be consistent

JFC

scratchpad-scripts/arkenfox-cleanup.js

@@ -6,7 +6,7 @@
   There is an archived version at https://github.com/arkenfox/user.js/issues/123
   if you want the full list since jesus
 
-  Last updated: 5-March-2025
+  Last updated: 12-November-2025
 
   Instructions:
   - [optional] close Firefox and backup your profile
@@ -36,6 +36,9 @@
   const aPREFS = [
     /* DEPRECATED */
     /* 129-140 */
+    'browser.shopping.experience2023.enabled', // 140
+    'browser.urlbar.pocket.featureGate', // 140
+    'media.ondevicechange.enabled', // 137
     'webchannel.allowObject.urlWhitelist', // 132
     /* 116-128 */
     'browser.contentanalysis.default_allow', // 127
@@ -73,6 +76,11 @@
     'security.ssl3.rsa_des_ede3_sha', // 93
 
     /* REMOVED */
+    /* 141-153 */
+    'browser.display.use_system_colors',
+    'browser.urlbar.fakespot.featureGate',
+    'security.OCSP.enabled',
+    'security.OCSP.require',
     /* 129-140 */
     'dom.securecontext.allowlist_onions',
     'network.http.referer.hideOnionSource',

user.js

@@ -1,7 +1,7 @@
 /******
 *    name: arkenfox user.js
-*    date: 6 March 2025
+*    date: 15 November 2025
-* version: 135
+* version: 144
 *    urls: https://github.com/arkenfox/user.js [repo]
 *        : https://arkenfox.github.io/gui/ [interactive]
 * license: MIT: https://github.com/arkenfox/user.js/blob/master/LICENSE.txt
@@ -23,6 +23,7 @@
        [SETUP-SECURITY] it's one item, read it
             [SETUP-WEB] can cause some websites to break
          [SETUP-CHROME] changes how Firefox itself behaves (i.e. not directly website related)
+         [SETUP-HARDEN] prefs you may like to add to overrides
   6. Override Recipes: https://github.com/arkenfox/user.js/issues/1080
 
 * RELEASES: https://github.com/arkenfox/user.js/releases
@@ -31,7 +32,7 @@
     - DON'T wait for arkenfox to update Firefox, nothing major changes these days
   * Each release
     - run prefsCleaner to reset prefs made inactive, including deprecated (9999)
-  * ESR
+  * ESR (Extended Support Release)
     - It is recommended to not use the updater, or you will get a later version which may cause issues.
       So you should manually append your overrides (and keep a copy), and manually update when you
       change ESR releases (arkenfox is already past that release)
@@ -46,7 +47,7 @@
   0600: BLOCK IMPLICIT OUTBOUND
   0700: DNS / DoH / PROXY / SOCKS
   0800: LOCATION BAR / SEARCH BAR / SUGGESTIONS / HISTORY / FORMS
-  0900: PASSWORDS
+  0900: PASSWORDS / PASSKEYS
   1000: DISK AVOIDANCE
   1200: HTTPS (SSL/TLS / OCSP / CERTS / HPKP)
   1600: REFERERS
@@ -83,21 +84,22 @@ user_pref("browser.aboutConfig.showWarning", false);
 user_pref("_user.js.parrot", "0100 syntax error: the parrot's dead!");
 /* 0102: set startup page [SETUP-CHROME]
  * 0=blank, 1=home, 2=last visited page, 3=resume previous session
- * [NOTE] Session Restore is cleared with history (2811+), and not used in Private Browsing mode
+ * [NOTE] Session Restore is cleared if history is also cleared (2811+), and not used in Private Browsing mode
  * [SETTING] General>Startup>Restore previous session ***/
 user_pref("browser.startup.page", 0);
 /* 0103: set HOME+NEWWINDOW page
- * about:home=Firefox Home (default, see 0105), custom URL, about:blank
+ * about:home=Firefox Home (default, see 0105), custom URLs..., Blank Page
  * [SETTING] Home>New Windows and Tabs>Homepage and new windows ***/
-user_pref("browser.startup.homepage", "about:blank");
+user_pref("browser.startup.homepage", "chrome://browser/content/blanktab.html");
 /* 0104: set NEWTAB page
  * true=Firefox Home (default, see 0105), false=blank page
  * [SETTING] Home>New Windows and Tabs>New tabs ***/
 user_pref("browser.newtabpage.enabled", false);
 /* 0105: disable sponsored content on Firefox Home (Activity Stream)
  * [SETTING] Home>Firefox Home Content ***/
-user_pref("browser.newtabpage.activity-stream.showSponsored", false); // [FF58+]
+user_pref("browser.newtabpage.activity-stream.showSponsored", false); // [FF58+] Sponsored stories
-user_pref("browser.newtabpage.activity-stream.showSponsoredTopSites", false); // [FF83+] Shortcuts>Sponsored shortcuts
+user_pref("browser.newtabpage.activity-stream.showSponsoredTopSites", false); // [FF83+] Sponsored shortcuts
+user_pref("browser.newtabpage.activity-stream.showSponsoredCheckboxes", false); // [FF140+] Support Firefox
 /* 0106: clear default topsites
  * [NOTE] This does not block you from adding your own ***/
 user_pref("browser.newtabpage.activity-stream.default.sites", "");
@@ -121,11 +123,8 @@ user_pref("extensions.htmlaboutaddons.recommendations.enabled", false);
  * [SETTING] Privacy & Security>Firefox Data Collection and Use>Allow personalized extension recommendations
  * [1] https://support.mozilla.org/kb/personalized-extension-recommendations ***/
 user_pref("browser.discovery.enabled", false);
-/* 0323: disable shopping experience [FF116+]
- * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1840156#c0 ***/
-user_pref("browser.shopping.experience2023.enabled", false); // [DEFAULT: false]
 
