some inactive prefs at default since 102+

- dom.vr.enabled - false FF97+
- network.http.altsvc.oe - false FF94+
- dom.netinfo.enabled - android joined desktop as false FF99+
- browser.tabs.warnOnClose - falsefalse FF94+

scratchpad-scripts/arkenfox-cleanup.js

@@ -3,7 +3,7 @@
   - removed from the arkenfox user.js
   - deprecated by Mozilla but listed in the arkenfox user.js in the past
 
-  Last updated: 31-August-2022
+  Last updated: 5-October-2022
 
   Instructions:
   - [optional] close Firefox and backup your profile
@@ -237,6 +237,18 @@
     'toolkit.telemetry.unifiedIsOptIn',
 
     /* REMOVED */
+    /* 103+ */
+    'browser.newtab.preload',
+    'browser.newtabpage.activity-stream.feeds.discoverystreamfeed',
+    'browser.newtabpage.activity-stream.feeds.snippets',
+    'browser.tabs.warnOnClose',
+    'dom.netinfo.enabled',
+    'dom.vr.enabled',
+    'extensions.formautofill.addresses.supported',
+    'extensions.formautofill.available',
+    'extensions.formautofill.creditCards.available',
+    'extensions.formautofill.creditCards.supported',
+    'network.http.altsvc.oe',
     /* 92-102 */
     'browser.urlbar.trimURLs',
     'dom.caches.enabled',

user.js

@@ -1,7 +1,7 @@
 /******
 *    name: arkenfox user.js
-*    date: 18 August 2022
-* version: 103
+*    date: 5 October 2022
+* version: 105
 *     url: https://github.com/arkenfox/user.js
 * license: MIT: https://github.com/arkenfox/user.js/blob/master/LICENSE.txt
 
@@ -87,25 +87,17 @@ user_pref("browser.shell.checkDefaultBrowser", false);
  * [SETTING] General>Startup>Restore previous session ***/
 user_pref("browser.startup.page", 0);
 /* 0103: set HOME+NEWWINDOW page
- * about:home=Activity Stream (default, see 0105), custom URL, about:blank
+ * about:home=Firefox Home (default, see 0105), custom URL, about:blank
  * [SETTING] Home>New Windows and Tabs>Homepage and new windows ***/
 user_pref("browser.startup.homepage", "about:blank");
 /* 0104: set NEWTAB page
- * true=Activity Stream (default, see 0105), false=blank page
+ * true=Firefox Home (default, see 0105), false=blank page
  * [SETTING] Home>New Windows and Tabs>New tabs ***/
 user_pref("browser.newtabpage.enabled", false);
-user_pref("browser.newtab.preload", false);
-/* 0105: disable some Activity Stream items
- * Activity Stream is the default homepage/newtab based on metadata and browsing behavior
- * [SETTING] Home>Firefox Home Content>...  to show/hide what you want ***/
-user_pref("browser.newtabpage.activity-stream.feeds.telemetry", false);
-user_pref("browser.newtabpage.activity-stream.telemetry", false);
-user_pref("browser.newtabpage.activity-stream.feeds.snippets", false); // [DEFAULT: false]
-user_pref("browser.newtabpage.activity-stream.feeds.section.topstories", false);
-user_pref("browser.newtabpage.activity-stream.section.highlights.includePocket", false);
-user_pref("browser.newtabpage.activity-stream.showSponsored", false);
-user_pref("browser.newtabpage.activity-stream.feeds.discoverystreamfeed", false); // [FF66+]
-user_pref("browser.newtabpage.activity-stream.showSponsoredTopSites", false); // [FF83+]
+/* 0105: disable sponsored content on Firefox Home (Activity Stream)
+ * [SETTING] Home>Firefox Home Content ***/
+user_pref("browser.newtabpage.activity-stream.showSponsored", false); // [FF58+] Pocket > Sponsored Stories
+user_pref("browser.newtabpage.activity-stream.showSponsoredTopSites", false); // [FF83+] Sponsored shortcuts
 /* 0106: clear default topsites
  * [NOTE] This does not block you from adding your own ***/
 user_pref("browser.newtabpage.activity-stream.default.sites", "");
@@ -183,6 +175,9 @@ user_pref("toolkit.coverage.endpoint.base", "");
 /* 0334: disable PingCentre telemetry (used in several System Add-ons) [FF57+]
  * Defense-in-depth: currently covered by 0331 ***/
 user_pref("browser.ping-centre.telemetry", false);
+/* 0335: disable Firefox Home (Activity Stream) telemetry ***/
+user_pref("browser.newtabpage.activity-stream.feeds.telemetry", false);
+user_pref("browser.newtabpage.activity-stream.telemetry", false);
 
