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@powerman
Last active March 20, 2024 14:00
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user-overrides.js for use with https://github.com/ghacksuserjs/ghacks-user.js
/*** MY OVERRIDES ***/
user_pref("_user.js.parrot", "overrides section syntax error");
/* [UX,-HIST] Restore previous session after Firefox restart. */
user_pref("browser.startup.page", 3); // 0102
/* [UX,-GEO] Allow websites to detect my locale. */
user_pref("intl.accept_languages", "ru,en-us,en"); // 0210
user_pref("javascript.use_us_english_locale", false); // 0211
/* [DEV,PERF,-FP] Wanna play with HTTP/2. */
user_pref("network.http.altsvc.enabled", true); // 0703
user_pref("network.http.altsvc.oe", true); // 0703
/* [DEV] Avoid /etc/hosts & local DNS breakage when using SOCKS proxy. */
user_pref("network.proxy.socks_remote_dns", false); // 0704
/* [UX] Wanna search DuckDuckGo from location bar. */
user_pref("keyword.enabled", true); // 0801
/* [UX,-HIST] Enable search and form history. */
user_pref("browser.formfill.enable", true); // 0860
/* [SECURITY] Disable saving passwords. */
user_pref("signon.rememberSignons", false); // 0901
/* [PERF,-FP] Use cache.
* Use ETag Stoppa extension to block at least ETag. */
user_pref("browser.cache.disk.enable", true); // 1001
/* [UX,-HIST] Remember more closed tabs for undo. */
user_pref("browser.sessionstore.max_tabs_undo", 25); // 1020
/* [UX,-HIST] Restore all state for closed tab or previous session after Firefox restart. */
user_pref("browser.sessionstore.privacy_level", 0); // 1021
user_pref("browser.sessionstore.interval", 15000); // 1023
/* [UX] Enable favicons in web notifications. */
user_pref("alerts.showFavicons", true); // 1032
/* [PERF,-FP] Use SSL sessions. */
user_pref("security.ssl.disable_session_identifiers", false); // 1204
/* [UX,-SECURITY] Ignore OCSP fetch failures. */
user_pref("security.OCSP.require", false); // 1212
/* [UX] Enable insecure passive content (such as images) on https pages.
* Use uMatrix to disable it globally and then enable on per-site basis. */
user_pref("security.mixed_content.block_display_content", false); // 1241
/* [UX] Speedup detection of HTTP-only websites. */
user_pref("dom.security.https_only_mode_send_http_background_request", true); // 1246
/* [SECURITY,-FP] Disable weak ciphers. */
user_pref("security.ssl3.rsa_des_ede3_sha", false); // 1261
user_pref("security.ssl3.ecdhe_ecdsa_aes_256_sha", false); // 1264
user_pref("security.ssl3.ecdhe_ecdsa_aes_128_sha", false); // 1264
user_pref("security.ssl3.ecdhe_rsa_aes_128_sha", false); // 1264
user_pref("security.ssl3.ecdhe_rsa_aes_256_sha", false); // 1264
user_pref("security.ssl3.rsa_aes_128_sha", false); // 1264
user_pref("security.ssl3.rsa_aes_256_sha", false); // 1264
/* [-TRACKING] Always send CROSS ORIGIN referer.
* Required for Atlassian JIRA cloud. */
user_pref("network.http.referer.XOriginPolicy", 0); // 1603
/* [UX,-FP] Enable WebRTC. */
user_pref("media.peerconnection.enabled", true); // 2001
/* [UX,-SECURITY,-FP] Enable WebGL.
* Required for street view feature on Yandex maps.
* Enable MANUALLY when needed! */
// user_pref("webgl.disabled", false); // 2010
user_pref("webgl.min_capability_mode", false); // 2012
/* [UX] Enable auto-play of HTML5 media. */
//user_pref("media.autoplay.default", 0); // 2030
/* [UX,-SECURITY] Allow workers.
* NOTE: Set here your current about:config value for dom.push.userAgentID!
* May use uMatrix to disable globally & enable per-site (against miners/Meltdown/Spectre). */
user_pref("dom.serviceWorkers.enabled", true); // 2302
user_pref("dom.push.enabled", true); // 2305
/* [±UX] Enable website access to clipboard events/content.
* Slack needs dom.allow_cut_copy for copying link to message.
