66-beta

- to avoid confusion with the setting tag, split the prefs into separate numbers, thus shove 2031->2031, reuse 2031
- remove the default value notation as Mozilla will roll out default change gradually to users

scratchpad-scripts/ghacks-clear-[removed].js

@@ -1,7 +1,7 @@
 /***
  This will reset the preferences that have been removed completely from the ghacks user.js.
 
- Last updated: 12-Dec-2018
+ Last updated: 30-Jan-2019
 
  For instructions see:
  https://github.com/ghacksuserjs/ghacks-user.js/wiki/3.1-Resetting-Inactive-Prefs-[Scripts]
@@ -117,6 +117,9 @@
     'media.peerconnection.use_document_iceservers',
     'media.peerconnection.video.enabled',
     'media.navigator.video.enabled',
+    /* 65-beta */
+    'browser.contentblocking.enabled',
+    'browser.urlbar.maxHistoricalSearchSuggestions',
     /* reset parrot: check your open about:config after running the script */
     '_user.js.parrot'
   ]

updater.sh

@@ -2,7 +2,7 @@
 
 ## ghacks-user.js updater for macOS and Linux
 
-## version: 2.4
+## version: 2.5
 ## Author: Pat Johnson (@overdodactyl)
 ## Additional contributors: @earthlng, @ema-pe, @claustromaniac
 
@@ -227,7 +227,7 @@ update_updater () {
   fi
   mv "${tmpfile}" "${SCRIPT_DIR}/updater.sh"
   chmod u+x "${SCRIPT_DIR}/updater.sh"
-  "${SCRIPT_DIR}/updater.sh" "$@ -d"
+  "${SCRIPT_DIR}/updater.sh" "$@" -d
   exit 1
 }
 
@@ -334,6 +334,9 @@ update_userjs () {
       echo -e "Status: ${GREEN}A diff file was created:${NC} ${PWD}/${diffname}"
     else
       echo -e "Warning: ${ORANGE}Your new user.js file appears to be identical.  No diff file was created.${NC}"
+      if [ $BACKUP = 'multiple' ]; then
+        rm $bakname &>/dev/null
+      fi
     fi
     rm $past_nocomments $current_nocomments $pastuserjs &>/dev/null
   fi
@@ -416,7 +419,7 @@ if [ $# != 0 ]; then
 fi
 
 show_banner
-update_updater
+update_updater $@
 
 getProfilePath # updates PROFILE_PATH or exits on error
 cd "$PROFILE_PATH" && update_userjs

user.js

@@ -1,8 +1,8 @@
 /******
 * name: ghacks user.js
-* date: 17 January 2019
+* date: 27 March 2019
-* version 64: Crocodile Pants
+* version 66-beta: The Power of Pants
-*   "I remember when Pants was young, me and Suzie had so much fun"
+*   "The power of pants is a curious thing. Make a one man weep, make another man sing"
 * authors: v52+ github | v51- www.ghacks.net
 * url: https://github.com/ghacksuserjs/ghacks-user.js
 * license: MIT: https://github.com/ghacksuserjs/ghacks-user.js/blob/master/LICENSE.txt
@@ -117,6 +117,7 @@ user_pref("browser.newtabpage.activity-stream.feeds.snippets", 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+]
 /* 0105d: disable Activity Stream recent Highlights in the Library [FF57+] ***/
    // user_pref("browser.library.activity-stream.enabled", false);
 /* 0110: start Firefox in PB (Private Browsing) mode
@@ -139,7 +140,7 @@ user_pref("_user.js.parrot", "0200 syntax error: the parrot's definitely decease
    // user_pref("geo.enabled", false);
 /* 0201b: set a default permission for Location [FF58+]
  * 0=always ask (default), 1=allow, 2=block
- * [NOTE] best left at default "always ask", fingerprintable via Permissions API
+ * [NOTE] Best left at default "always ask", fingerprintable via Permissions API
  * [SETTING] to add site exceptions: Page Info>Permissions>Access Your Location
  * [SETTING] to manage site exceptions: Options>Privacy & Security>Permissions>Location>Settings ***/
    // user_pref("permissions.default.geo", 2);
@@ -168,6 +169,10 @@ user_pref("intl.regional_prefs.use_os_locales", false);
  * Optionally enable logging to the console (defaults to false) ***/
 user_pref("geo.wifi.uri", "https://location.services.mozilla.com/v1/geolocate?key=%MOZILLA_API_KEY%");
    // user_pref("geo.wifi.logging.enabled", true); // [HIDDEN PREF]
+/* 0211: disable using the OS's geolocation service ***/
+user_pref("geo.provider.ms-windows-location", false); // [WINDOWS]
+user_pref("geo.provider.use_corelocation", false); // [MAC]
+user_pref("geo.provider.use_gpsd", false); // [LINUX]
 