 /** STUDIES ***/
 /* 0340: disable Studies
@@ -276,7 +271,7 @@ user_pref("_user.js.parrot", "0700 syntax error: the parrot's given up the ghost
 /* 0701: disable IPv6
  * IPv6 can be abused, especially with MAC addresses, and can leak with VPNs: assuming
  * your ISP and/or router and/or website is IPv6 capable. Most sites will fall back to IPv4
- * [STATS] Firefox telemetry (July 2021) shows ~10% of all connections are IPv6
+ * [STATS] Firefox telemetry (Sept 2022) shows ~8% of successful connections are IPv6
  * [NOTE] This is an application level fallback. Disabling IPv6 is best done at an
  * OS/network level, and/or configured properly in VPN setups. If you are not masking your IP,
  * then this won't make much difference. If you are masking your IP, then it can only help.
@@ -366,16 +361,6 @@ user_pref("browser.urlbar.suggest.quicksuggest.sponsored", false);
  * [1] https://blog.mindedsecurity.com/2011/10/autocompleteagain.html
  * [2] https://bugzilla.mozilla.org/381681 ***/
 user_pref("browser.formfill.enable", false);
-/* 0811: disable Form Autofill
- * [NOTE] Stored data is NOT secure (uses a JSON file)
- * [NOTE] Heuristics controls Form Autofill on forms without @autocomplete attributes
- * [SETTING] Privacy & Security>Forms and Autofill>Autofill addresses
- * [1] https://wiki.mozilla.org/Firefox/Features/Form_Autofill ***/
-user_pref("extensions.formautofill.addresses.enabled", false); // [FF55+]
-user_pref("extensions.formautofill.available", "off"); // [FF56+]
-user_pref("extensions.formautofill.creditCards.available", false); // [FF57+]
-user_pref("extensions.formautofill.creditCards.enabled", false); // [FF56+]
-user_pref("extensions.formautofill.heuristics.enabled", false); // [FF55+]
 /* 0820: disable coloring of visited links
  * [SETUP-HARDEN] Bulk rapid history sniffing was mitigated in 2010 [1][2]. Slower and more expensive
  * redraw timing attacks were largely mitigated in FF77+ [3]. Using RFP (4501) further hampers timing
@@ -410,7 +395,7 @@ user_pref("network.auth.subresource-http-auth-allow", 1);
 /* 0906: enforce no automatic authentication on Microsoft sites [FF91+] [WINDOWS 10+]
  * [SETTING] Privacy & Security>Logins and Passwords>Allow Windows single sign-on for...
  * [1] https://support.mozilla.org/kb/windows-sso ***/
-user_pref("network.http.windows-sso.enabled", false); // [DEFAULT: false]
+   // user_pref("network.http.windows-sso.enabled", false); // [DEFAULT: false]
 
