Update mozilla.cfg

✅ Masked more builID in according to TBB
✅ reEnabled reader mode
⛔️ Locked documents loading fonts (this drastically limits/reduces font enumeration)
⛔️ Locked first run page (no more firefox welcome)
⛔️ Locked javascript Ion, baseline JIT and RegExp to help harden JS against exploits (disabled in TBB, performance loss??) [need test]
⛔️ Locked new cryptomining and fingerprinting trackingprotection
ℹ️ Added some descriptions

config/mozilla.cfg

@@ -49,7 +49,8 @@ lockPref("browser.newtabpage.activity-stream.section.highlights.includePocket",
 lockPref("browser.newtabpage.activity-stream.showSponsored", false); // [DESKTOP]
 lockPref("browser.newtabpage.activity-stream.feeds.discoverystreamfeed", false); // [DESKTOP]
 // -------------------------------------
-// Pref : Set HOME+NEWWINDOW page
+// Pref : Set first run page and HOME+NEWWINDOW page
+lockPref("startup.homepage_welcome_url", ""); // [DESKTOP]
 lockPref("browser.startup.homepage", "about:blank"); // [DESKTOP]
 // -------------------------------------
 // Pref : Disable Activity Stream Snippets
@@ -120,17 +121,15 @@ lockPref("browser.startup.homepage_override.mstone", "ignore");
 // Pref : Disable app from auto-update
 // lockPref("app.update.enabled", false);
 // lockPref("app.update.auto", false); // [DESKTOP]
-// lockPref("app.update.autodownload", ""); // [TEST]
+// lockPref("app.update.autodownload", ""); // [TEST] // [FENNEC]
-// lockPref("app.update.channel", ""); // [TEST]
+// lockPref("app.update.channel", "");
-// lockPref("app.update.url", ""); // [DESKTOP]
+lockPref("app.update.url", "https://aus5.mozilla.org/update/6/%PRODUCT%/%VERSION%/%BUILD_ID%/%BUILD_TARGET%/%CHANNEL%/%OS_VERSION%/%SYSTEM_CAPABILITIES%/%DISTRIBUTION%/%DISTRIBUTION_VERSION%/update.xml"); // [URL SANITIZED] // [DESKTOP]
-// lockPref("app.update.url.details", ""); // [DESKTOP]
+lockPref("app.update.url.details", "https://www.mozilla.org/firefox/notes"); // [URL SANITIZED] // [DESKTOP]
 // lockPref("app.update.url.manual", ""); // [DESKTOP]
 // lockPref("app.update.url.android", ""); // [FENNEC]
 // lockPref("app.update.timerFirstInterval", 0);
 // lockPref("app.update.timerMinimumDelay", 0);
-// lockPref("app.update.url.android", "https://aus5.mozilla.org/update/4/%PRODUCT%/%VERSION%/%BUILD_ID%/%BUILD_TARGET%/%CHANNEL%/%OS_VERSION%/%DISTRIBUTION%/%DISTRIBUTION_VERSION%/%MOZ_VERSION%/update.xml"); // [TEST]
+lockPref("app.update.silent", false); // [DESKTOP]
-// lockPref("app.update.service.enabled", false); // [DESKTOP]
-// lockPref("app.update.silent", false); // [DESKTOP]
 // lockPref("app.update.staging.enabled", false); // [DESKTOP]
 lockPref("app.update.log.file", false); // [DESKTOP]
 // -------------------------------------
@@ -701,11 +700,6 @@ defaultPref("devtools.chrome.enabled", false);
 // https://bugzilla.mozilla.org/1173199
 lockPref("mathml.disabled", true);
 // -------------------------------------
-// Pref : Disable in-content SVG (Scalable Vector Graphics)
-// [SETUP-WEB] Expect breakage incl. youtube player controls. Best left for a "hardened" profile.
-// https://bugzilla.mozilla.org/1216893
-// lockPref("svg.disabled", true);
-// -------------------------------------
 // Pref : Disable middle mouse click paste
 // This preference determines how to handle middle clicks in text fields. 