 /*** [SECTION 0300]: QUIET FOX
      We choose to not disable auto-CHECKs (0301's) but to disable auto-INSTALLs (0302's).
@@ -175,13 +180,13 @@ user_pref("geo.wifi.uri", "https://location.services.mozilla.com/v1/geolocate?ke
      monetized extensions, time constraints, legacy issues, and fear of breakage/bugs.
      It is still important to do updates for security reasons, please do so manually. ***/
 user_pref("_user.js.parrot", "0300 syntax error: the parrot's not pinin' for the fjords!");
-/* 0301b: disable auto-update checks for extensions
+/* 0301b: disable auto-CHECKING for extension and theme updates ***/
- * [SETTING] about:addons>Extensions>[cog-wheel-icon]>Update Add-ons Automatically (toggle) ***/
    // user_pref("extensions.update.enabled", false);
-/* 0302a: disable auto update installing for Firefox
+/* 0302a: disable auto-INSTALLING Firefox updates [NON-WINDOWS FF65+]
+ * [NOTE] In FF65+ on Windows this SETTING (below) is now stored in a file and the pref was removed
  * [SETTING] General>Firefox Updates>Check for updates but let you choose... ***/
 user_pref("app.update.auto", false);
-/* 0302b: disable auto update installing for extensions (after the check in 0301b)
+/* 0302b: disable auto-INSTALLING extension and theme updates (after the check in 0301b)
  * [SETTING] about:addons>Extensions>[cog-wheel-icon]>Update Add-ons Automatically (toggle) ***/
 user_pref("extensions.update.autoUpdateDefault", false);
 /* 0303: disable background update service [WINDOWS]
@@ -192,10 +197,14 @@ user_pref("app.update.staging.enabled", false);
 /* 0305: enforce update information is displayed
  * This is the update available, downloaded, error and success information ***/
 user_pref("app.update.silent", false);
-/* 0306: disable extension metadata updating
+/* 0306: disable extension metadata
- * sends daily pings to Mozilla about extensions and recent startups ***/
+ * used when installing/updating an extension, and in daily background update checks: if false, it
-user_pref("extensions.getAddons.cache.enabled", false);
+ * hides the expanded text description (if it exists) when you "show more details about an addon" ***/
-/* 0307: disable auto updating of personas (themes) ***/
+   // user_pref("extensions.getAddons.cache.enabled", false);
+/* 0307: disable auto updating of lightweight themes (LWT)
+ * Not to be confused with themes in 0301* + 0302*, which use the FF55+ Theme API
+ * Mozilla plan to convert existing LWTs and remove LWT support in the future, see [1]
+ * [1] https://blog.mozilla.org/addons/2018/09/20/future-themes-here/ ***/
 user_pref("lightweightThemes.update.enabled", false);
 /* 0308: disable search update
  * [SETTING] General>Firefox Updates>Automatically update search engines ***/
@@ -227,34 +236,48 @@ user_pref("toolkit.telemetry.updatePing.enabled", false); // [FF56+]
 user_pref("toolkit.telemetry.bhrPing.enabled", false); // [FF57+] Background Hang Reporter
 user_pref("toolkit.telemetry.firstShutdownPing.enabled", false); // [FF57+]
 user_pref("toolkit.telemetry.hybridContent.enabled", false); // [FF59+]
-/* 0333: disable health report
+/* 0331: disable Telemetry Coverage
- * [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to send technical... data ***/
-user_pref("datareporting.healthreport.uploadEnabled", false);
-/* 0334: disable new data submission, master kill switch [FF41+]
- * If disabled, no policy is shown or upload takes place, ever
- * [1] https://bugzilla.mozilla.org/1195552 ***/
-user_pref("datareporting.policy.dataSubmissionEnabled", false);
-/* 0335: disable Telemetry Coverage
  * [1] https://blog.mozilla.org/data/2018/08/20/effectively-measuring-search-in-firefox/ ***/
 user_pref("toolkit.telemetry.coverage.opt-out", true); // [HIDDEN PREF]
 user_pref("toolkit.coverage.opt-out", true); // [FF64+] [HIDDEN PREF]
 user_pref("toolkit.coverage.endpoint.base", "");
-/* 0350: disable crash reports ***/
+/* 0340: disable Health Reports
+ * [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to send technical... data ***/
+user_pref("datareporting.healthreport.uploadEnabled", false);
+/* 0341: disable new data submission, master kill switch [FF41+]
+ * If disabled, no policy is shown or upload takes place, ever
+ * [1] https://bugzilla.mozilla.org/1195552 ***/
+user_pref("datareporting.policy.dataSubmissionEnabled", false);
+/* 0342: disable Studies (see 0503)
+ * [NOTE] This pref has no effect when Health Reports (0340) are disabled
+ * [SETTING] Privacy & Security>Firefox Data Collection & Use>...>Allow Firefox to install and run studies ***/
+user_pref("app.shield.optoutstudies.enabled", false);
+/* 0343: disable personalized Extension Recommendations in about:addons and AMO [FF65+]
+ * [NOTE] This pref has no effect when Health Reports (0340) are disabled
+ * [SETTING] Privacy & Security>Firefox Data Collection & Use>...>Allow Firefox to make personalized extension rec.
+ * [1] https://support.mozilla.org/kb/personalized-extension-recommendations ***/
+user_pref("browser.discovery.enabled", false);
+/* 0350: disable Crash Reports ***/
 user_pref("breakpad.reportURL", "");
-/* 0351: disable sending of crash reports ***/
 user_pref("browser.tabs.crashReporting.sendReport", false); // [FF44+]
 user_pref("browser.crashReports.unsubmittedCheck.enabled", false); // [FF51+]
+/* 0351: disable backlogged Crash Reports
+ * [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to send backlogged crash reports  ***/
 user_pref("browser.crashReports.unsubmittedCheck.autoSubmit2", false); // [FF58+]
 /* 0370: disable Pocket [FF46+]
  * Pocket is a third party (now owned by Mozilla) "save for later" cloud service
  * [1] https://en.wikipedia.org/wiki/Pocket_(application)
  * [2] https://www.gnu.gl/blog/Posts/multiple-vulnerabilities-in-pocket/ ***/
 user_pref("extensions.pocket.enabled", false);
-/* 0380: disable Browser Error Reporter [FF60+]
+/* 0390: disable Captive Portal detection
- * [1] https://support.mozilla.org/en-US/kb/firefox-nightly-error-collection
+ * [1] https://en.wikipedia.org/wiki/Captive_portal
- * [2] https://firefox-source-docs.mozilla.org/browser/browser/BrowserErrorReporter.html ***/
+ * [2] https://wiki.mozilla.org/Necko/CaptivePortal
-user_pref("browser.chrome.errorReporter.enabled", false);
+ * [3] https://trac.torproject.org/projects/tor/ticket/21790 ***/
-user_pref("browser.chrome.errorReporter.submitUrl", "");
+user_pref("captivedetect.canonicalURL", "");
+user_pref("network.captive-portal-service.enabled", false); // [FF52+]
+/* 0391: disable Network Connectivity checks [FF65+]
+ * [1] https://bugzilla.mozilla.org/1460537 ***/
+user_pref("network.connectivity-service.enabled", false);
 