-/** TELEMETRY ***/
+/** ACTIVITY STREAM ***/
 /* 0335: disable Firefox Home (Activity Stream) telemetry ***/
 user_pref("browser.newtabpage.activity-stream.feeds.telemetry", false);
 user_pref("browser.newtabpage.activity-stream.telemetry", false);
@@ -206,7 +205,7 @@ user_pref("network.prefetch-next", false);
 user_pref("network.dns.disablePrefetch", true);
 user_pref("network.dns.disablePrefetchFromHTTPS", true);
 /* 0603: disable predictor / prefetching ***/
-user_pref("network.predictor.enabled", false);
+user_pref("network.predictor.enabled", false); // [DEFAULT: false FF144+]
 user_pref("network.predictor.enable-prefetch", false); // [FF48+] [DEFAULT: false]
 /* 0604: disable link-mouseover opening connection to linked server
  * [1] https://news.slashdot.org/story/15/08/14/2321202/how-to-quash-firefoxs-silent-requests ***/
@@ -285,15 +284,18 @@ user_pref("browser.urlbar.suggest.searches", false);
 user_pref("browser.urlbar.trending.featureGate", false);
 /* 0806: disable urlbar suggestions ***/
 user_pref("browser.urlbar.addons.featureGate", false); // [FF115+]
-user_pref("browser.urlbar.fakespot.featureGate", false); // [FF130+] [DEFAULT: false]
+user_pref("browser.urlbar.amp.featureGate", false); // [FF141+] adMarketplace
-user_pref("browser.urlbar.mdn.featureGate", false); // [FF117+] [HIDDEN PREF]
+user_pref("browser.urlbar.importantDates.featureGate", false); // [FF143+]
-user_pref("browser.urlbar.pocket.featureGate", false); // [FF116+] [DEFAULT: false]
+user_pref("browser.urlbar.market.featureGate", false); // [FF143+] stock market
-user_pref("browser.urlbar.weather.featureGate", false); // [FF108+] [DEFAULT: false]
+user_pref("browser.urlbar.mdn.featureGate", false); // [FF117+]
+user_pref("browser.urlbar.weather.featureGate", false); // [FF108+]
+user_pref("browser.urlbar.wikipedia.featureGate", false); // [FF141+]
 user_pref("browser.urlbar.yelp.featureGate", false); // [FF124+]
+user_pref("browser.urlbar.yelpRealtime.featureGate", false); // [FF144+]
 /* 0807: disable urlbar clipboard suggestions [FF118+] ***/
    // user_pref("browser.urlbar.clipboard.featureGate", false);
 /* 0808: disable recent searches [FF120+]
- * [NOTE] Recent searches are cleared with history (2811+)
+ * [NOTE] Recent searches are cleared if history is cleared (2811+)
  * [1] https://support.mozilla.org/kb/search-suggestions-firefox ***/
    // user_pref("browser.urlbar.recentsearches.featureGate", false);
 /* 0810: disable search and form history
@@ -310,7 +312,7 @@ user_pref("browser.formfill.enable", false);
 /* 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
- * attacks. Don't forget clearing history on exit (2811+). However, social engineering [2#limits][4][5]
+ * attacks. History can also be cleared on exit (2811+). However, social engineering [2#limits][4][5]
  * and advanced targeted timing attacks could still produce usable results
  * [1] https://developer.mozilla.org/docs/Web/CSS/Privacy_and_the_:visited_selector
  * [2] https://dbaron.org/mozilla/visited-privacy
@@ -323,14 +325,14 @@ user_pref("browser.formfill.enable", false);
 user_pref("browser.search.separatePrivateDefault", true); // [FF70+]
 user_pref("browser.search.separatePrivateDefault.ui.enabled", true); // [FF71+]
 
