✅ 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)
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