 /*** [SECTION 0400]: BLOCKLISTS / SAFE BROWSING / TRACKING PROTECTION
      This section has security & tracking protection implications vs privacy concerns vs effectiveness
@@ -360,8 +383,6 @@ user_pref("browser.safebrowsing.provider.google4.dataSharingURL", "");
  * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1170190,1141814 ***/
    // user_pref("privacy.trackingprotection.annotate_channels", false);
    // user_pref("privacy.trackingprotection.lower_network_priority", false);
-/* 0426: enforce Content Blocking (required to block cookies) [FF63+] ***/
-user_pref("browser.contentblocking.enabled", true); // [DEFAULT: true]
 
 /*** [SECTION 0500]: SYSTEM ADD-ONS / EXPERIMENTS
      System Add-ons are a method for shipping extensions, considered to be
@@ -380,20 +401,17 @@ user_pref("browser.contentblocking.enabled", true); // [DEFAULT: true]
      [2] https://dxr.mozilla.org/mozilla-central/source/browser/extensions
 ***/
 user_pref("_user.js.parrot", "0500 syntax error: the parrot's cashed in 'is chips!");
-/* 0502: disable Mozilla permission to silently opt you into tests ***/
-user_pref("network.allow-experiments", false);
 /* 0503: disable Normandy/Shield [FF60+]
  * Shield is an telemetry system (including Heartbeat) that can also push and test "recipes"
  * [1] https://wiki.mozilla.org/Firefox/Shield
  * [2] https://github.com/mozilla/normandy ***/
 user_pref("app.normandy.enabled", false);
 user_pref("app.normandy.api_url", "");
-user_pref("app.shield.optoutstudies.enabled", false);
 /* 0505: disable System Add-on updates ***/
 user_pref("extensions.systemAddon.update.enabled", false); // [FF62+]
 user_pref("extensions.systemAddon.update.url", ""); // [FF44+]
 /* 0506: disable PingCentre telemetry (used in several System Add-ons) [FF57+]
- * Currently blocked by 'datareporting.healthreport.uploadEnabled' (see 0333) ***/
+ * Currently blocked by 'datareporting.healthreport.uploadEnabled' (see 0340) ***/
 user_pref("browser.ping-centre.telemetry", false);
 /* 0515: disable Screenshots
  * alternatively in FF60+, disable uploading to the Screenshots server
@@ -425,15 +443,9 @@ user_pref("network.prefetch-next", false);
  * [2] https://developer.mozilla.org/docs/Web/HTTP/Headers/X-DNS-Prefetch-Control ***/
 user_pref("network.dns.disablePrefetch", true);
 user_pref("network.dns.disablePrefetchFromHTTPS", true); // [HIDDEN PREF]
-/* 0603a: disable Seer/Necko
+/* 0603: disable Seer/Necko
  * [1] https://developer.mozilla.org/docs/Mozilla/Projects/Necko ***/
 user_pref("network.predictor.enabled", false);
-/* 0603b: disable more Necko/Captive Portal
- * [1] https://en.wikipedia.org/wiki/Captive_portal
- * [2] https://wiki.mozilla.org/Necko/CaptivePortal
- * [3] https://trac.torproject.org/projects/tor/ticket/21790 ***/
-user_pref("captivedetect.canonicalURL", "");
-user_pref("network.captive-portal-service.enabled", false); // [FF52+]
 /* 0605: disable link-mouseover opening connection to linked server
  * [1] https://news.slashdot.org/story/15/08/14/2321202/how-to-quash-firefoxs-silent-requests
  * [2] https://www.ghacks.net/2015/08/16/block-firefox-from-connecting-to-sites-when-you-hover-over-links/ ***/
@@ -443,9 +455,6 @@ user_pref("network.http.speculative-parallel-limit", 0);
  * [2] http://kb.mozillazine.org/Browser.send_pings.require_same_host ***/
 user_pref("browser.send_pings", false);
 user_pref("browser.send_pings.require_same_host", true);
-/* 0607: disable links launching Windows Store on Windows 8/8.1/10 [WINDOWS]
- * [1] https://www.ghacks.net/2016/03/25/block-firefox-chrome-windows-store/ ***/
-user_pref("network.protocol-handler.external.ms-windows-store", false);
 /* 0608: disable predictor / prefetching [FF48+] ***/
 user_pref("network.predictor.enable-prefetch", false);
 