 // Useless on Android
@@ -865,6 +859,12 @@ lockPref("browser.tabs.closeTabByDblclick", true); // [DESKTOP]
 // Pref : Remove special permissions for certain mozilla domains
 // resource://app/defaults/permissions
 lockPref("permissions.manager.defaultsUrl", ""); // [DESKTOP]
+// -------------------------------------
+// Pref : Disable in-content SVG rendering
+// Disabling SVG support breaks many UI elements on many sites incl. youtube player controls
+// https://bugzilla.mozilla.org/show_bug.cgi?id=1216893
+// https://github.com/iSECPartners/publications/raw/master/reports/Tor%20Browser%20Bundle/Tor%20Browser%20Bundle%20-%20iSEC%20Deliverable%201.3.pdf#16
+// lockPref("svg.disabled", true);
 //
 // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 // Section : Web Workers
@@ -935,11 +935,13 @@ lockPref("dom.vibrator.enabled", false);
 // https://rh0dev.github.io/blog/2017/the-return-of-the-jit/
 lockPref("javascript.options.asmjs", false);
 // -------------------------------------
-// Pref : Disable Ion and baseline JIT to help harden JS against exploits
+// Pref : Disable Ion, baseline JIT and RegExp to help harden JS against exploits
 // If false, causes the odd site issue and there is also a performance loss
 // https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0817
+// https://trac.torproject.org/projects/tor/ticket/26019
 // lockPref("javascript.options.ion", false);
 // lockPref("javascript.options.baselinejit", false);
+// lockPref("javascript.options.native_regexp", false);
 // -------------------------------------
 // Pref : Disable WebAssembly
 // https://webassembly.org/
@@ -971,8 +973,11 @@ lockPref("dom.targetBlankNoOpener.enabled", true); // [DEFAULT: false]
 // Pref : Don't reveal build ID
 // Value taken from Tor Browser
 // https://bugzilla.mozilla.org/show_bug.cgi?id=583181
-lockPref("general.buildID.override", "20100101"); // [DESKTOP]
+lockPref("general.buildID.override", "20100101");
-lockPref("browser.startup.homepage_override.buildID", "20100101"); // [DESKTOP]
+lockPref("browser.startup.homepage_override.buildID", "20100101");
+lockPref("media.gmp-manager.buildID", "20190307010101"); // [DESKTOP]
+lockPref("extensions.lastAppBuildID", "20190307010101");
+lockPref("browser.sessionstore.upgradeBackup.latestBuildID", "20190307010101"); // [DESKTOP]
 // -------------------------------------
 // Pref : Disable Archive API
 // https://wiki.mozilla.org/WebAPI/ArchiveAPI
@@ -1761,10 +1766,9 @@ lockPref("geo.wifi.logging.enabled", false); // [HIDDEN PREF] // [DESKTOP]
 // >>>>>>>>>>>>>>>>>>>>>>
 // Pref : Disable websites choosing fonts (0=block, 1=allow)
 // If you disallow fonts, this drastically limits/reduces font enumeration (by JS) which is a high entropy fingerprinting vector.
-// [NOTE] You can do this with uBlock Origin
 // [NOTE] Disabling fonts can uglify the web a fair bit.