-/*** [SECTION 0900]: PASSWORDS
+/*** [SECTION 0900]: PASSWORDS / PASSKEYS
    [1] https://support.mozilla.org/kb/use-primary-password-protect-stored-logins-and-pas
 ***/
 user_pref("_user.js.parrot", "0900 syntax error: the parrot's expired!");
 /* 0903: disable auto-filling username & password form fields
  * can leak in cross-site forms *and* be spoofed
  * [NOTE] Username & password is still available when you enter the field
- * [SETTING] Privacy & Security>Logins and Passwords>Autofill logins and passwords
+ * [SETTING] Privacy & Security>Passwords>Autofill logins and passwords
  * [1] https://freedom-to-tinker.com/2017/12/27/no-boundaries-for-user-identities-web-trackers-exploit-browser-login-managers/
  * [2] https://homes.esat.kuleuven.be/~asenol/leaky-forms/ ***/
 user_pref("signon.autofillForms", false);
@@ -349,6 +351,9 @@ user_pref("network.auth.subresource-http-auth-allow", 1);
 /* 0907: enforce no automatic authentication on Microsoft sites [FF131+] [MAC]
  * On macOS, SSO only works on corporate devices ***/
    // user_pref("network.http.microsoft-entra-sso.enabled", false); // [DEFAULT: false]
+/* 0910: enforce no direct attestation in passkeys [FF144+]
+   // [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1981587 ***/
+user_pref("security.webauthn.always_allow_direct_attestation", false); // [DEFAULT: false]
 
 /*** [SECTION 1000]: DISK AVOIDANCE ***/
 user_pref("_user.js.parrot", "1000 syntax error: the parrot's gone to meet 'is maker!");
@@ -402,29 +407,6 @@ user_pref("security.ssl.require_safe_negotiation", true);
  * [3] https://blog.cloudflare.com/tls-1-3-overview-and-q-and-a/ ***/
 user_pref("security.tls.enable_0rtt_data", false);
 
-/** OCSP (Online Certificate Status Protocol)
-   [1] https://scotthelme.co.uk/revocation-is-broken/
-   [2] https://blog.mozilla.org/security/2013/07/29/ocsp-stapling-in-firefox/
-***/
-/* 1211: enforce OCSP fetching to confirm current validity of certificates
- * 0=disabled, 1=enabled (default), 2=enabled for EV certificates only
- * OCSP (non-stapled) leaks information about the sites you visit to the CA (cert authority)
- * It's a trade-off between security (checking) and privacy (leaking info to the CA)
- * [NOTE] This pref only controls OCSP fetching and does not affect OCSP stapling
- * [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] SEC_ERROR_OCSP_SERVER_ERROR | SEC_ERROR_OCSP_UNAUTHORIZED_REQUEST
- * 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
- * could have been revoked) and/or you could be under attack (e.g. malicious blocking of OCSP servers)
- * [1] https://blog.mozilla.org/security/2013/07/29/ocsp-stapling-in-firefox/
- * [2] https://www.imperialviolet.org/2014/04/19/revchecking.html
- * [3] https://letsencrypt.org/2024/12/05/ending-ocsp/ ***/
-user_pref("security.OCSP.require", true);
-
 /** CERTS / HPKP (HTTP Public Key Pinning) ***/
 /* 1223: enable strict PKP (Public Key Pinning)
  * 0=disabled, 1=allow user MiTM (default; such as your antivirus), 2=strict
@@ -433,12 +415,13 @@ user_pref("security.cert_pinning.enforcement_level", 2);
 /* 1224: enable CRLite [FF73+]
  * 0 = disabled
  * 1 = consult CRLite but only collect telemetry
- * 2 = consult CRLite and enforce both "Revoked" and "Not Revoked" results
+ * 2 = consult CRLite and enforce both "Revoked" and "Not Revoked" results (default)
- * 3 = consult CRLite and enforce "Not Revoked" results, but defer to OCSP for "Revoked" (default)
+ * 3 = consult CRLite and enforce "Not Revoked" results, but defer to OCSP for "Revoked" (removed FF145)
  * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1429800,1670985,1753071
- * [2] https://blog.mozilla.org/security/tag/crlite/ ***/
+ * [2] https://blog.mozilla.org/security/tag/crlite/
+ * [3] https://hacks.mozilla.org/2025/08/crlite-fast-private-and-comprehensive-certificate-revocation-checking-in-firefox/ ***/
 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+]
 
