tidy

In FF128 these were used to migrate to
- clearOnShutdown to clearOnShutdown_v2
- cpd to clearHistory

They are then no longer used.

The migration can be checked with
- privacy.sanitize.clearOnShutdown.hasMigratedToNewPrefs2
- privacy.sanitize.cpd.hasMigratedToNewPrefs2

Note: in FF136 there was another migration, where it changes the `ToNewPrefs2` to false
- privacy.sanitize.clearOnShutdown.hasMigratedToNewPrefs3
- privacy.sanitize.cpd.hasMigratedToNewPrefs3

AFAICT, cpd.hasMigrated* doesn't migrate until you open the clear history dialog.

prefsCleaner.bat

@@ -3,7 +3,7 @@ TITLE prefs.js cleaner
 
 REM ### prefs.js cleaner for Windows
 REM ## author: @claustromaniac
-REM ## version: 2.7
+REM ## version: 2.8
 
 CD /D "%~dp0"
 
@@ -15,7 +15,7 @@ ECHO:
 ECHO                 ########################################
 ECHO                 ####  prefs.js cleaner for Windows  ####
 ECHO                 ####        by claustromaniac       ####
-ECHO                 ####              v2.7              ####
+ECHO                 ####              v2.8              ####
 ECHO                 ########################################
 ECHO:
 CALL :message "This script should be run from your Firefox profile directory."
@@ -37,7 +37,7 @@ CALL :strlenCheck
 CALL :FFcheck
 
 CALL :message "Backing up prefs.js..."
-FOR /F "delims=" %%# IN ('powershell get-date -format "{yyyyMMdd_HHmmss}"') DO @SET ldt=%%#
+FOR /F "delims=" %%# IN ('powershell -command get-date -format "{yyyyMMdd_HHmmss}"') DO @SET ldt=%%#
 COPY /B /V /Y prefs.js "prefs-backup-%ldt%.js"
 
 CALL :message "Cleaning prefs.js..."

prefsCleaner.sh

@@ -2,7 +2,7 @@
 
 ## prefs.js cleaner for Linux/Mac
 ## author: @claustromaniac
-## version: 2.0
+## version: 2.1
 
 ## special thanks to @overdodactyl and @earthlng for a few snippets that I stol..*cough* borrowed from the updater.sh
 
@@ -132,13 +132,13 @@ done
 ## change directory to the Firefox profile directory
 cd "$(dirname "${SCRIPT_FILE}")"
 
-# Check if running as root and if any files have the owner/group as root/wheel.
+# Check if running as root and if any files have the owner as root/wheel.
 if [ "${EUID:-"$(id -u)"}" -eq 0 ]; then
 	fQuit 1 "You shouldn't run this with elevated privileges (such as with doas/sudo)."
-elif [ -n "$(find ./ -user 0 -o -group 0)" ]; then
+elif [ -n "$(find ./ -user 0)" ]; then
 	printf 'It looks like this script was previously run with elevated privileges,
 you will need to change ownership of the following files to your user:\n'
-	find . -user 0 -o -group 0
+	find . -user 0
 	fQuit 1
 fi
 
@@ -148,7 +148,7 @@ echo -e "\n\n"
 echo "                   ╔══════════════════════════╗"
 echo "                   ║     prefs.js cleaner     ║"
 echo "                   ║    by claustromaniac     ║"
-echo "                   ║           v2.0           ║"
+echo "                   ║           v2.1           ║"
 echo "                   ╚══════════════════════════╝"
 echo -e "\nThis script should be run from your Firefox profile directory.\n"
 echo "It will remove any entries from prefs.js that also exist in user.js."

scratchpad-scripts/arkenfox-cleanup.js

@@ -3,10 +3,10 @@
   - removed from the arkenfox user.js
   - deprecated by Mozilla but listed in the arkenfox user.js in the past
 
-  There is an archived version at https://github.com/arkenfox/user.js/issues/1080
-  if you want the full list prior to FF118
+  There is an archived version at https://github.com/arkenfox/user.js/issues/123
+  if you want the full list since jesus
 
