v.117 (#225)

* require_safe_negotiation breaks EA

Fastfox.js

@@ -3,7 +3,7 @@
  * Fastfox                                                                              *
  * "Non ducor duco"                                                                     *
  * priority: speedy browsing                                                            *
- * version: 116                                                                         *
+ * version: 117                                                                         *
  * url: https://github.com/yokoffing/Betterfox                                          *
  ***************************************************************************************/
  
@@ -71,7 +71,7 @@ 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 +87,6 @@ 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
@@ -118,16 +111,18 @@ 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); // WINDOWS
 
 /****************************************************************************
  * 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://hacks.mozilla.org/2021/10/tab-unloading-in-firefox-93/
+// [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]
@@ -172,7 +167,7 @@ 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);
+user_pref("dom.security.sanitizer.enabled", true);
 
 // PREF: Shadowrealms [NIGHTLY]
 // [1] https://github.com/tc39/proposal-shadowrealm/blob/main/explainer.md#introduction
@@ -296,11 +291,11 @@ user_pref("layout.css.has-selector.enabled", true);
 // 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.enable", false);
 //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.disk.capacity", 5120000); // size of disk cache; default=256000; 1024000 = 1 GB, 2048000=2GB, 5120000=5GB, 8192000=8GB
+//user_pref("browser.cache.disk.max_entry_size", 51200); // 51.2 MB; DEFAULT; maximum size of an object in disk cache
+//user_pref("browser.cache.disk.metadata_memory_limit", 750); // default=250; 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)
@@ -310,7 +305,7 @@ user_pref("layout.css.has-selector.enabled", true);
 // [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
+//user_pref("browser.cache.frecency_half_life_hours", 18); // default=6
 
 // PREF: memory cache
 // The "automatic" size selection (default) is based on a decade-old table
@@ -323,9 +318,9 @@ user_pref("layout.css.has-selector.enabled", true);
 // [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.max_entry_size", 5120); // 5 MB DEFAULT; alt=25600; -1=entries bigger than than 90% of the mem-cache are never cached
 
-// 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 +329,7 @@ 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", 3);
 
 /****************************************************************************
  * SECTION: MEDIA CACHE                                                     *
@@ -398,7 +393,7 @@ 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.
@@ -413,47 +408,20 @@ 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
+// [1] https://searchfox.org/mozilla-esr115/source/modules/libpref/init/all.js#1178
+// [2] https://www.catchpoint.com/blog/http-transaction-steps
+//user_pref("network.http.connection-retry-timeout", 0); // default=250
 
 // 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.dnsCacheExpirationGracePeriod", 240); // default=60; cache DNS entries for 4 minutes after they expire
@@ -463,7 +431,7 @@ user_pref("network.dns.max_high_priority_threads", 8); // default=5
 //user_pref("network.dns.max_any_priority_threads", 5); // default=3
 
 // 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                                         *
@@ -494,7 +462,7 @@ user_pref("network.ssl_tokens_cache_capacity", 20480); // default=2048; more TLS
 // [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", 6); // DEFAULT
 
 // PREF: DNS pre-resolve <link rel="dns-prefetch">
 // Resolve hostnames ahead of time. In order to reduce latency,
@@ -545,23 +513,6 @@ user_pref("browser.places.speculativeConnect.enabled", false);
 // [9] https://web.dev/preload-critical-assets/
 //user_pref("network.preload", true); // DEFAULT
 
-// 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: `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.
@@ -580,6 +531,24 @@ user_pref("network.prefetch-next", false);
 // or
 //user_pref("network.prefetch-next", true); // DEFAULT
 
+// PREF: enable early hints [NIGHTLY]
+// [1] https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/103
+// [2] https://developer.chrome.com/blog/early-hints/
+//user_pref("network.early-hints.enabled", false); // DEFAULT
+// or
+//user_pref("network.early-hints.enabled", true);
+
+// 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", 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

Peskyfox.js

@@ -3,7 +3,7 @@
  * Peskyfox                                                                 *
  * "Aquila non capit muscas"                                                *
  * priority: remove annoyances                                              *
- * version: 116                                                             *
+ * version: 117                                                             *
  * url: https://github.com/yokoffing/Betterfox                              *
  ***************************************************************************/
 
@@ -87,7 +87,7 @@ user_pref("browser.display.focus_ring_width", 0);
 user_pref("browser.privateWindowSeparation.enabled", false); // WINDOWS
 
 // 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]
 // [NOTE] Feature still enforces Total Cookie Protection to limit 3rd-party cookie tracking [1]
@@ -387,11 +387,9 @@ 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.loadBookmarksInBackground", true); // load bookmarks in background
 
 // PREF: leave Bookmarks Menu open when selecting a site
 user_pref("browser.bookmarks.openInTabClosesMenu", false);
@@ -523,8 +521,9 @@ 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

README.md

@@ -34,15 +34,16 @@ The `user.js` — a configuration file that controls Firefox settings — is cur
 ## 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.
+1) Create a [backup profile](https://github.com/yokoffing/Betterfox/wiki/Backup).
+2) Download the user.js file [here](https://raw.githubusercontent.com/yokoffing/Betterfox/main/user.js) (Right click > `Save Link As…`).
+3) Review [Common Overrides](https://github.com/yokoffing/Betterfox/wiki/Common-Overrides) and make any necessary changes.
+4) Open Firefox. In the URL bar, type `about:profiles` and press `Enter`.
+5) For the profile you want to use (or use default), click `Open Folder` in the **Root Directory** section.
+6) 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).
+2) 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
@@ -54,7 +55,7 @@ See [Optional Hardening](https://github.com/yokoffing/Betterfox/wiki/Optional-Ha
 
