{
  /*** [SECTION 4600]: RFP ALTERNATIVES
       [WARNING] DO NOT USE prefs in this section with RFP as they can interfere
  ***/
  /* [SETUP-non-RFP] Non-RFP users replace the * with a slash on this line to enable these
  // FF55+
  // 4601: [2514] spoof number of CPU cores [FF48+]
     // [1] https://bugzilla.mozilla.org/1008453
     // [2] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/21675
     // [3] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/22127
     // [4] https://html.spec.whatwg.org/multipage/workers.html#navigator.hardwareconcurrency
  user_pref("dom.maxHardwareConcurrency", 2);
  // FF56+
  // 4602: [2411] disable resource/navigation timing
  user_pref("dom.enable_resource_timing", false);
  // 4603: [2412] disable timing attacks
     // [1] https://wiki.mozilla.org/Security/Reviews/Firefox/NavigationTimingAPI
     // user_pref("dom.enable_performance", false);
  // 4604: [2512] disable device sensor API
     // Optional protection depending on your device
     // [1] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/15758
     // [2] https://blog.lukaszolejnik.com/stealing-sensitive-browser-data-with-the-w3c-ambient-light-sensor-api/
     // [3] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1357733,1292751
     // user_pref("device.sensors.enabled", false);
  // 4605: [2515] disable site specific zoom
     // Zoom levels affect screen res and are highly fingerprintable. This does not stop you using
     // zoom, it will just not use/remember any site specific settings. Zoom levels on new tabs
     // and new windows are reset to default and only the current tab retains the current zoom
  user_pref("browser.zoom.siteSpecific", false);
  // 4606: [2501] disable gamepad API - USB device ID enumeration
     // Optional protection depending on your connected devices
     // [1] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/13023
     // user_pref("dom.gamepad.enabled", false);
  // 4607: [2503] disable giving away network info [FF31+]
     // e.g. bluetooth, cellular, ethernet, wifi, wimax, other, mixed, unknown, none
     // [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); // [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
     // [3] https://wiki.mozilla.org/HTML5_Speech_API
  user_pref("media.webspeech.synth.enabled", false);
  // FF57+
  // 4610: [2506] disable video statistics - JS performance fingerprinting [FF25+]
     // [1] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/15757
     // [2] https://bugzilla.mozilla.org/654550
  user_pref("media.video_stats.enabled", false);
  // 4611: [2509] disable touch events
     // fingerprinting attack vector - leaks screen res & actual screen coordinates
     // 0=disabled, 1=enabled, 2=autodetect
     // Optional protection depending on your device
     // [1] https://developer.mozilla.org/docs/Web/API/Touch_events
     // [2] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/10286
     // user_pref("dom.w3c_touch_events.enabled", 0);
  // FF59+
  // 4612: [2505] disable media device enumeration [FF29+]
     // [1] https://wiki.mozilla.org/Media/getUserMedia
     // [2] https://developer.mozilla.org/docs/Web/API/MediaDevices/enumerateDevices
  user_pref("media.navigator.enabled", false);
  // 4613: [2511] disable MediaDevices change detection [FF51+]
     // [1] https://developer.mozilla.org/docs/Web/Events/devicechange
     // [2] https://developer.mozilla.org/docs/Web/API/MediaDevices/ondevicechange
  user_pref("media.ondevicechange.enabled", false);
  // FF60+
  // 4614: [2522] disable WebGL debug info being available to websites
     // [1] https://bugzilla.mozilla.org/1171228
     // [2] https://developer.mozilla.org/docs/Web/API/WEBGL_debug_renderer_info
  user_pref("webgl.enable-debug-renderer-info", false);
  // FF63+
  // 4615: enforce prefers-reduced-motion as no-preference [FF63+] [RESTART]
     // 0=no-preference, 1=reduce
  user_pref("ui.prefersReducedMotion", 0); // [HIDDEN PREF]
  // FF64+
  // 4616: [2516] disable PointerEvents [FF86 or lower]
     // [1] https://developer.mozilla.org/docs/Web/API/PointerEvent
     // [-] https://bugzilla.mozilla.org/1688105
  user_pref("dom.w3c_pointer_events.enabled", false);
  // FF67+
  // 4617: [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
     // [SETUP-CHROME] Might affect CSS in themes and extensions
     // [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=232227,1330876
  user_pref("ui.use_standins_for_native_colors", true);
  // 4618: enforce prefers-color-scheme as light [FF67+]
     // 0=light, 1=dark : This overrides your OS value
  user_pref("ui.systemUsesDarkTheme", 0); // [HIDDEN PREF]
  // FF72+
  // 4619: [2510] disable Web Audio API [FF51+]
     // [1] https://bugzilla.mozilla.org/1288359
     // user_pref("dom.webaudio.enabled", false);
  // FF80+
  // 4620: limit font visibility (Windows, Mac, some Linux) [FF79+]
     // Uses hardcoded lists with two parts: kBaseFonts + kLangPackFonts [1]
     // 1=only base system fonts, 2=also fonts from optional language packs, 3=also user-installed fonts
     // [NOTE] Bundled fonts are auto-allowed
     // [1] https://searchfox.org/mozilla-central/search?path=StandardFonts*.inc
  user_pref("layout.css.font-visibility.level", 1);
  // ***/
}