't even ship with these disabled by default.
+// [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=firefox+jit
+// [2] https://microsoftedge.github.io/edgevr/posts/Super-Duper-Secure-Mode/
+// [3] https://support.microsoft.com/en-us/microsoft-edge/enhance-your-security-on-the-web-with-microsoft-edge-b8199f13-b21b-4a08-a806-daed31a1929d
+// [4] https://bugzilla.mozilla.org/show_bug.cgi?id=1599226
+// [5] https://wiki.mozilla.org/IonMonkey
+// [6] https://github.com/arkenfox/user.js/issues/1791#issuecomment-1891273681
+//user_pref("javascript.options.baselinejit", false);
+//user_pref("javascript.options.ion", false);
+//user_pref("javascript.options.jit_trustedprincipals", false);
+
+// PREF: WebAssembly JIT [FF52+]
+// Vulnerabilities [1] have increasingly been found, including those known and fixed
+// in native programs years ago [2]. WASM has powerful low-level access, making
+// certain attacks (brute-force) and vulnerabilities more possible.
+// [STATS] ~0.2% of websites, about half of which are for cryptomining / malvertising [2][3]
+// [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=wasm
+// [2] https://spectrum.ieee.org/tech-talk/telecom/security/more-worries-over-the-security-of-web-assembly
+// [3] https://www.zdnet.com/article/half-of-the-websites-using-webassembly-use-it-for-malicious-purposes
+//user_pref("javascript.options.wasm", false);
+    //user_pref("javascript.options.wasm_trustedprincipals", false);
+    //user_pref("javascript.options.wasm_baselinejit", false);
+    //user_pref("javascript.options.wasm_optimizingjit", false);
+
+// PREF: Asm.js JIT [FF22+]
+// [1] http://asmjs.org/
+// [2] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=asm.js
+// [3] https://rh0dev.github.io/blog/2017/the-return-of-the-jit/
+//user_pref("javascript.options.asmjs", false);
+
+// PREF: Blinterp (JIT-like)
+//user_pref("javascript.options.blinterp", false);
+     
 /******************************************************************************
  * SECTION: VARIOUS                                                          *
 ******************************************************************************/
@@ -1143,40 +1198,7 @@ user_pref("privacy.userContext.ui.enabled", true);
 // If this is less than 5, then pasting code into the web console is disabled.
 //user_pref("devtools.selfxss.count", 5);
 
-// PREF: disable asm.js [FF22+]
+ /******************************************************************************
-// [WARNING] Disabling this pref may disrupt your browsing experience.
-// [1] http://asmjs.org/
-// [2] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=asm.js
-// [3] https://rh0dev.github.io/blog/2017/the-return-of-the-jit/
-//user_pref("javascript.options.asmjs", false);
-
-// PREF: disable Ion and baseline JIT to harden against JS exploits
-// [NOTE] When both Ion and JIT are disabled, and trustedprincipals
-// is enabled, then Ion can still be used by extensions [4].
-// [WARNING] Disabling these prefs will disrupt your browsing experience [6].
-// Tor Browser doesn't even ship with these disabled by default.
-// [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=firefox+jit
-// [2] https://microsoftedge.github.io/edgevr/posts/Super-Duper-Secure-Mode/
-// [3] https://support.microsoft.com/en-us/microsoft-edge/enhance-your-security-on-the-web-with-microsoft-edge-b8199f13-b21b-4a08-a806-daed31a1929d
-// [4] https://bugzilla.mozilla.org/show_bug.cgi?id=1599226
-// [5] https://wiki.mozilla.org/IonMonkey
-// [6] https://github.com/arkenfox/user.js/issues/1791#issuecomment-1891273681
-//user_pref("javascript.options.ion", false);
-//user_pref("javascript.options.baselinejit", false);
-//user_pref("javascript.options.jit_trustedprincipals", true); // [FF75+] [HIDDEN PREF]
-
-// PREF: disable WebAssembly [FF52+]
-// [WARNING] Disabling this pref may disrupt your browsing experience.
-// Vulnerabilities [1] have increasingly been found, including those known and fixed
-// in native programs years ago [2]. WASM has powerful low-level access, making
-// certain attacks (brute-force) and vulnerabilities more possible.
-// [STATS] ~0.2% of websites, about half of which are for cryptomining / malvertising [2][3]
-// [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=wasm
-// [2] https://spectrum.ieee.org/tech-talk/telecom/security/more-worries-over-the-security-of-web-assembly
-// [3] https://www.zdnet.com/article/half-of-the-websites-using-webassembly-use-it-for-malicious-purposes
-//user_pref("javascript.options.wasm", false);
-
-/******************************************************************************
  * SECTION: SAFE BROWSING (SB)                                               *
 ******************************************************************************/
 