 ### 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/f63e87016d88535aafa2b57d690442b9a69cbaa5/toolkit/content/license.html#L200-L224) (April 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)
 * [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)
 

Securefox.js

@@ -1,9 +1,9 @@
 
 /****************************************************************************
  * Securefox                                                                *
- * "Natura non contristatur"                                               *     
+ * "Natura non contristatur"                                                *     
  * priority: provide sensible security and privacy                          *
- * version: 116                                                             *
+ * version: 117                                                             *
  * url: https://github.com/yokoffing/Betterfox                              *                   
 ****************************************************************************/
 
@@ -47,6 +47,7 @@ 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
@@ -98,9 +99,10 @@ 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
 
@@ -116,6 +118,7 @@ user_pref("urlclassifier.features.socialtracking.skipURLs", "*.instagram.com, *.
     //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.bloburl_per_partition_key", true); // enabled with "Strict"? [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+]
@@ -276,6 +279,7 @@ user_pref("security.ssl.treat_unsafe_negotiation_as_broken", true);
 
 // PREF: require safe negotiation
 // [ERROR] SSL_ERROR_UNSAFE_NEGOTIATION
+// [WARNING] Breaks ea.com login (Sep 2023).
 // Blocks connections to servers that don't support RFC 5746 [2]
 // as they're potentially vulnerable to a MiTM attack [3].
 // A server without RFC 5746 can be safe from the attack if it
@@ -288,7 +292,7 @@ user_pref("security.ssl.treat_unsafe_negotiation_as_broken", true);
 // [2] https://datatracker.ietf.org/doc/html/rfc5746
 // [3] https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3555
 // [4] https://www.ssllabs.com/ssl-pulse/
-user_pref("security.ssl.require_safe_negotiation", true);
+//user_pref("security.ssl.require_safe_negotiation", true);
 
 // PREF: display advanced information on Insecure Connection warning pages
 // [TEST] https://expired.badssl.com/
@@ -505,6 +509,9 @@ user_pref("browser.urlbar.update2.engineAliasRefresh", true); // HIDDEN
 user_pref("browser.search.suggest.enabled", false);
 //user_pref("browser.search.suggest.enabled.private", false); // DEFAULT
 
+// disable showing trending searches
+//user_pref("browser.urlbar.suggest.trending", false); // FF119+
+
 // 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
@@ -1122,6 +1129,7 @@ user_pref("identity.fxaccounts.enabled", false);
 // 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-next", false); // [FF119+]
 
 // PREF: disable Push Notifications API [FF44+]
 // Push is an API that allows websites to send you (subscribed) messages even when the site
@@ -1310,3 +1318,4 @@ 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-overrides.js

@@ -21,9 +21,10 @@
 //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("browser.sessionhistory.max_total_viewers", 2); // only remember two pages in Back-Forward cache
 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("network.dns.disablePrefetch", false); // DEFAULT
+user_pref("network.dns.disablePrefetchFromHTTPS", false);
 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
@@ -36,6 +37,7 @@ user_pref("network.predictor.enable-prefetch", false);
 /** SECUREFOX ***/
 //user_pref("urlclassifier.features.socialtracking.skipURLs", "*.twitter.com, *.twimg.com"); // removed *.instagram.com
 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
@@ -95,6 +97,7 @@ user_pref("browser.crashReports.unsubmittedCheck.enabled", false); // true by de
 /** 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("browser.startup.preXulSkeletonUI", false); // WINDOWS
 user_pref("default-browser-agent.enabled", false); // deny Mozilla monitoring default browser (breaks "Make Default" button)
 user_pref("pdfjs.defaultZoomValue", "125"); // alt=page-width; PDF zoom level
 user_pref("gfx.font_rendering.cleartype_params.rendering_mode", 5);

user.js

@@ -10,7 +10,7 @@
 /****************************************************************************
  * Betterfox                                                                *
  * "Ad meliora"                                                             *
- * version: 116                                                             *
+ * version: 117                                                             *
  * url: https://github.com/yokoffing/Betterfox                              *
 ****************************************************************************/
 
@@ -20,12 +20,12 @@
 user_pref("nglayout.initialpaint.delay", 0);
 user_pref("nglayout.initialpaint.delay_in_oopif", 0);
 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);
+user_pref("dom.security.sanitizer.enabled", true);
 
 /** GFX ***/
 //user_pref("gfx.canvas.accelerated", true); // enable if using a dedicated GPU on WINDOWS
@@ -50,12 +50,11 @@ 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.dnsCacheEntries", 1000);
 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.ssl_tokens_cache_capacity", 10240);
 
 /** SPECULATIVE CONNECTIONS ***/
 user_pref("network.http.speculative-parallel-limit", 0);
@@ -85,7 +84,6 @@ user_pref("security.cert_pinning.enforcement_level", 2);
 
 /** SSL / TLS ***/
 user_pref("security.ssl.treat_unsafe_negotiation_as_broken", true);
-user_pref("security.ssl.require_safe_negotiation", true);
 user_pref("browser.xul.error_pages.expert_bad_cert", true);
 user_pref("security.tls.enable_0rtt_data", false);
 
@@ -198,7 +196,6 @@ 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("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);