⛔️ Disabled `PiP` (Picture-in-Picture) feature
⛔️ Disabled autoplay of HTML5 media if you interacted with the site | FF78
⛔️ Disabled using the OS's geolocation service | FF78
⛔️ Disabled one more webextension sync process | FF78
⛔️ Disabled Top Sites as suggestion from the search bar | FF78
⛔️ Disabled chrome animations (RFP spoofs this for web content)
⛔️ Disabled FF from sending search terms to ISPs | FF77
⛔️ Disabled new contentblocking report connections prefs | FF78
⛔️ Disabled "Open with PdfJS" dialog | FF78
⛔️ Disabled new stories related activity-stream prefs | FF78
ℹ️ Grouped CBC ciphers
ℹ️ Modified some links, tag and descriptions
ℹ️ Moved some preferences from FF77+ into deprecated section (keeping them active for ESR68.x.x)
⛔️ Disabled and locked EME (FF will not download Encrypted Media Extensions, like Widevine, or ask the user to install them) | FF77
⛔️ Disabled PDFjs viewer and .pdf document permissions (like preventing the copying of text) | FF77
✅ Added, but not enabled, https_only_mode.upgrade_local (still experimental) | FF77
✅ Enforced prefers-reduced-motion as no-preference
⛔️ Disabled permissions manager from writing to disk
ℹ️ Modified some links, tag and descriptions
ℹ️ Moved some preferences from FF76+ into deprecated section (keeping them active for ESR68.x.x)
✅ Added, but not enabled, HTTPS-only-mode (experimental) | FF76
✅ Enabled Ion for installed extensions only | FF76
⛔️ Disabled compatibility heuristics to 3rd-party cookie blocking | FF76
⛔️ Disabled the default checkedness for "Save card and address to Firefox" checkboxes
⛔️ Disabled permissions manager from writing to disk
⛔️ Disabled media cache from writing to disk in Private Browsing
⛔️ Disabled purge trackers logging (main pref already disabled) | FF76
⛔️ Disabled staging auto-updates | FF76
⛔️ Disable (temporarily) "Megabar" design
⛔️ Disable Ion and baseline JIT to help harden JS against exploits
⛔️ Disabled one more telemetry pref | FF76
⛔️ Disabled one more pref related to the new about:welcome page | FF76
⛔️ Disabled ExperimentManager and relative API | FF76
ℹ️ Removed few duplicates
ℹ️ Modified some links, tag and descriptions
ℹ️ Moved some preferences from FF75+ into deprecated section (keeping them active for ESR68.x.x)
⛔️ Disabled Firefox to AutoUpdate without user consent | FF75
⛔️ Disabled DefaultBrowserAgent | FF75 | [WINDOWS]
⛔️ Disabled some UserMessaging (don't recommend extensions, browser features and specific suggestions in the URL bar) | FF75
ℹ️ Sorted SearchEngines removed in alphabetical order