@@ -473,6 +482,7 @@ user_pref("network.dns.disableIPv6", true);
 user_pref("network.http.spdy.enabled", false);
 user_pref("network.http.spdy.enabled.deps", false);
 user_pref("network.http.spdy.enabled.http2", false);
+user_pref("network.http.spdy.websockets", false); // [FF65+]
 /* 0703: disable HTTP Alternative Services [FF37+]
  * [SETUP-PERF] Relax this if you have FPI enabled (see 4000) *AND* you understand the
  * consequences. FPI isolates these, but it was designed with the Tor protocol in mind,
@@ -504,6 +514,7 @@ user_pref("network.proxy.autoconfig_url.include_path", false); // [DEFAULT: fals
  * [1] https://www.ghacks.net/2018/02/20/firefox-60-with-new-preference-to-disable-ftp/ ***/
    // user_pref("network.ftp.enabled", false);
 /* 0709: disable using UNC (Uniform Naming Convention) paths [FF61+]
+ * [SETUP-CHROME] Can break extensions for profiles on network shares
  * [1] https://trac.torproject.org/projects/tor/ticket/26424 ***/
 user_pref("network.file.disable_unc_paths", true); // [HIDDEN PREF]
 /* 0710: disable GIO as a potential proxy bypass vector
@@ -516,10 +527,10 @@ user_pref("network.file.disable_unc_paths", true); // [HIDDEN PREF]
 user_pref("network.gio.supported-protocols", ""); // [HIDDEN PREF]
 
 /*** [SECTION 0800]: LOCATION BAR / SEARCH BAR / SUGGESTIONS / HISTORY / FORMS [SETUP-CHROME]
-     If you are in a private environment (no unwanted eyeballs) and your device is private
+     Change items 0850 and above to suit for privacy vs convenience and functionality. Consider
-     (restricted access), and the device is secure when unattended (locked, encrypted, forensic
+     your environment (no unwanted eyeballs), your device (restricted access), your device's
-     hardened), then items 0850 and above can be relaxed in return for more convenience and
+     unattended state (locked, encrypted, forensic hardened). Likewise, you may want to check
-     functionality. Likewise, you may want to check the items cleared on shutdown in section 2800.
+     the items cleared on shutdown in section 2800.
      [NOTE] The urlbar is also commonly referred to as the location bar and address bar
      #Required reading [#] https://xkcd.com/538/
 ***/
@@ -566,16 +577,12 @@ user_pref("browser.urlbar.usepreloadedtopurls.enabled", false);
 /* 0810: disable location bar making speculative connections [FF56+]
  * [1] https://bugzilla.mozilla.org/1348275 ***/
 user_pref("browser.urlbar.speculativeConnect.enabled", false);
-/* 0850a: disable location bar autocomplete and suggestion types
+/* 0850a: disable location bar suggestion types
- * If you enforce any of the suggestion types, you MUST enforce 'autocomplete'
- *   - If *ALL* of the suggestion types are false, 'autocomplete' must also be false
- *   - If *ANY* of the suggestion types are true, 'autocomplete' must also be true
  * [SETUP-CHROME] If all three suggestion types are false, search engine keywords are disabled
  * [SETTING] Privacy & Security>Address Bar>When using the address bar, suggest ***/
-user_pref("browser.urlbar.autocomplete.enabled", false);
+   // user_pref("browser.urlbar.suggest.history", false);
-user_pref("browser.urlbar.suggest.history", false);
+   // user_pref("browser.urlbar.suggest.bookmark", false);
-user_pref("browser.urlbar.suggest.bookmark", false);
+   // user_pref("browser.urlbar.suggest.openpage", false);
-user_pref("browser.urlbar.suggest.openpage", false);
 /* 0850c: disable location bar dropdown
  * This value controls the total number of entries to appear in the location bar dropdown
  * [NOTE] Items (bookmarks/history/openpages) with a high "frecency"/"bonus" will always
@@ -586,13 +593,10 @@ user_pref("browser.urlbar.suggest.openpage", false);
    // user_pref("browser.urlbar.maxRichResults", 0);
 /* 0850d: disable location bar autofill
  * [1] http://kb.mozillazine.org/Inline_autocomplete ***/
-user_pref("browser.urlbar.autoFill", false);
+   // user_pref("browser.urlbar.autoFill", false);
 /* 0850e: disable location bar one-off searches [FF51+]
  * [1] https://www.ghacks.net/2016/08/09/firefox-one-off-searches-address-bar/ ***/
-user_pref("browser.urlbar.oneOffSearches", false);
+   // user_pref("browser.urlbar.oneOffSearches", false);
-/* 0850f: disable location bar suggesting local search history [FF57+]
- * [1] https://bugzilla.mozilla.org/1181644 ***/
-user_pref("browser.urlbar.maxHistoricalSearchSuggestions", 0);
 /* 0860: disable search and form history
  * [NOTE] You can clear formdata on exiting Firefox (see 2803)
  * [SETTING] Privacy & Security>History>Custom Settings>Remember search and form history ***/
@@ -642,9 +646,6 @@ user_pref("signon.storeWhenAutocompleteOff", true); // [DEFAULT: true]
 /* 0907: display warnings for logins on non-secure (non HTTPS) pages
  * [1] https://bugzilla.mozilla.org/1217156 ***/
 user_pref("security.insecure_password.ui.enabled", true);
-/* 0908: remove user & password info when attempting to fix an entered URL (i.e. 0802 is true)
- * e.g. //user:password@foo -> //user@(prefix)foo(suffix) NOT //user:password@(prefix)foo(suffix) ***/
-user_pref("browser.fixup.hide_user_pass", true);
 /* 0909: disable formless login capture for Password Manager [FF51+] ***/
 user_pref("signon.formlessCapture.enabled", false);
 /* 0910: disable autofilling saved passwords on HTTP pages and show warning [FF52+]
@@ -1078,11 +1079,14 @@ user_pref("dom.imagecapture.enabled", false); // [DEFAULT: false]
 /* 2028: disable offscreen canvas [FF44+]
  * [1] https://developer.mozilla.org/docs/Web/API/OffscreenCanvas ***/
 user_pref("gfx.offscreencanvas.enabled", false); // [DEFAULT: false]
-/* 2030: disable auto-play of HTML5 media [FF63+]
+/* 2030: disable autoplay of HTML5 media [FF63+]
- * 0=Allowed (default), 1=Blocked, 2=Prompt
+ * 0=Allowed, 1=Blocked, 2=Prompt
- * [SETUP-WEB] This may break video playback on various sites ***/
+ * [NOTE] You can set exceptions under site permissions
+ * [SETTING] Privacy & Security>Permissions>Block websites from automatically playing sound ***/
 user_pref("media.autoplay.default", 1);
-/* 2031: disable audio auto-play in non-active tabs [FF51+]
+/* 2031: disable autoplay of HTML5 media if you interacted with the site [FF66+] ***/
+user_pref("media.autoplay.enabled.user-gestures-needed", false);
+/* 2032: disable audio autoplay in non-active tabs [FF51+]
  * [1] https://www.ghacks.net/2016/11/14/firefox-51-blocks-automatic-audio-playback-in-non-active-tabs/ ***/
 user_pref("media.block-autoplay-until-in-foreground", true);
 