 /** MIXED CONTENT ***/
 /* 1241: disable insecure passive content (such as images) on https pages ***/
@@ -562,15 +545,19 @@ user_pref("network.IDN_show_punycode", true);
  * [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=pdf.js+firefox ***/
 user_pref("pdfjs.disabled", false); // [DEFAULT: false]
 user_pref("pdfjs.enableScripting", false); // [FF86+]
-/* 2624: disable middle click on new tab button opening URLs or searches using clipboard [FF115+] */
+/* 2624: disable middle click on new tab button opening URLs or searches using clipboard [FF115+] ***/
 user_pref("browser.tabs.searchclipboardfor.middleclick", false); // [DEFAULT: false NON-LINUX]
 /* 2630: disable content analysis by DLP (Data Loss Prevention) agents
  * 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.
  * 0=Block all requests, 1=Warn on all requests (which lets the user decide), 2=Allow all requests
- * [1] https://github.com/chromium/content_analysis_sdk */
+ * [1] https://github.com/chromium/content_analysis_sdk ***/
 user_pref("browser.contentanalysis.enabled", false); // [FF121+] [DEFAULT: false]
 user_pref("browser.contentanalysis.default_result", 0); // [FF127+] [DEFAULT: 0]
+/* 2635: disable referrer and storage access for resources injected by content scripts [FF139+] ***/
+user_pref("privacy.antitracking.isolateContentScriptResources", true);
+/* 2640: disable CSP Level 2 Reporting [FF140+] ***/
+user_pref("security.csp.reporting.enabled", false);
 
 /** DOWNLOADS ***/
 /* 2651: enable user interaction for security by always asking where to download
@@ -610,15 +597,26 @@ user_pref("_user.js.parrot", "2700 syntax error: the parrot's joined the bleedin
  * [SETTING] to add site exceptions: Urlbar>ETP Shield
  * [SETTING] to manage site exceptions: Options>Privacy & Security>Enhanced Tracking Protection>Manage Exceptions ***/
 user_pref("browser.contentblocking.category", "strict"); // [HIDDEN PREF]
-/* 2702: disable ETP web compat features [FF93+]
+/* 2702: disable ETP web compat features (about:compat) [FF93+]
  * [SETUP-HARDEN] Includes skip lists, heuristics (SmartBlock) and automatic grants
  * Opener and redirect heuristics are granted for 30 days, see [3]
  * [1] https://blog.mozilla.org/security/2021/07/13/smartblock-v2/
  * [2] https://hg.mozilla.org/mozilla-central/rev/e5483fd469ab#l4.12
  * [3] https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning#storage_access_heuristics ***/
    // user_pref("privacy.antitracking.enableWebcompat", false);
+/* 2705: set ETP Strict/Custom exception lists (FF141+)
+ [SETTING] Options>Privacy & Security>Enhanced Tracking Protection>Strict/Custom>Fix major [baseline] | minor [convenience]
+ [1] https://support.mozilla.org/en-US/kb/manage-enhanced-tracking-protection-exceptions
+ [2] https://etp-exceptions.mozilla.org/ ***/
+user_pref("privacy.trackingprotection.allow_list.baseline.enabled", true); // [DEFAULT: true]
+user_pref("privacy.trackingprotection.allow_list.convenience.enabled", true); // [DEFAULT: true]
 
