user-overrides.js

// Designed for arkenfox: https://github.com/arkenfox/user.js/
// MOTTO: This ain't Tor Browser.

// Patches
  user_pref("network.dns.preferIPv6", true); // Fixes Firefox's own DNS resolver not preferring IPv6 like expected

// Usability
  /// Session Restore
  user_pref("browser.startup.page", 3);
  user_pref("privacy.clearOnShutdown_v2.historyFormDataAndDownloads", false);

  /// Disable wiping browser data on shutdown
  user_pref("privacy.sanitize.sanitizeOnShutdown", false);

  /// Re-enable disk cache
  user_pref("browser.cache.disk.enable", true);
  user_pref("privacy.clearOnShutdown.cache", false);
  user_pref("privacy.clearOnShutdown_v2.cache", false);

// Security
  /// Disable Firefox's built-in password manager
  user_pref("signon.rememberSignons", false);

// Privacy
  user_pref("privacy.globalprivacycontrol.enabled", true);
  user_pref("extensions.pocket.enabled", false);
  user_pref("geo.provider.network.url", "https://api.beacondb.net/v1/geolocate"); // Switch to beaconDB as the network location service (instead of Google's!)
  user_pref("browser.search.separatePrivateDefault", false); // Use the same search engine for private-browsing as when not
  // TODO: How to set the search engine here?

// Performance (Stolen from https://codeberg.org/divested/brace/src/branch/master/brace/usr/lib/firefox/browser/defaults/preferences/userjs-brace.js)
  user_pref("browser.tabs.remote.autostart", true);
  user_pref("browser.tabs.remote.force-enabled", true);
  user_pref("extensions.webextensions.remote", true);
  user_pref("gfx.canvas.azure.accelerated", true);
  user_pref("gfx.webrender.all", true);
  user_pref("gfx.webrender.compositor", true);
  user_pref("gfx.webrender.enabled", true);
  user_pref("layers.acceleration.force-enabled", true);
  user_pref("layers.omtp.enabled", true);
  user_pref("media.ffmpeg.vaapi.enabled", true);
  user_pref("media.hardware-video-decoding.force-enabled", true);
  user_pref("widget.wayland-dmabuf-vaapi.enabled", true);