install.py

@@ -51,6 +51,10 @@ INSTALLATIONS_TO_CHECK = [
         "command": [str(Path("C:/Program Files/Mozilla Firefox/firefox"))],
         "root": Path(getenv("APPDATA") or "").joinpath("Mozilla/Firefox").resolve(),
     },
+    {
+        "command": [str(Path(getenv("LOCALAPPDATA") or "").joinpath("Mozilla Firefox/firefox").resolve())],
+        "root": Path(getenv("APPDATA") or "").joinpath("Mozilla/Firefox").resolve(),
+    },
     # linux
     {
         "command": ["firefox"],

personal/user-overrides.js

@@ -28,10 +28,10 @@ user_pref("network.http.speculative-parallel-limit", 20);
 user_pref("browser.urlbar.speculativeConnect.enabled", true);
 user_pref("browser.places.speculativeConnect.enabled", true);
 user_pref("network.prefetch-next", true);
-
 user_pref("network.http.max-persistent-connections-per-server", 20); // increase download connections
 
 /** SECUREFOX ***/
+user_pref("privacy.trackingprotection.allow_list.convenience.enabled", false); // disable Strict allowlist of convenience features
 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
@@ -57,6 +57,9 @@ user_pref("security.cert_pinning.enforcement_level", 2); // strict public key pi
 user_pref("captivedetect.canonicalURL", ""); // disable captive portal detection
 user_pref("network.captive-portal-service.enabled", false); // disable captive portal detection
 user_pref("network.connectivity-service.enabled", false); // disable captive portal detection
+user_pref("browser.download.enableDeletePrivate", true); // Delete files downloaded in private browsing when all private windows are closed
+user_pref("browser.download.deletePrivateChosen", true); // Delete files downloaded in private browsing when all private windows are closed
+user_pref("browser.download.deletePrivate", true); // Delete files downloaded in private browsing when all private windows are closed
 
 /** PESKYFOX ***/
 user_pref("devtools.accessibility.enabled", false); // removes un-needed "Inspect Accessibility Properties" on right-click
@@ -150,3 +153,5 @@ user_pref("network.trr.mode", 2); // enable TRR (with System fallback)
 user_pref("network.trr.max-fails", 5); // lower max attempts to use DoH
 user_pref("geo.provider.use_geoclue", false); // [LINUX]
 user_pref("pdfjs.defaultZoomValue", "page-width"); // PDF zoom level
+
+

user.js

@@ -10,7 +10,7 @@
 /****************************************************************************
  * Betterfox                                                                *
  * "Ad meliora"                                                             *
- * version: 142                                                             *
+ * version: 144                                                             *
  * url: https://github.com/yokoffing/Betterfox                              *
 ****************************************************************************/
 
@@ -18,31 +18,39 @@
  * SECTION: FASTFOX                                                         *
 ****************************************************************************/
 /** GENERAL ***/
-user_pref("content.notify.interval", 100000);
+user_pref("gfx.content.skia-font-cache-size", 32);
 
 /** GFX ***/
-user_pref("gfx.canvas.accelerated.cache-size", 512);
+user_pref("gfx.canvas.accelerated.cache-items", 32768);
-user_pref("gfx.content.skia-font-cache-size", 20);
+user_pref("gfx.canvas.accelerated.cache-size", 4096);
+user_pref("webgl.max-size", 16384);
 
 /** DISK CACHE ***/
 user_pref("browser.cache.disk.enable", false);
 
 /** MEMORY CACHE ***/
+user_pref("browser.cache.memory.capacity", 131072);
+user_pref("browser.cache.memory.max_entry_size", 20480);
 user_pref("browser.sessionhistory.max_total_viewers", 4);
+user_pref("browser.sessionstore.max_tabs_undo", 10);
 