-/*** [SECTION 2800]: SHUTDOWN & SANITIZING ***/
+/*** [SECTION 2800]: SHUTDOWN & SANITIZING
+   We enable sanitizeOnShutdown to help prevent 1st party website tracking across sessions.
+   We consider history/downloads, which are not accessible to websites, as orthogonal and exempt these
+
+   [SETUP-HARDEN] to clear all history/downloads on close, add the appropriate overrides from 2800's
+***/
 user_pref("_user.js.parrot", "2800 syntax error: the parrot's bleedin' demised!");
 /* 2810: enable Firefox to clear items on shutdown
  * [NOTE] In FF129+ clearing "siteSettings" on shutdown (2811+), or manually via site data (2820+) and
@@ -629,11 +627,11 @@ user_pref("privacy.sanitize.sanitizeOnShutdown", true);
 /** SANITIZE ON SHUTDOWN: IGNORES "ALLOW" SITE EXCEPTIONS ***/
 /* 2811: set/enforce clearOnShutdown items (if 2810 is true) [SETUP-CHROME] [FF128+] ***/
 user_pref("privacy.clearOnShutdown_v2.cache", true); // [DEFAULT: true]
-user_pref("privacy.clearOnShutdown_v2.historyFormDataAndDownloads", true); // [DEFAULT: true]
+user_pref("privacy.clearOnShutdown_v2.historyFormDataAndDownloads", false); // [DEFAULT: true]
    // user_pref("privacy.clearOnShutdown_v2.siteSettings", false); // [DEFAULT: false]
 /* 2812: set/enforce clearOnShutdown items [FF136+] ***/
-user_pref("privacy.clearOnShutdown_v2.browsingHistoryAndDownloads", true); // [DEFAULT: true]
+user_pref("privacy.clearOnShutdown_v2.browsingHistoryAndDownloads", false); // [DEFAULT: true]
-user_pref("privacy.clearOnShutdown_v2.downloads", true);
+user_pref("privacy.clearOnShutdown_v2.downloads", false); // [HIDDEN]
 user_pref("privacy.clearOnShutdown_v2.formdata", true);
 /* 2813: set Session Restore to clear on shutdown (if 2810 is true) [FF34+]
  * [NOTE] Not needed if Session Restore is not used (0102) or it is already cleared with history (2811+)
@@ -653,12 +651,12 @@ user_pref("privacy.clearOnShutdown_v2.cookiesAndStorage", true);
 /* 2820: set manual "Clear Data" items [SETUP-CHROME] [FF128+]
  * Firefox remembers your last choices. This will reset them when you start Firefox
  * [SETTING] Privacy & Security>Browser Privacy>Cookies and Site Data>Clear Data ***/
-user_pref("privacy.clearSiteData.cache", true);
+user_pref("privacy.clearSiteData.cache", true); // [DEFAULT: true]
 user_pref("privacy.clearSiteData.cookiesAndStorage", false); // keep false until it respects "allow" site exceptions
-user_pref("privacy.clearSiteData.historyFormDataAndDownloads", true);
+user_pref("privacy.clearSiteData.historyFormDataAndDownloads", false);
    // user_pref("privacy.clearSiteData.siteSettings", false);
 /* 2821: set manual "Clear Data" items [FF136+] ***/
-user_pref("privacy.clearSiteData.browsingHistoryAndDownloads", true);
+user_pref("privacy.clearSiteData.browsingHistoryAndDownloads", false);
 user_pref("privacy.clearSiteData.formdata", true);
 
 /** SANITIZE HISTORY: IGNORES "ALLOW" SITE EXCEPTIONS ***/
@@ -667,10 +665,10 @@ user_pref("privacy.clearSiteData.formdata", true);
  * [SETTING] Privacy & Security>History>Custom Settings>Clear History ***/
 user_pref("privacy.clearHistory.cache", true); // [DEFAULT: true]
 user_pref("privacy.clearHistory.cookiesAndStorage", false);
-user_pref("privacy.clearHistory.historyFormDataAndDownloads", true); // [DEFAULT: true]
+user_pref("privacy.clearHistory.historyFormDataAndDownloads", false); // [DEFAULT: true]
    // user_pref("privacy.clearHistory.siteSettings", false); // [DEFAULT: false]
 /* 2831: set manual "Clear History" items [FF136+] ***/
-user_pref("privacy.clearHistory.browsingHistoryAndDownloads", true); // [DEFAULT: true]
+user_pref("privacy.clearHistory.browsingHistoryAndDownloads", false); // [DEFAULT: true]
 user_pref("privacy.clearHistory.formdata", true);
 
 /** SANITIZE MANUAL: TIMERANGE ***/
@@ -689,13 +687,20 @@ user_pref("privacy.sanitize.timeSpan", 0);
    on a per site basis for compatibility (4004).
 
    https://searchfox.org/mozilla-central/source/toolkit/components/resistfingerprinting/RFPTargetsDefault.inc
+   https://support.mozilla.org/en-US/kb/firefox-protection-against-fingerprinting#w_how-does-each-protection-work
 
    [NOTE] RFPTargets + granular overrides are somewhat experimental and may produce unexpected results
    - e.g. FrameRate can only be controlled per process, not per origin
 