 /*** [SECTION 1000]: DISK AVOIDANCE ***/
 user_pref("_user.js.parrot", "1000 syntax error: the parrot's gone to meet 'is maker!");
@@ -426,10 +411,6 @@ user_pref("media.memory_cache_max_size", 65536);
  * define on which sites to save extra session data such as form content, cookies and POST data
  * 0=everywhere, 1=unencrypted sites, 2=nowhere ***/
 user_pref("browser.sessionstore.privacy_level", 2);
-/* 1004: set the minimum interval between session save operations
- * Increasing this can help on older machines and some websites, as well as reducing writes [1]
- * [1] https://bugzilla.mozilla.org/1304389 ***/
-user_pref("browser.sessionstore.interval", 30000); // [DEFAULT: 15000]
 /* 1005: disable automatic Firefox start and session restore after reboot [FF62+] [WINDOWS]
  * [1] https://bugzilla.mozilla.org/603903 ***/
 user_pref("toolkit.winRegisterApplicationRestart", false);
@@ -454,7 +435,7 @@ user_pref("_user.js.parrot", "1200 syntax error: the parrot's a stiff!");
  * but the problem is that the browser can't know that. Setting this pref to true is the only way for the
  * browser to ensure there will be no unsafe renegotiations on the channel between the browser and the server
  * [SETUP-WEB] SSL_ERROR_UNSAFE_NEGOTIATION: is it worth overriding this for that one site?
- * [STATS] SSL Labs (July 2021) reports over 99% of top sites have secure renegotiation [4]
+ * [STATS] SSL Labs (Sept 2022) reports over 99.3% of top sites have secure renegotiation [4]
  * [1] https://wiki.mozilla.org/Security:Renegotiation
  * [2] https://datatracker.ietf.org/doc/html/rfc5746
  * [3] https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3555
@@ -480,7 +461,8 @@ user_pref("security.tls.enable_0rtt_data", false);
  * [SETTING] Privacy & Security>Security>Certificates>Query OCSP responder servers...
  * [1] https://en.wikipedia.org/wiki/Ocsp ***/
 user_pref("security.OCSP.enabled", 1); // [DEFAULT: 1]
-/* 1212: set OCSP fetch failures (non-stapled, see 1211) to hard-fail [SETUP-WEB]
+/* 1212: set OCSP fetch failures (non-stapled, see 1211) to hard-fail
+ * [SETUP-WEB] SEC_ERROR_OCSP_SERVER_ERROR
  * When a CA cannot be reached to validate a cert, Firefox just continues the connection (=soft-fail)
  * Setting this pref to true tells Firefox to instead terminate the connection (=hard-fail)
  * It is pointless to soft-fail when an OCSP fetch fails: you cannot confirm a cert is still valid (it
@@ -549,8 +531,6 @@ user_pref("browser.xul.error_pages.expert_bad_cert", true);
 
 /*** [SECTION 1400]: FONTS ***/
 user_pref("_user.js.parrot", "1400 syntax error: the parrot's bereft of life!");
-/* 1401: disable rendering of SVG OpenType fonts ***/
-user_pref("gfx.font_rendering.opentype_svg.enabled", false);
 /* 1402: 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
@@ -750,7 +730,10 @@ user_pref("browser.contentblocking.category", "strict");
  * [3] https://developer.mozilla.org/en-US/docs/Web/Privacy/State_Partitioning#storage_access_heuristics ***/
    // user_pref("privacy.antitracking.enableWebcompat", false);
 /* 2710: enable state partitioning of service workers [FF96+] ***/
-user_pref("privacy.partition.serviceWorkers", true);
+user_pref("privacy.partition.serviceWorkers", true); // [DEFAULT: true FF105+]
+/* 2720: enable APS (Always Partitioning Storage) ***/
+user_pref("privacy.partition.always_partition_third_party_non_cookie_storage", true); // [FF104+]
+user_pref("privacy.partition.always_partition_third_party_non_cookie_storage.exempt_sessionstorage", false); // [FF105+]
 
 /*** [SECTION 2800]: SHUTDOWN & SANITIZING ***/
 user_pref("_user.js.parrot", "2800 syntax error: the parrot's bleedin' demised!");
@@ -1003,6 +986,15 @@ user_pref("_user.js.parrot", "5000 syntax error: the parrot's taken 'is last bow
  * 0=desktop, 1=downloads (default), 2=last used
  * [SETTING] To set your default "downloads": General>Downloads>Save files to ***/
    // user_pref("browser.download.folderList", 2);
+/* 5017: disable Form Autofill
+ * If .supportedCountries includes your region (browser.search.region) and .supported
+ * is "detect" (default), then the UI will show. Stored data is not secure, uses JSON
+ * [NOTE] Heuristics controls Form Autofill on forms without @autocomplete attributes
+ * [SETTING] Privacy & Security>Forms and Autofill>Autofill addresses
+ * [1] https://wiki.mozilla.org/Firefox/Features/Form_Autofill ***/
+   // user_pref("extensions.formautofill.addresses.enabled", false); // [FF55+]
+   // user_pref("extensions.formautofill.creditCards.enabled", false); // [FF56+]
+   // user_pref("extensions.formautofill.heuristics.enabled", false); // [FF55+]
 