@@ -1154,7 +1158,7 @@ user_pref("dom.webnotifications.enabled", false); // [FF22+]
 user_pref("dom.webnotifications.serviceworker.enabled", false); // [FF44+]
 /* 2305: set a default permission for Notifications (see 2304) [FF58+]
  * 0=always ask (default), 1=allow, 2=block
- * [NOTE] best left at default "always ask", fingerprintable via Permissions API
+ * [NOTE] Best left at default "always ask", fingerprintable via Permissions API
  * [SETTING] to add site exceptions: Page Info>Permissions>Receive Notifications
  * [SETTING] to manage site exceptions: Options>Privacy & Security>Permissions>Notifications>Settings ***/
    // user_pref("permissions.default.desktop-notification", 2);
@@ -1220,6 +1224,9 @@ user_pref("javascript.options.shared_memory", false);
 /* 2428: enforce DOMHighResTimeStamp API
  * [WARNING] Required for normalization of timestamps and any timer resolution mitigations ***/
 user_pref("dom.event.highrestimestamp.enabled", true); // [DEFAULT: true]
+/* 2429: enable (limited but sufficient) window.opener protection [FF65+]
+ * Makes rel=noopener implicit for target=_blank in anchor and area elements when no rel attribute is set ***/
+user_pref("dom.targetBlankNoOpener.enabled", true);
 
 /*** [SECTION 2500]: HARDWARE FINGERPRINTING ***/
 user_pref("_user.js.parrot", "2500 syntax error: the parrot's shuffled off 'is mortal coil!");
@@ -1249,9 +1256,6 @@ user_pref("layers.acceleration.disabled", true);
 /* 2510: disable Web Audio API [FF51+]
  * [1] https://bugzilla.mozilla.org/1288359 ***/
 user_pref("dom.webaudio.enabled", false);
-/* 2516: disable PointerEvents
- * [1] https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent ***/
-user_pref("dom.w3c_pointer_events.enabled", false);
 /* 2517: disable Media Capabilities API [FF63+]
  * [SETUP-PERF] This *may* affect media performance if disabled, no one is sure
  * [1] https://github.com/WICG/media-capabilities
@@ -1316,7 +1320,7 @@ user_pref("permissions.manager.defaultsUrl", "");
 /* 2617: remove webchannel whitelist ***/
 user_pref("webchannel.allowObject.urlWhitelist", "");
 /* 2618: disable exposure of system colors to CSS or canvas [FF44+]
- * [NOTE] see second listed bug: may cause black on black for elements with undefined colors
+ * [NOTE] See second listed bug: may cause black on black for elements with undefined colors
  * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=232227,1330876 ***/
 user_pref("ui.use_standins_for_native_colors", true); // [HIDDEN PREF]
 /* 2619: enforce Punycode for Internationalized Domain Names to eliminate possible spoofing
@@ -1339,6 +1343,9 @@ user_pref("network.IDN_show_punycode", true);
  * CAVEAT: JS can still force a pdf to open in-browser by bundling its own code (rare)
  * [SETTING] General>Applications>Portable Document Format (PDF) ***/
 user_pref("pdfjs.disabled", false);
+/* 2621: disable links launching Windows Store on Windows 8/8.1/10 [WINDOWS]
+ * [1] https://www.ghacks.net/2016/03/25/block-firefox-chrome-windows-store/ ***/
+user_pref("network.protocol-handler.external.ms-windows-store", false);
 