-   1826408 - restrict fonts to system (kBaseFonts + kLangPackFonts) (Windows, Mac, some Linux)
+   1826408 - restrict to system fonts (kBaseFonts + kLangPackFonts) (Windows, Mac, some Linux) (FF119+)
+      1928705: android (FF134+)
       https://searchfox.org/mozilla-central/search?path=StandardFonts*.inc
    1858181 - subtly randomize canvas per eTLD+1, per session and per window-mode (FF120+)
+   1887682 - use fdlibm's sin, cos and tan in jsmath (FF134+)
+   1954194 - available screen resolution: return a fixed offset height from screen per platform when not full screen (FF143+)
+   1984333 - hardwareConcurrency: less than 8 return 4 else return 8 (FF143+)
+   1977836 - maxTouchPoints: return multi-touch as 5 (FF143+)
+   1917607 - subtly randomize WebGL's readPixels (FF145+)
 ***/
 user_pref("_user.js.parrot", "4000 syntax error: the parrot's bereft of life!");
 /* 4001: enable FPP in PB mode [FF114+]
@@ -720,18 +725,17 @@ user_pref("_user.js.parrot", "4000 syntax error: the parrot's bereft of life!");
 
    FF128+ Arkenfox by default uses FPP (automatically enabled with ETP Strict). For most people
    this is all you need. To use RFP instead, add RFP (4501) to your overrides, and optionally
-   add letterboxing (4504), spoof_english (4506), and webgl (4520).
+   add letterboxing (4504), spoof_english (4506), and WebGL (4520).
 
