! Title: uBlock filters – Experimental
! Expires: 1 day
! Last modified: Sun, 01 Mar 2026 06:15:18 +0000
! Diff-Path: ../patches/2026.3.20.171.patch#ublock-experimental
! Diff-Expires: 317 minutes
! License: https://github.com/uBlockOrigin/uAssets/blob/master/LICENSE
! *** uAssets:filters/experimental.txt ***
! fake buffering on the initial load
! disable quick fix
www.youtube.com#@#+js(trusted-rpnt, script, (function serverContract(), (()=>{if("YOUTUBE_PREMIUM_LOGO"===ytInitialData?.topbar?.desktopTopbarRenderer?.logo?.topbarLogoRenderer?.iconImage?.iconType)return void(ytcfg.data_.INNERTUBE_CONTEXT.client.userAgent=ytcfg.data_.INNERTUBE_CONTEXT.client.userAgent.replace?.(/(Mozilla\/5\.0 \([^)]+)/\,"$1; premium"));if(location.href.startsWith("https://www.youtube.com/tv#/")||location.href.startsWith("https://www.youtube.com/embed/"))return;document.addEventListener("DOMContentLoaded"\,(function(){const e=()=>{const e=document.getElementById("movie_player");if(!e)return;const t=e.getProgressState?.()\,o=e.getPlayerResponse?.();if(t&&t.duration>0&&(t.loaded<t.duration||t.duration-t.current>1)||o?.videoDetails?.isLive){if(!e.getStatsForNerds?.()?.debug_info?.startsWith?.("SSAP\, AD")){const t=o.videoDetails?.videoId;return void("UNPLAYABLE"!==o?.playabilityStatus?.status||o?.playabilityStatus?.errorScreen?.playerErrorMessageRenderer?.playerCaptchaViewModel||"WEB_PAGE_TYPE_UNKNOWN"!==o?.playabilityStatus?.errorScreen?.playerErrorMessageRenderer?.subreason?.runs?.[0]?.navigationEndpoint?.commandMetadata?.webCommandMetadata?.webPageType||"https://support.google.com/youtube/answer/3037019"!==o?.playabilityStatus?.errorScreen?.playerErrorMessageRenderer?.subreason?.runs?.[0]?.navigationEndpoint?.commandMetadata?.webCommandMetadata?.url||e.loadVideoById(t\,o.playerConfig?.playbackStartConfig?.startSeconds??0))}t.duration>0&&e.seekTo?.(t.duration)}};e()\,new MutationObserver((()=>{e()})).observe(document\,{childList:!0\,subtree:!0})}));const e={apply:(e\,t\,o)=>{const r=o[0];return"function"==typeof r&&r.toString().includes("onAbnormalityDetected")&&(o[0]=function(){})\,Reflect.apply(e\,t\,o)}};window.Promise.prototype.then=new Proxy(window.Promise.prototype.then\,e)})();(function serverContract(), sedCount, 1)
www.youtube.com#@#+js(trusted-edit-inbound-object, JSON.stringify, 0, [?..playbackContext.contentPlaybackContext][?!.attestationRequest][?!.captionsRequested][?!.settingItemIds][?!.params^="YAHIAQ"][?!..mainAppWebInfo.graftUrl*="&list="][?!..mainAppWebInfo.graftUrl*="/shorts/"][?!..userAgent*="premium"]..client[?.clientName=="WEB"]+={"clientScreen":"CHANNEL"})
www.youtube.com#@#+js(set, ytcfg.data_.EXPERIMENT_FLAGS.web_streaming_watch, false)
!#if env_firefox
www.youtube.com#@##page-manager:has(#player-error-message-container #subreason a.yt-simple-endpoint[href="https://support.google.com/youtube/answer/3037019"]) ytd-watch-flexy[player-unavailable]:remove-attr(player-unavailable)
!#else