* May need this to avoid website breakage (like on paste rich text or custom copy). */
user_pref("dom.allow_cut_copy", true); // 2404
/* [UX,PERF,-SECURITY] Enable asm.js and WebAssembly.
* May need this to avoid website breakage and/or improve performance.
* - Taxer.ua require wasm to handle "electronic digital signature". */
// user_pref("javascript.options.asmjs", true); // 2420
user_pref("javascript.options.wasm", true); // 2422
/* [UX,-FP] Block only third-party trackers.
* Allow to store third-party secure cookies.
* Use uMatrix to accept/block cookies. */
user_pref("network.cookie.cookieBehavior", 4); // 2701
user_pref("network.cookie.thirdparty.sessionOnly", false); // 2702
/* [UX,-HIST] Disable Firefox to clear items on shutdown. */
user_pref("privacy.sanitize.sanitizeOnShutdown", false); // 2802
/* [UX,-SECURITY] Disable First Party Isolation.
* Required for Atlassian JIRA cloud.
* May need one of these (try 4002 first) to avoid website breakage. */
user_pref("privacy.firstparty.isolate", false); // 4001
// user_pref("privacy.firstparty.isolate.restrict_opener_access", false); // 4002
/* [UX,-FP] Disable resist fingerprinting.
* Required for compatibility with Gesturefy-2.x extension.
* AMO thinks I'm using FF 60.0 (ESR) and don't allow to install newer extensions.
* May need this to avoid website breakage. */
user_pref("privacy.resistFingerprinting", false); // 4501
/* [UX,-FP] Enable mozAddonManager Web API.
* Required to let AMO see installed extensions and let you add a review. */
user_pref("privacy.resistFingerprinting.block_mozAddonManager", false); // 4503
/* [UX,-FP] Disable RFP letterboxing. */
user_pref("privacy.resistFingerprinting.letterboxing", false); // 4504
/* [FP] Enable some alternatives to resist fingerprinting.
* Require dom performance for LinkedIn.
* Require site-specific zoom for UX.
* Require pointer events for Gesturefy extension.
* Wanna use all available fonts. */
user_pref("dom.enable_resource_timing", false); // 4602
// user_pref("dom.enable_performance", false); // 4603
// user_pref("browser.zoom.siteSpecific", false); // 4605
user_pref("dom.netinfo.enabled", false); // 4607
user_pref("media.webspeech.synth.enabled", false); // 4608
user_pref("media.video_stats.enabled", false); // 4610
user_pref("media.ondevicechange.enabled", false); // 4612
user_pref("webgl.enable-debug-renderer-info", false); // 4613
user_pref("ui.prefersReducedMotion", 0); // 4614
// user_pref("dom.w3c_pointer_events.enabled", false); // 4615
user_pref("ui.use_standins_for_native_colors", true); // 4616
// user_pref("layout.css.font-visibility.level", 1); // 4618
/*** CUSTOM CHANGES not related to using/fixing ghacks user.js ***/
user_pref("_user.js.parrot", "custom section syntax error");
/* [UX] Keep about 15 tabs visible at once (favicon plus 3-4 characters of title). */
user_pref("browser.tabs.tabMinWidth", 85);
/* [UX] Zoom devtools to 140%. */
user_pref("devtools.toolbox.zoomValue", "1.4");
/* [UX] Both multi-line & single-line spell check. */
user_pref("layout.spellcheckDefault", 2); // 0=none, 1-multi-line, 2=multi-line & single-line
/* [UX] Disable backspace navigate to previous page. */
user_pref("browser.backspace_action", 2); // 0=previous page, 1=scroll up, 2=do nothing
/* [UX] Copy non-ASCII URI from location bar. */
user_pref("browser.urlbar.decodeURLsOnCopy", true);
/* [UX] Disable Alt key toggling the menu bar. */
user_pref("ui.key.menuAccessKey", 0); // 18=Alt
/* Disable CFR (Contextual Feature Recommender). */
user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr", false);
/* Disable and hide Firefox Accounts and Sync. */
user_pref("identity.fxaccounts.enabled", false);
/* [UX] Disable site specific zoom (required for plugin Zoom Page WE). */
user_pref("browser.zoom.siteSpecific", false);
user_pref("_user.js.parrot", "SUCCESS");
@powerman
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Before using this user-overrides.js I recommend you to find current value of dom.push.userAgentID at about:config and copy it into this file.

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