    RFP is an all-or-nothing buy in: you cannot pick and choose what parts you want
 
    [WARNING] DO NOT USE extensions to alter RFP protected metrics
 
     418986 - limit window.screen & CSS media queries (FF41)
-   1360039 - spoof navigator.hardwareConcurrency as 2 (FF55)
  FF56
    1333651 - spoof User Agent & Navigator API
-      JS: spoofed as Windows 10, OS 10.15, Android 10, or Linux
+      JS: spoofed as Windows 10, OS X 10.15, Android 10, or Linux
-      HTTP Header: spoofed as Windows 10 or Android 10.15 until FF136 then matches JS spoof
+      HTTP Header: spoofed as Windows 10 or Android 10 until FF136 then matches JS spoof
    1369319 - disable device sensor API
    1369357 - disable site specific zoom
    1337161 - hide gamepads from content
@@ -750,10 +754,12 @@ user_pref("_user.js.parrot", "4000 syntax error: the parrot's bereft of life!");
    1222285 & 1433592 - spoof keyboard events and suppress keyboard modifier events (FF59)
       Spoofing mimics the content language of the document. Currently it only supports en-US.
       Modifier events suppressed are SHIFT and both ALT keys. Chrome is not affected.
-   1337157 - disable WebGL debug renderer info (FF60)
    1459089 - disable OS locale in HTTP Accept-Language headers (ANDROID) (FF62)
    1479239 - return "no-preference" with prefers-reduced-motion (FF63)
-   1363508 & 1826051 - spoof/suppress Pointer Events (FF64, FF132)
+   1363508 & 1826051 & 1957658 - spoof/suppress Pointer Events, spoof maxTouchPoints (FF64, FF132, FF143, ESR140.2)
+       FF64: maxTouchPoints: 0 = desktop
+      FF132: maxTouchPoints: 0 = mac | 10 = windows, linux, mobile
+      FF143/140.2: maxTouchPoints: 0 = mac, linux | 10 = windows | 5 = mobile
    1492766 - spoof pointerEvent.pointerid (FF65)
    1485266 - disable exposure of system colors to CSS or canvas (FF67)
    1494034 - return "light" with prefers-color-scheme (FF67)
@@ -765,19 +771,29 @@ user_pref("_user.js.parrot", "4000 syntax error: the parrot's bereft of life!");
    1653987 - limit font visibility to bundled and "Base Fonts" (Windows, Mac, some Linux) (FF80)
    1461454 - spoof smooth=true and powerEfficient=false for supported media in MediaCapabilities (FF82)
     531915 - use fdlibm's sin, cos and tan in jsmath (FF93, ESR91.1)
-   1756280 - enforce navigator.pdfViewerEnabled as true and plugins/mimeTypes as hard-coded values (FF100-115)
    1692609 - reduce JS timing precision to 16.67ms (previously FF55+ was 100ms) (FF102)
    1422237 - return "srgb" with color-gamut (FF110)
    1794628 - return "none" with inverted-colors (FF114)
    1787790 - normalize system fonts (FF128)
    1835987 - spoof timezone as Atlantic/Reykjavik (previously FF55+ was UTC) (FF128)
+   1656377 - spoof pointerEvents azimuthAngle and altitudeAngle (FF131)
    1834307 - always use smooth scrolling (FF132)
    1918202 - spoof screen orientation based on spoofed screen size and platform (FF132)
-      previously it always returned landscape-primary and an angle of 0 (FF50+)
+      previously FF50+ it always returned landscape-primary and an angle of 0
    1390465 - load all subtitles in WebVTT (Video Text Tracks) (FF133)
    1873382 - make spoofed devicePixelRatio and CSS media queries match (FF133)
       previously FF41+ devicePixelRatio was hardcoded as 1 and FF127+ as 2
       previously FF41+ CSS media queries were spoofed as zoom level at a devicePixelRatio of 1
+   1955425 - return 128 for WebGPU subgroupMaxSize (FF138)
+   1966860 - spoof WebGL debug renderer info (FF140)
+      previously FF60+ it was disabled
+   1781277 - return 10GiB for storage estimate until persistent-storage granted (FF142, ESR140.1)
+   1972600 - spoof network connection for HTMLMediaElement preload (FF142, ESR140.1)
+   1975851 - return true for navigator.onLine (FF142, ESR140.1)
+   1973265 - disable WebCodecs API (FF142)
+   1984333 - spoof navigator.hardwareConcurrency as 4 except mac return 8 (FF143)
+       previously FF55+ it returned 2
+   1999126 - enforce navigator.pdfViewerEnabled as true and plugins/mimeTypes as hard-coded values (FF147)
 ***/
 user_pref("_user.js.parrot", "4500 syntax error: the parrot's popped 'is clogs");
 /* 4501: enable RFP
@@ -799,16 +815,17 @@ user_pref("privacy.resistFingerprinting.block_mozAddonManager", true);
  * Dynamically resizes the inner window by applying margins in stepped ranges [2]
  * If you use the dimension pref, then it will only apply those resolutions.
  * The format is "width1xheight1, width2xheight2, ..." (e.g. "800x600, 1000x1000")
- * [SETUP-WEB] This is independent of RFP (4501). If you're not using RFP, or you are but
+ * [SETUP-WEB] This is independent of RFP (4501). If you're using RFP, but dislike the
- * dislike the margins, then flip this pref, keeping in mind that it is effectively fingerprintable
+ * margins, then don't enable this pref, keeping in mind that it is effectively fingerprintable
  * [WARNING] DO NOT USE: the dimension pref is only meant for testing
  * [1] https://bugzilla.mozilla.org/1407366
  * [2] https://hg.mozilla.org/mozilla-central/rev/7211cb4f58ff#l5.13 ***/
    // user_pref("privacy.resistFingerprinting.letterboxing", true); // [HIDDEN PREF]
    // user_pref("privacy.resistFingerprinting.letterboxing.dimensions", ""); // [HIDDEN PREF]
 /* 4505: disable RFP by domain [FF91+]
- * [NOTE] Working examples: "arkenfox.github.io", "*github.io"
+ * [NOTE]: The pref takes comma separated values: e.g. "*domain1.tld, *domain2.tld"
- * Non-working examples: "https://arkenfox.github.io", "github.io", "*arkenfox.github.io" ***/
+ * Working domain examples: "arkenfox.github.io", "*github.io"
+ * Non-working domain examples: "https://arkenfox.github.io", "github.io", "*arkenfox.github.io" ***/
    // user_pref("privacy.resistFingerprinting.exemptedDomains", "*.example.invalid");
 /* 4506: disable RFP spoof english prompt [FF59+]
  * 0=prompt, 1=disabled, 2=enabled
@@ -816,9 +833,12 @@ user_pref("privacy.resistFingerprinting.block_mozAddonManager", true);
  * [SETUP-WEB] when enabled, sets 'en-US, en' for displaying pages and 'en-US' as locale.
  * [SETTING] General>Language>Choose your preferred language for displaying pages>Choose>Request English... ***/
 user_pref("privacy.spoof_english", 1);
-/* 4510: disable using system colors
+/* 4507: skip browser.startup.blankWindow if RFP is used [FF136+] ***/
- * [SETTING] General>Language and Appearance>Fonts and Colors>Colors>Use system colors ***/
+   // user_pref("privacy.resistFingerprinting.skipEarlyBlankFirstPaint", true); // [DEFAULT: true]
-user_pref("browser.display.use_system_colors", false); // [DEFAULT: false NON-WINDOWS]
+/* 4510: enforce Contrast Control off [FF138+]
+ * 0=automatic, 1=off, 2=custom
+ * [SETTING] General>Language and Appearance>Contrast Control ***/
+   // user_pref("browser.display.document_color_use", 1); // [DEFAULT: 1 NON-WINDOWS]
 /* 4511: disable using system accent colors ***/
 user_pref("widget.non-native-theme.use-theme-accent", false); // [DEFAULT: false WINDOWS]
 /* 4512: enforce links targeting new windows to open in a new tab instead
@@ -964,7 +984,7 @@ user_pref("_user.js.parrot", "5500 syntax error: this is an ex-parrot!");
    // user_pref("javascript.options.wasm", false);
 /* 5507: disable rendering of SVG OpenType fonts ***/
    // user_pref("gfx.font_rendering.opentype_svg.enabled", false);
-/* 5508: disable all DRM content (EME: Encryption Media Extension)
+/* 5508: disable all DRM (Digital Rights Management) content (EME: Encryption Media Extension)
  * Optionally hide the UI setting which also disables the DRM prompt
  * [SETTING] General>DRM Content>Play DRM-controlled content
  * [TEST] https://bitmovin.com/demos/drm
@@ -1016,7 +1036,7 @@ user_pref("security.tls.version.enable-deprecated", false); // [DEFAULT: false]
  * [WHY] To prevent wasting Mozilla's time with a custom setup ***/
 user_pref("extensions.webcompat-reporter.enabled", false); // [DEFAULT: false]
 /* 6012: enforce Quarantined Domains [FF115+]
- * [WHY] https://support.mozilla.org/kb/quarantined-domains */
+ * [WHY] https://support.mozilla.org/kb/quarantined-domains ***/
 user_pref("extensions.quarantinedDomains.enabled", true); // [DEFAULT: true]
 /* 6050: prefsCleaner: reset previously active items removed from arkenfox FF128+ ***/
    // user_pref("privacy.clearOnShutdown.cache", "");
@@ -1032,6 +1052,11 @@ user_pref("extensions.quarantinedDomains.enabled", true); // [DEFAULT: true]
    // user_pref("privacy.cpd.history", "");
    // user_pref("privacy.cpd.offlineApps", "");
    // user_pref("privacy.cpd.sessions", "");
+/* 6051: prefsCleaner: reset previously active items removed from arkenfox FF140+ ***/
+   // user_pref("browser.display.use_system_colors", "");
+   // user_pref("browser.urlbar.fakespot.featureGate", "");
+   // user_pref("security.OCSP.enabled", "");
+   // user_pref("security.OCSP.require", "");
 