-  Last updated: 29-September-2023
+  Last updated: 20-August-2025
 
   Instructions:
   - [optional] close Firefox and backup your profile
@@ -35,14 +35,25 @@
 
   const aPREFS = [
     /* DEPRECATED */
+    /* 129-140 */
+    'browser.shopping.experience2023.enabled', // 140
+    'browser.urlbar.pocket.featureGate', // 140
+    'media.ondevicechange.enabled', // 137
+    'webchannel.allowObject.urlWhitelist', // 132
     /* 116-128 */
+    'browser.contentanalysis.default_allow', // 127
+    'browser.messaging-system.whatsNewPanel.enabled', // 126
+    'browser.ping-centre.telemetry', // 123
     'dom.webnotifications.serviceworker.enabled', // 117
+    'javascript.use_us_english_locale', // 119
     'layout.css.font-visibility.private', // 118
     'layout.css.font-visibility.resistFingerprinting', // 116
     'layout.css.font-visibility.standard', // 118
     'layout.css.font-visibility.trackingprotection', // 118
+    'network.dns.skipTRR-when-parental-control-enabled', // 119
     'permissions.delegation.enabled', // 118
     'security.family_safety.mode', // 117
+    'widget.non-native-theme.enabled', // 127
     /* 103-115 */
     'browser.cache.offline.enable', // 115
     'extensions.formautofill.heuristics.enabled', // 114
@@ -65,10 +76,32 @@
     'security.ssl3.rsa_des_ede3_sha', // 93
 
     /* REMOVED */
+    /* 141-153 */
+    'security.OCSP.enabled',
+    'security.OCSP.require',
+    /* 129-140 */
+    'dom.securecontext.allowlist_onions',
+    'network.http.referer.hideOnionSource',
+    'privacy.clearOnShutdown.cache',
+    'privacy.clearOnShutdown.cookies',
+    'privacy.clearOnShutdown.downloads',
+    'privacy.clearOnShutdown.formdata',
+    'privacy.clearOnShutdown.history',
+    'privacy.clearOnShutdown.offlineApps',
+    'privacy.clearOnShutdown.sessions',
+    'privacy.cpd.cache',
+    'privacy.cpd.cookies',
+    'privacy.cpd.formdata',
+    'privacy.cpd.history',
+    'privacy.cpd.offlineApps',
+    'privacy.cpd.sessions',
     /* 116-128 */
     'browser.fixup.alternate.enabled',
     'browser.taskbar.previews.enable',
     'browser.urlbar.dnsResolveSingleWordsAfterSearch',
+    'geo.provider.network.url',
+    'geo.provider.network.logging.enabled',
+    'geo.provider.use_gpsd',
     'media.gmp-widevinecdm.enabled',
     'network.protocol-handler.external.ms-windows-store',
     'privacy.partition.always_partition_third_party_non_cookie_storage',

updater.bat

@@ -3,7 +3,7 @@ TITLE arkenfox user.js updater
 
 REM ## arkenfox user.js updater for Windows
 REM ## author: @claustromaniac
-REM ## version: 4.19
+REM ## version: 4.20
 REM ## instructions: https://github.com/arkenfox/user.js/wiki/5.1-Updater-[Options]#-windows
 
 SET v=4.19
@@ -177,7 +177,7 @@ IF EXIST user.js.new (
 		IF DEFINED _singlebackup (
 			MOVE /Y user.js user.js.bak >nul
 		) ELSE (
-			FOR /F "delims=" %%# IN ('powershell get-date -format "{yyyyMMdd_HHmmss}"') DO @SET ldt=%%#
+			FOR /F "delims=" %%# IN ('powershell -command get-date -format "{yyyyMMdd_HHmmss}"') DO @SET ldt=%%#
 			MOVE /Y user.js "user-backup-!ldt!.js" >nul
 		)
 		REN user.js.new user.js

updater.sh

@@ -2,7 +2,7 @@
 
 ## arkenfox user.js updater for macOS and Linux
 
-## version: 3.9
+## version: 4.0
 ## Author: Pat Johnson (@overdodactyl)
 ## Additional contributors: @earthlng, @ema-pe, @claustromaniac, @infinitewarp
 
@@ -393,11 +393,11 @@ update_updater "$@"
 getProfilePath # updates PROFILE_PATH or exits on error
 cd "$PROFILE_PATH" || exit 1
 
-# Check if any files have the owner/group as root/wheel.
-if [ -n "$(find ./ -user 0 -o -group 0)" ]; then
+# Check if any files have the owner as root/wheel.
+if [ -n "$(find ./ -user 0)" ]; then
 	printf 'It looks like this script was previously run with elevated privileges,
 you will need to change ownership of the following files to your user:\n'
-	find . -user 0 -o -group 0
+	find . -user 0
 	cd "$CURRDIR"
 	exit 1
 fi