 /** DOWNLOADS ***/
 /* 2650: discourage downloading to desktop (0=desktop 1=downloads 2=last used)
@@ -1396,17 +1403,20 @@ user_pref("security.dialog_enable_delay", 700);
           indexedDB : profile\storage\default
            appCache : profile\OfflineCache
      serviceWorkers :
+
+     [NOTE] indexedDB and serviceWorkers are not available in Private Browsing Mode
+     [NOTE] Blocking cookies also blocks websites access to: localStorage (incl. sessionStorage),
+     indexedDB, sharedWorker, and serviceWorker (and therefore service worker cache and notifications)
+     If you set a site exception for cookies (either "Allow" or "Allow for Session") then they become
+     accessible to websites except shared/service workers where the cookie setting *must* be "Allow"
 ***/
 user_pref("_user.js.parrot", "2700 syntax error: the parrot's joined the bleedin' choir invisible!");
 /* 2701: disable 3rd-party cookies and site-data
- * You can set exceptions under site permissions or use an extension
+ * 0=Accept cookies and site data (default), 1=(Block) All third-party cookies, 2=(Block) All cookies,
- * 0=Accept cookies and site data, 1=Block third-party cookies, 2=Block all cookies,
+ * 3=(Block) Cookies from unvisited sites, 4=(Block) Third-party trackers (FF63+)
- * 3=Block cookies from unvisited sites, 4=Block third-party trackers (FF63+)
+ * [NOTE] Value 4 is tied to the Tracking Protection lists
- * [NOTE] value 4 is tied to the Tracking Protection lists so make sure you have 0424 + 0425 on default values!
+ * [NOTE] You can set exceptions under site permissions or use an extension
- * [NOTE] Blocking 3rd party controls 3rd party access to localStorage, IndexedDB, Cache API and Service Worker Cache.
+ * [SETTING] Privacy & Security>Content Blocking>Custom>Choose what to block>Cookies ***/
- * Blocking 1st party controls access to localStorage and IndexedDB (note: Service Workers can still use IndexedDB).
- * [SETTING] Privacy & Security>Cookies and Site Data>Type blocked
- * [1] https://www.fxsitecompat.com/en-CA/docs/2015/web-storage-indexeddb-cache-api-now-obey-third-party-cookies-preference/ ***/
 user_pref("network.cookie.cookieBehavior", 1);
 /* 2702: set third-party cookies (i.e ALL) (if enabled, see 2701) to session-only
    and (FF58+) set third-party non-secure (i.e HTTP) cookies to session-only
@@ -1416,11 +1426,11 @@ user_pref("network.cookie.cookieBehavior", 1);
  * [2] http://kb.mozillazine.org/Network.cookie.thirdparty.sessionOnly ***/
 user_pref("network.cookie.thirdparty.sessionOnly", true);
 user_pref("network.cookie.thirdparty.nonsecureSessionOnly", true); // [FF58+]
-/* 2703: set cookie lifetime policy
+/* 2703: delete cookies and site data on close
- * 0=until they expire (default), 2=until you close Firefox
+ * 0=keep until they expire (default), 2=keep until you close Firefox
- * [NOTE] 3=for n days : no longer supported in FF63+ (see 2704-deprecated)
+ * [NOTE] The setting below is disabled (but not changed) if you block all cookies (2701 = 2)
- * [SETTING] Privacy & Security>Cookies and Site Data>Keep until... ***/
+ * [SETTING] Privacy & Security>Cookies and Site Data>Delete cookies and site data when Firefox is closed ***/
-   // user_pref("network.cookie.lifetimePolicy", 0);
+   // user_pref("network.cookie.lifetimePolicy", 2);
 /* 2705: disable HTTP sites setting cookies with the "secure" directive [FF52+]
  * [1] https://developer.mozilla.org/Firefox/Releases/52#HTTP ***/
 user_pref("network.cookie.leave-secure-alone", true); // [DEFAULT: true]
@@ -1461,6 +1471,9 @@ user_pref("dom.caches.enabled", false);
  * [2] https://developer.mozilla.org/docs/Web/API/Storage_API
  * [3] https://blog.mozilla.org/l10n/2017/03/07/firefox-l10n-report-aurora-54/ ***/
    // user_pref("dom.storageManager.enabled", false);
+/* 2755: disable Storage Access API [FF65+]
+ * [1] https://developer.mozilla.org/en-US/docs/Web/API/Storage_Access_API ***/
+   // user_pref("dom.storage_access.enabled", false);
 