 /*** [SECTION 7000]: DON'T BOTHER ***/
 user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies!");
@@ -1120,7 +1145,7 @@ user_pref("_user.js.parrot", "7000 syntax error: the parrot's pushing up daisies
    // user_pref("privacy.trackingprotection.cryptomining.enabled", true); // [DEFAULT: true]
    // user_pref("privacy.trackingprotection.fingerprinting.enabled", true); // [DEFAULT: true]
 /* 7017: disable service workers
- * [WHY] Already isolated with TCP (2701) behind a pref (2710) ***/
+ * [WHY] Already isolated with TCP (2701) behind a pref ***/
    // user_pref("dom.serviceWorkers.enabled", false);
 /* 7018: disable Web Notifications [FF22+]
  * [WHY] Web Notifications are behind a prompt (7002)
@@ -1166,7 +1191,6 @@ user_pref("_user.js.parrot", "8000 syntax error: the parrot's crossed the Jordan
    // user_pref("general.platform.override", "");
    // user_pref("general.useragent.override", "");
    // user_pref("media.navigator.enabled", "");
-   // user_pref("media.ondevicechange.enabled", "");
    // user_pref("media.video_stats.enabled", "");
    // user_pref("media.webspeech.synth.enabled", "");
    // user_pref("ui.use_standins_for_native_colors", "");
@@ -1240,9 +1264,17 @@ user_pref("_user.js.parrot", "9999 syntax error: the parrot's shuffled off 'is m
 /* ESR128.x still uses all the following prefs
 // [NOTE] replace the * with a slash in the line above to re-enable active ones
 // FF132
-/* 2617: remove webchannel whitelist
+// 2617: remove webchannel whitelist
    // [-] https://bugzilla.mozilla.org/1275612
    // user_pref("webchannel.allowObject.urlWhitelist", "");
+// FF140
+// 0323: disable shopping experience [FF116+]
+   // [-] https://bugzilla.mozilla.org/1964845
+   // [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1840156#c0
+user_pref("browser.shopping.experience2023.enabled", false); // [DEFAULT: false]
+// 0806: disable urlbar suggestions
+   // [-] https://bugzilla.mozilla.org/1959497
+user_pref("browser.urlbar.pocket.featureGate", false); // [FF116+] [DEFAULT: false]
 // ***/
 
 /* END: internal custom pref to test for syntax errors ***/