 /** MEDIA CACHE ***/
-user_pref("media.memory_cache_max_size", 65536);
+user_pref("media.memory_cache_max_size", 262144);
-user_pref("media.cache_readahead_limit", 7200);
+user_pref("media.memory_caches_combined_limit_kb", 1048576);
-user_pref("media.cache_resume_threshold", 3600);
+user_pref("media.cache_readahead_limit", 600);
+user_pref("media.cache_resume_threshold", 300);
 
 /** IMAGE CACHE ***/
-user_pref("image.mem.decode_bytes_at_a_time", 32768);
+user_pref("image.cache.size", 10485760);
+user_pref("image.mem.decode_bytes_at_a_time", 65536);
 
 /** NETWORK ***/
 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.http.request.max-start-delay", 5);
 user_pref("network.http.pacing.requests.enabled", false);
+user_pref("network.dnsCacheEntries", 10000);
 user_pref("network.dnsCacheExpiration", 3600);
 user_pref("network.ssl_tokens_cache_capacity", 10240);
 
@@ -55,16 +63,12 @@ user_pref("browser.places.speculativeConnect.enabled", false);
 user_pref("network.prefetch-next", false);
 user_pref("network.predictor.enabled", false);
 
-/** EXPERIMENTAL ***/
-user_pref("layout.css.grid-template-masonry-value.enabled", true);
-
 /****************************************************************************
  * SECTION: SECUREFOX                                                       *
 ****************************************************************************/
 /** TRACKING PROTECTION ***/
 user_pref("browser.contentblocking.category", "strict");
 user_pref("privacy.trackingprotection.allow_list.baseline.enabled", true);
-user_pref("privacy.trackingprotection.allow_list.convenience.enabled", true);
 user_pref("browser.download.start_downloads_in_tmp_dir", true);
 user_pref("browser.helperApps.deleteTempFileOnExit", true);
 user_pref("browser.uitour.enabled", false);
@@ -72,7 +76,6 @@ user_pref("privacy.globalprivacycontrol.enabled", true);
 
 /** OCSP & CERTS / HPKP ***/
 user_pref("security.OCSP.enabled", 0);
-user_pref("security.pki.crlite_mode", 2);
 user_pref("security.csp.reporting.enabled", false);
 
 /** SSL / TLS ***/
@@ -85,8 +88,8 @@ user_pref("browser.privatebrowsing.forceMediaMemoryCache", true);
 user_pref("browser.sessionstore.interval", 60000);
 
 /** SHUTDOWN & SANITIZING ***/
-user_pref("browser.privatebrowsing.resetPBM.enabled", true);
 user_pref("privacy.history.custom", true);
+user_pref("browser.privatebrowsing.resetPBM.enabled", true);
 
 /** SEARCH / URL BAR ***/
 user_pref("browser.urlbar.trimHttps", true);
@@ -180,6 +183,9 @@ user_pref("browser.privateWindowSeparation.enabled", false); // WINDOWS
 /** AI ***/
 user_pref("browser.ml.enable", false);
 user_pref("browser.ml.chat.enabled", false);
+user_pref("browser.ml.chat.menu", false);
+user_pref("browser.tabs.groups.smart.enabled", false);
+user_pref("browser.ml.linkPreview.enabled", false);
 
 /** FULLSCREEN NOTICE ***/
 user_pref("full-screen-api.transition-duration.enter", "0 0");
@@ -196,9 +202,6 @@ user_pref("browser.newtabpage.activity-stream.feeds.section.topstories", false);
 user_pref("browser.newtabpage.activity-stream.showSponsored", false);
 user_pref("browser.newtabpage.activity-stream.showSponsoredCheckboxes", false);
 
-/** POCKET ***/
-user_pref("extensions.pocket.enabled", false);
-
 /** DOWNLOADS ***/
 user_pref("browser.download.manager.addToRecentDocs", false);
 
@@ -231,8 +234,3 @@ user_pref("layout.word_select.eat_space_to_next_word", false);
 /****************************************************************************
  * END: BETTERFOX                                                           *
 ****************************************************************************/
-
-
-
-
-