 /*** [SECTION 2800]: SHUTDOWN [SETUP-CHROME]
      You should set the values to what suits you best.
@@ -1470,10 +1483,10 @@ user_pref("dom.caches.enabled", false);
        Firefox interface as "Browsing & Download History" and their values will be synced
 ***/
 user_pref("_user.js.parrot", "2800 syntax error: the parrot's bleedin' demised!");
-/* 2802: enable Firefox to clear history items on shutdown
+/* 2802: enable Firefox to clear items on shutdown (see 2803)
  * [SETTING] Privacy & Security>History>Custom Settings>Clear history when Firefox closes ***/
 user_pref("privacy.sanitize.sanitizeOnShutdown", true);
-/* 2803: set what history items to clear on shutdown
+/* 2803: set what items to clear on shutdown (if 2802 is true)
  * [NOTE] If 'history' is true, downloads will also be cleared regardless of the value
  * but if 'history' is false, downloads can still be cleared independently
  * However, this may not always be the case. The interface combines and syncs these
@@ -1487,7 +1500,7 @@ user_pref("privacy.clearOnShutdown.history", true); // Browsing & Download Histo
 user_pref("privacy.clearOnShutdown.offlineApps", true); // Offline Website Data
 user_pref("privacy.clearOnShutdown.sessions", true); // Active Logins
 user_pref("privacy.clearOnShutdown.siteSettings", false); // Site Preferences
-/* 2804: reset default history items to clear with Ctrl-Shift-Del (to match 2803)
+/* 2804: reset default items to clear with Ctrl-Shift-Del (to match 2803)
  * This dialog can also be accessed from the menu History>Clear Recent History
  * Firefox remembers your last choices. This will reset them when you start Firefox.
  * [NOTE] Regardless of what you set privacy.cpd.downloads to, as soon as the dialog
@@ -1561,7 +1574,7 @@ user_pref("privacy.firstparty.isolate.restrict_opener_access", true); // [DEFAUL
       To set a size, open a XUL (chrome) page (such as about:config) which is at 100% zoom, hit
       Shift+F4 to open the scratchpad, type window.resizeTo(1366,768), hit Ctrl+R to run. Test
       your window size, do some math, resize to allow for all the non inner window elements
-      [TEST] http://browserspy.dk/screen.php
+      [TEST] https://ghacksuserjs.github.io/TorZillaPrint/TorZillaPrint.html#screen
  ** 1281949 - spoof screen orientation (FF50+)
  ** 1281963 - hide the contents of navigator.plugins and navigator.mimeTypes (FF50+)
       FF53: Fixes GetSupportedNames in nsMimeTypeArray and nsPluginArray (1324044)
@@ -1574,13 +1587,13 @@ user_pref("privacy.firstparty.isolate.restrict_opener_access", true); // [DEFAUL
  ** 1369303 - spoof/disable performance API (see 2410-deprecated, 4602, 4603) (FF56+)
  ** 1333651 & 1383495 & 1396468 - spoof Navigator API (see section 4700) (FF56+)
       FF56: The version number will be rounded down to the nearest multiple of 10
-      FF57: The version number will match current ESR (1393283, 1418672, 1418162)
+      FF57: The version number will match current ESR (1393283, 1418672, 1418162, 1511763)
       FF59: The OS will be reported as Windows, OSX, Android, or Linux (to reduce breakage) (1404608)
       FF66: The OS in HTTP Headers will be reduced to Windows or Android (1509829)
  ** 1369319 - disable device sensor API (see 4604) (FF56+)
  ** 1369357 - disable site specific zoom (see 4605) (FF56+)
  ** 1337161 - hide gamepads from content (see 4606) (FF56+)
- ** 1372072 - spoof network information API as "unknown" (see 4607) (FF56+)
+ ** 1372072 - spoof network information API as "unknown" when dom.netinfo.enabled = true (see 4607) (FF56+)
  ** 1333641 - reduce fingerprinting in WebSpeech API (see 4608) (FF56+)
  ** 1372069 & 1403813 & 1441295 - block geolocation requests (same as denying a site permission) (see 0201, 0201b) (FF56-62)
  ** 1369309 - spoof media statistics (see 4610) (FF57+)
@@ -1592,7 +1605,10 @@ user_pref("privacy.firstparty.isolate.restrict_opener_access", true); // [DEFAUL
       This blocks exposure of local IP Addresses via mDNS (Multicast DNS)
  **  967895 - enable site permission prompt before allowing canvas data extraction (FF58+)
       FF59: Added to site permissions panel (1413780) Only prompt when triggered by user input (1376865)
- ** 1372073 - spoof/block fingerprinting in MediaDevices API (see 4612) (FF59+)
+ ** 1372073 - spoof/block fingerprinting in MediaDevices API (FF59+)
+      Spoof: enumerate devices reports one "Internal Camera" and one "Internal Microphone" if
+             media.navigator.enabled is true (see 2505 which we chose to keep disabled)
+      Block: suppresses the ondevicechange event (see 4612)
  ** 1039069 - warn when language prefs are set to non en-US (see 0207, 0208) (FF59+)
  ** 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.
@@ -1600,11 +1616,14 @@ user_pref("privacy.firstparty.isolate.restrict_opener_access", true); // [DEFAUL
       FF60: Fix keydown/keyup events (1438795)
  ** 1337157 - disable WebGL debug renderer info (see 4613) (FF60+)
  ** 1459089 - disable OS locale in HTTP Accept-Language headers (ANDROID) (FF62+)
- ** 1363508 - spoof/suppress Pointer Events (see 2516) (FF64+)
+ ** 1363508 - spoof/suppress Pointer Events (see 4614) (FF64+)
       FF65: pointerEvent.pointerid (1492766)
+ ** 1485266 - disable exposure of system colors to CSS or canvas (see 2618) (FF67+)
+ ** 1407366 - enable inner window letterboxing (see 4504) (FF67+)
 ***/
 user_pref("_user.js.parrot", "4500 syntax error: the parrot's popped 'is clogs");
 /* 4501: enable privacy.resistFingerprinting [FF41+]
+ * This pref is the master switch for all other privacy.resist* prefs unless stated
  * [SETUP-WEB] RFP is not ready for the masses, so expect some website breakage
  * [1] https://bugzilla.mozilla.org/418986 ***/
 user_pref("privacy.resistFingerprinting", true);
@@ -1620,8 +1639,17 @@ user_pref("privacy.resistFingerprinting", true);
  * to sanitize or clear extensions.webextensions.restrictedDomains (see 2662) to keep that side-effect
  * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1384330,1406795,1415644,1453988 ***/
 user_pref("privacy.resistFingerprinting.block_mozAddonManager", true); // [HIDDEN PREF]
-/* 4504: disable showing about:blank as soon as possible during startup [FF60+]
+/* 4504: enable RFP letterboxing [FF67+]
- * When default true (FF62+) this no longer masks the RFP resizing activity
+ * Dynamically resizes the inner window in 200w x100h steps by applying letterboxing, using dimensions
+ * which waste the least content area, If you use the dimension pref, then it will only apply those
+ * resolutions. The format is "width1xheight1, width2xheight2, ..." (e.g. "800x600, 1000x1000, 1600x900")
+ * [NOTE] This does NOT require RFP (see 4501) **for now**
+ * [WARNING] The dimension pref is only meant for testing, and we recommend you DO NOT USE it
+ * [1] https://bugzilla.mozilla.org/1407366 ***/
+user_pref("privacy.resistFingerprinting.letterboxing", true); // [HIDDEN PREF]
+   // user_pref("privacy.resistFingerprinting.letterboxing.dimensions", ""); // [HIDDEN PREF]
+/* 4510: disable showing about:blank as soon as possible during startup [FF60+]
+ * When default true (FF62+) this no longer masks the RFP chrome resizing activity
  * [1] https://bugzilla.mozilla.org/1448423 ***/
 user_pref("browser.startup.blankWindow", false);
 