 // https://addons.mozilla.org/en-US/firefox/addon/ublock-origin/
-// defaultPref("browser.display.use_document_fonts", 0);
+defaultPref("browser.display.use_document_fonts", 0);
 // -------------------------------------
 // Pref : Set more legible default fonts
 // [NOTE] Example below for Windows/Western only
@@ -1965,6 +1969,29 @@ lockPref("privacy.trackingprotection.enabled", false);
 lockPref("privacy.trackingprotection.pbmode.enabled", false);
 lockPref("privacy.trackingprotection.introURL", ""); // [DESKTOP]
 // -------------------------------------
+// Pref : Disable cryptomining trackingprotection
+// [NOTE] uBlock is far superior and you can customize the lists as you wish
+// https://m.wiki.mozilla.org/Security/Tracking_protection#Lists
+// https://github.com/AdroitAdorKhan/EnergizedProtection
+// https://github.com/theel0ja/firefox-recommendations/blob/master/README.md
+// https://github.com/hoshsadiq/adblock-nocoin-list
+lockPref("browser.contentblocking.cryptomining.preferences.ui.enabled", false); // [DESKTOP]
+lockPref("privacy.trackingprotection.cryptomining.annotate.enabled", false);
+lockPref("privacy.trackingprotection.cryptomining.enabled", false);
+lockPref("urlclassifier.features.cryptomining.blacklistTables", "");
+lockPref("urlclassifier.features.cryptomining.whitelistTables", "");
+// -------------------------------------
+// Pref : Disable fingerprinting trackingprotection
+// [NOTE] uBlock is far superior and you can customize the lists as you wish
+// https://m.wiki.mozilla.org/Security/Tracking_protection#Lists
+// https://github.com/AdroitAdorKhan/EnergizedProtection
+// https://github.com/theel0ja/firefox-recommendations/blob/master/README.md
+lockPref("browser.contentblocking.fingerprinting.preferences.ui.enabled", false); // [DESKTOP]
+lockPref("privacy.trackingprotection.fingerprinting.annotate.enabled", false);
+lockPref("privacy.trackingprotection.fingerprinting.enabled", false);
+lockPref("urlclassifier.features.fingerprinting.blacklistTables", "");
+lockPref("urlclassifier.features.fingerprinting.whitelistTables", "");
+// -------------------------------------
 // Pref : Disable PingCentre telemetry (used in several System Add-ons)
 // Currently blocked by 'datareporting.healthreport.uploadEnabled'
 lockPref("browser.ping-centre.telemetry", false); // [DESKTOP]
@@ -2144,7 +2171,13 @@ lockPref("network.http.referer.XOriginPolicy", 2);
 // 0=send full URI (default), 1=scheme+host+port+path, 2=scheme+host+port
 lockPref("network.http.referer.XOriginTrimmingPolicy", 2);
 // -------------------------------------
-// Pref : Disable spoofing a referer
+// Pref : Send a referer header with the target URI as the source
+// https://bugzilla.mozilla.org/show_bug.cgi?id=822869
+// https://github.com/pyllyukko/user.js/issues/227
+// https://github.com/pyllyukko/user.js/issues/94
+// [NOTE] Spoofing referers breaks functionality on websites relying on authentic referer headers
+// [NOTE] Spoofing referers breaks visualisation of 3rd-party sites on the Lightbeam addon
+// [NOTE] Spoofing referers disables CSRF protection on some login pages not implementing origin-header/cookie+token based CSRF protection
 lockPref("network.http.referer.spoofSource", true); // [DEFAULT: false]
 // -------------------------------------
 // Pref : Set the default Referrer Policy
@@ -2378,7 +2411,7 @@ lockPref("pref.general.disable_button.default_browser", true); // [DESKTOP]
 lockPref("pref.privacy.disable_button.view_passwords", true); // [DESKTOP]
 // -------------------------------------
 // Pref : Disable Reader mode
-defaultPref("reader.parse-on-load.enabled", false);
+// defaultPref("reader.parse-on-load.enabled", false);
 // -------------------------------------
 // Pref : Disable dark theme on forms
 defaultPref("widget.content.gtk-theme-override", "Adwaita"); // [DESKTOP]
@@ -2389,7 +2422,7 @@ lockPref("browser.ctrlTab.recentlyUsedOrder", false); // [DESKTOP]
 // Pref : Display long lines in view-source page
 defaultPref("view_source.wrap_long_lines", true);
 // -------------------------------------
-// Pref : Enable dark mode in all "about:" pages
+// Pref : Enable dark mode in all about:* pages
 defaultPref("browser.in-content.dark-mode", true);
 //
 //