www.youtube.com#@#+js(ra, player-unavailable, #page-manager:has(#player-error-message-container #subreason a.yt-simple-endpoint[href="https://support.google.com/youtube/answer/3037019"]) ytd-watch-flexy[player-unavailable], asap stay)
!#endif
www.youtube.com#@##page-manager:has(#player-error-message-container #subreason a.yt-simple-endpoint[href="https://support.google.com/youtube/answer/3037019"]) ytd-watch-flexy[player-unavailable] :is(#player-container-outer, #cinematics-container, #ytd-player > #container):style(visibility: visible !important;)
www.youtube.com#@##page-manager:has(#player-error-message-container #subreason a.yt-simple-endpoint[href="https://support.google.com/youtube/answer/3037019"]) yt-playability-error-supported-renderers#error-screen
www.youtube.com#@#.ytdMiniplayerPlayerContainerHost .ytdMiniplayerPlayerContainerPlayabilityError
www.youtube.com#@#+js(nostif, ()\,a\,b);, 5000)
! disable quick fix 2
www.youtube.com#@#+js(trusted-rpnt, script, (function serverContract(), (()=>{if("YOUTUBE_PREMIUM_LOGO"===ytInitialData?.topbar?.desktopTopbarRenderer?.logo?.topbarLogoRenderer?.iconImage?.iconType||location.href.startsWith("https://www.youtube.com/tv#/")||location.href.startsWith("https://www.youtube.com/embed/"))return;const e=ytcfg.data_.INNERTUBE_CONTEXT.client.userAgent\,t=t=>{ytcfg.data_.INNERTUBE_CONTEXT.client.userAgent=t?e.replace?.(/(Mozilla\/5\.0 \([^)]+)/\,"$1; "+t):e}\,o=["channel"];let a=!1\,r=o;document.addEventListener("DOMContentLoaded"\,(function(){const e=()=>{const e=document.getElementById("movie_player");if(!e||!window.location.href.includes("/watch?"))return void(r=o);const n=e.getPlayerResponse?.()\,s=e.getProgressState?.()\,i=e.getStatsForNerds?.();if(s&&s.duration>0&&(s.loaded<s.duration||s.duration-s.current>1)||n?.videoDetails?.isLive){if(!i?.debug_info?.startsWith?.("SSAP\, AD")){const o=n.videoDetails?.videoId\,s=n.playerConfig?.playbackStartConfig?.startSeconds??0\,d=e.getPlayerStateObject?.()?.isBuffering;return void("UNPLAYABLE"!==n?.playabilityStatus?.status||n?.playabilityStatus?.errorScreen?.playerErrorMessageRenderer?.playerCaptchaViewModel||"WEB_PAGE_TYPE_UNKNOWN"!==n?.playabilityStatus?.errorScreen?.playerErrorMessageRenderer?.subreason?.runs?.[0]?.navigationEndpoint?.commandMetadata?.webCommandMetadata?.webPageType||"https://support.google.com/youtube/answer/3037019"!==n?.playabilityStatus?.errorScreen?.playerErrorMessageRenderer?.subreason?.runs?.[0]?.navigationEndpoint?.commandMetadata?.webCommandMetadata?.url?0===r.length?(a=!1\,t("")):d&&"0.00 s"===i?.buffer_health_seconds&&"0x0"===i?.resolution&&a&&(t(r[0])\,a=!1\,e.loadVideoById(o\,s)):(r=r.slice(1)\,r.length>0?t(r[0]):t("")\,a=!1\,e.loadVideoById(o\,s)))}s.duration>0&&e.seekTo?.(s.duration)}};e()\,new MutationObserver((()=>{e()})).observe(document\,{childList:!0\,subtree:!0})}))\,window.Map.prototype.has=new Proxy(window.Map.prototype.has\,{apply:(e\,t\,o)=>{if("onSnackbarMessage"===o?.[0]&&!a){const e=document.getElementById("movie_player");if(!e)return;const t=e.getStatsForNerds?.