@@ -1668,7 +1696,7 @@ user_pref("browser.zoom.siteSpecific", false);
    // [1] https://developer.mozilla.org/docs/Web/API/Network_Information_API
    // [2] https://wicg.github.io/netinfo/
    // [3] https://bugzilla.mozilla.org/960426
-user_pref("dom.netinfo.enabled", false);
+user_pref("dom.netinfo.enabled", false); // [DEFAULT: true on Android]
 // 4608: [2021] disable the SpeechSynthesis (Text-to-Speech) part of the Web Speech API
    // [1] https://developer.mozilla.org/docs/Web/API/Web_Speech_API
    // [2] https://developer.mozilla.org/docs/Web/API/SpeechSynthesis
@@ -1700,6 +1728,11 @@ user_pref("media.ondevicechange.enabled", false);
    // [2] https://developer.mozilla.org/docs/Web/API/WEBGL_debug_renderer_info
 user_pref("webgl.enable-debug-renderer-info", false);
 // * * * /
+// FF65+
+// 4614: [2516] disable PointerEvents
+   // [1] https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
+user_pref("dom.w3c_pointer_events.enabled", false);
+// * * * /
 // ***/
 
 /*** [SECTION 4700]: RFP ALTERNATIVES (NAVIGATOR / USER AGENT (UA) SPOOFING)
@@ -1858,11 +1891,11 @@ user_pref("dom.workers.sharedWorkers.enabled", false);
 user_pref("browser.sessionstore.privacy_level_deferred", 2);
 // ***/
 /* FF46
-// 0333: disable health report
+// 0340: disable health report
    // [-] https://bugzilla.mozilla.org/1234526
 user_pref("datareporting.healthreport.service.enabled", false); // [HIDDEN PREF]
 user_pref("datareporting.healthreport.documentServerURI", ""); // [HIDDEN PREF]
-// 0334b: disable FHR (Firefox Health Report) v2 data being sent to Mozilla servers
+// 0341: disable FHR (Firefox Health Report) v2 data being sent to Mozilla servers
    // [-] https://bugzilla.mozilla.org/1234522
 user_pref("datareporting.policy.dataSubmissionEnabled.v2", false);
 // 0414: disable safebrowsing pref - replaced by browser.safebrowsing.downloads.remote.url
@@ -1883,7 +1916,7 @@ user_pref("browser.pocket.oAuthConsumerKey", "");
    // is enabled ONLY for people that opted into it, even if unified Telemetry is enabled
    // [-] https://bugzilla.mozilla.org/1236580
 user_pref("toolkit.telemetry.unifiedIsOptIn", true); // [HIDDEN PREF]
-// 0333b: disable about:healthreport page UNIFIED
+// 0340b: disable about:healthreport page UNIFIED
    // [-] https://bugzilla.mozilla.org/1236580
 user_pref("datareporting.healthreport.about.reportUrlUnified", "data:text/plain,");
 // 0807: disable history manipulation
@@ -2085,7 +2118,7 @@ user_pref("intl.locale.matchOS", false);
 // 0204: set APP locale - replaced by intl.locale.requested
    // [-] https://bugzilla.mozilla.org/1414390
 user_pref("general.useragent.locale", "en-US");
-// 0333b: disable about:healthreport page (which connects to Mozilla for locale/css+js+json)
+// 0340b: disable about:healthreport page (which connects to Mozilla for locale/css+js+json)
    // If you have disabled health reports, then this about page is useless - disable it
    // If you want to see what health data is present, then this must be set at default
    // [-] https://bugzilla.mozilla.org/1352497
@@ -2200,7 +2233,7 @@ user_pref("shield.savant.enabled", false);
 // 1031: disable favicons in tabs and new bookmarks - merged into browser.chrome.site_icons
    // [-] https://bugzilla.mozilla.org/1453751
    // user_pref("browser.chrome.favicons", false);
-// 2030: disable auto-play of HTML5 media - replaced by media.autoplay.default
+// 2030: disable autoplay of HTML5 media - replaced by media.autoplay.default
    // [SETUP-WEB] This may break video playback on various sites
    // [-] https://bugzilla.mozilla.org/1470082
 user_pref("media.autoplay.enabled", false);
@@ -2231,6 +2264,29 @@ user_pref("devtools.webide.adbAddonURL", "");
    // [-] https://bugzilla.mozilla.org/1488165
 user_pref("security.csp.enable_violation_events", false);
 // * * * /
+// FF65
+// 0850a: disable location bar autocomplete and suggestion types
+   // If you enforce any of the suggestion types (see the other 0850a), you MUST enforce 'autocomplete'
+   //   - If *ALL* of the suggestion types are false, 'autocomplete' must also be false
+   //   - If *ANY* of the suggestion types are true, 'autocomplete' must also be true
+   // [-] https://bugzilla.mozilla.org/1502392
+user_pref("browser.urlbar.autocomplete.enabled", false);
+// 0908: remove user & password info when attempting to fix an entered URL (i.e. 0802 is true)
+   // e.g. //user:password@foo -> //user@(prefix)foo(suffix) NOT //user:password@(prefix)foo(suffix)
+   // [-] https://bugzilla.mozilla.org/1510580
+user_pref("browser.fixup.hide_user_pass", true); // [DEFAULT: true]
+// * * * /
+// FF66
+// 0380: disable Browser Error Reporter [FF60+]
+   // [1] https://support.mozilla.org/en-US/kb/firefox-nightly-error-collection
+   // [2] https://firefox-source-docs.mozilla.org/browser/browser/BrowserErrorReporter.html
+   // [-] https://bugzilla.mozilla.org/1509888
+user_pref("browser.chrome.errorReporter.enabled", false);
+user_pref("browser.chrome.errorReporter.submitUrl", "");
+// 0502: disable Mozilla permission to silently opt you into tests
+   // [-] https://bugzilla.mozilla.org/1415625
+user_pref("network.allow-experiments", false);
+// * * * /
 // ***/
 
 /* END: internal custom pref to test for syntax errors ***/