 /*** [SECTION 5500]: OPTIONAL HARDENING
    Not recommended. Overriding these can cause breakage and performance issues,
@@ -1041,6 +1033,8 @@ user_pref("_user.js.parrot", "5500 syntax error: this is an ex-parrot!");
  * [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);
+/* 5507: disable rendering of SVG OpenType fonts ***/
+   // user_pref("gfx.font_rendering.opentype_svg.enabled", false);
 
 /*** [SECTION 6000]: DON'T TOUCH ***/
 user_pref("_user.js.parrot", "6000 syntax error: the parrot's 'istory!");
@@ -1083,6 +1077,14 @@ user_pref("extensions.webcompat-reporter.enabled", false); // [DEFAULT: false]
    // user_pref("privacy.firstparty.isolate.use_site", "");
    // user_pref("privacy.window.name.update.enabled", "");
    // user_pref("security.insecure_connection_text.enabled", "");
+/* 6051: prefsCleaner: reset items removed from arkenfox FF102+ ***/
+   // user_pref("browser.newtab.preload", "");
+   // user_pref("browser.newtabpage.activity-stream.feeds.discoverystreamfeed", "");
+   // user_pref("browser.newtabpage.activity-stream.feeds.snippets", "");
+   // user_pref("extensions.formautofill.available", "");
+   // user_pref("extensions.formautofill.addresses.supported", "");
+   // user_pref("extensions.formautofill.creditCards.available", "");
+   // user_pref("extensions.formautofill.creditCards.supported", "");
 
 /*** [SECTION 7000]: DON'T BOTHER ***/
 user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies!");
@@ -1257,6 +1259,9 @@ user_pref("browser.startup.homepage_override.mstone", "ignore"); // master switc
    // user_pref("accessibility.typeaheadfind", true); // enable "Find As You Type"
    // user_pref("clipboard.autocopy", false); // disable autocopy default [LINUX]
    // user_pref("layout.spellcheckDefault", 2); // 0=none, 1-multi-line, 2=multi-line & single-line
+/* FIREFOX HOME CONTENT ***/
+   // user_pref("browser.newtabpage.activity-stream.feeds.section.topstories", false); // Recommended by Pocket
+   // user_pref("browser.newtabpage.activity-stream.section.highlights.includePocket", false);
 /* HTML5 MEDIA AUTOPLAY ***/
    // [NOTE] You can set exceptions under site permissions
    // user_pref("media.autoplay.default", 5); // [FF63+]
@@ -1286,6 +1291,8 @@ user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons", fa
       // [SETTING] General>Browsing>Recommend extensions as you browse
 user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features", false); // disable CFR [FF67+]
       // [SETTING] General>Browsing>Recommend features as you browse
+   // user_pref("browser.sessionstore.interval", 30000); // minimum interval between session save operations
+      // Increasing this may help on older machines and some websites, as well as reducing writes (1304389)
    // user_pref("network.manage-offline-status", false); // see bugzilla 620472
    // user_pref("xpinstall.signatures.required", false); // enforced extension signing (Nightly/ESR)
 
@@ -1351,7 +1358,7 @@ user_pref("dom.storage.next_gen", true); // [DEFAULT: true FF92+]
    // 2801: delete cookies and site data on exit - replaced by sanitizeOnShutdown* (2810)
    // 0=keep until they expire (default), 2=keep until you close Firefox
    // [SETTING] Privacy & Security>Cookies and Site Data>Delete cookies and site data when Firefox is closed
-   // [-] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1681493,1681495,1681498,1759665
+   // [-] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1681493,1681495,1681498,1759665,1764761
 user_pref("network.cookie.lifetimePolicy", 2);
 // 6012: disable SHA-1 certificates
    // [-] https://bugzilla.mozilla.org/1766687