()\,o=e.getPlayerStateObject?.()?.isBuffering\,n=e.getPlayerResponse?.()?.playbackTracking?.videostatsPlaybackUrl?.baseUrl;o&&"0.00 s"===t?.buffer_health_seconds&&"0x0"===t?.resolution&&r.length>0&&(n.includes("reloadxhr")&&(r=r.slice(1))\,a=!0)}return Reflect.apply(e\,t\,o)}});const n={apply:(e\,t\,o)=>{const a=o[0];return"function"==typeof a&&a.toString().includes("onAbnormalityDetected")&&(o[0]=function(){})\,Reflect.apply(e\,t\,o)}};window.Promise.prototype.then=new Proxy(window.Promise.prototype.then\,n)})();(function serverContract(), sedCount, 1)
! experimental
! www.youtube.com##+js(trusted-edit-inbound-object, JSON.stringify, 0, '[?..playbackContext.contentPlaybackContext][?!.attestationRequest][?!.captionsRequested][?!.settingItemIds][?!..mainAppWebInfo.graftUrl*="&list="][?!..mainAppWebInfo.graftUrl*="/shorts/"][?!..userAgent*="premium"][?.params][?!.params^="yAEB"][?!.params^="YAHIAQ"].params=repl({"regex":"^","replacement":"yAEB"})')
! www.youtube.com##+js(trusted-edit-inbound-object, JSON.stringify, 0, [?..playbackContext.contentPlaybackContext][?!.attestationRequest][?!.captionsRequested][?!.settingItemIds][?!..mainAppWebInfo.graftUrl*="&list="][?!..mainAppWebInfo.graftUrl*="/shorts/"][?!..userAgent*="premium"][?!.params]+={"params":"yAEB"})
! Experimental 3
www.youtube.com##+js(trusted-rpnt, script, (function serverContract(), '(()=>{if("YOUTUBE_PREMIUM_LOGO"===ytInitialData?.topbar?.desktopTopbarRenderer?.logo?.topbarLogoRenderer?.iconImage?.iconType||location.href.startsWith("https://www.youtube.com/tv#/")||location.href.startsWith("https://www.youtube.com/embed/"))return;const e=ytcfg.data_.INNERTUBE_CONTEXT.client.userAgent,t=t=>{ytcfg.data_.INNERTUBE_CONTEXT.client.userAgent=t?e.replace?.(/(Mozilla\/5\.0 \([^)]+)/,"$1; "+t):e},o=["adunit","lactmilli","channel","instream","eafg"];let a=!1,n=o;document.addEventListener("DOMContentLoaded",(function(){const e=()=>{const e=document.getElementById("movie_player");if(!e||!window.location.href.includes("/watch?"))return void(n=o);const r=e.getPlayerResponse?.(),i=e.getProgressState?.(),s=e.getStatsForNerds?.();if(i&&i.duration>0&&(i.loaded<i.duration||i.duration-i.current>1)||r?.videoDetails?.isLive){if(!s?.debug_info?.startsWith?.("SSAP, AD")){const o=r.videoDetails?.videoId,i=r.playerConfig?.playbackStartConfig?.startSeconds??0,l=e.getPlayerStateObject?.()?.isBuffering;return void("UNPLAYABLE"!==r?.playabilityStatus?.status||r?.playabilityStatus?.errorScreen?.playerErrorMessageRenderer?.playerCaptchaViewModel||"WEB_PAGE_TYPE_UNKNOWN"!==r?.playabilityStatus?.errorScreen?.playerErrorMessageRenderer?.subreason?.runs?.[0]?.navigationEndpoint?.commandMetadata?.webCommandMetadata?.webPageType||"https://support.google.com/youtube/answer/3037019"!==r?.playabilityStatus?.errorScreen?.playerErrorMessageRenderer?.subreason?.runs?.[0]?.navigationEndpoint?.commandMetadata?.webCommandMetadata?.url?0===n.length?(a=!1,t("")):l&&"0.00 s"===s?.buffer_health_seconds&&"0x0"===s?.resolution&&a&&(t(n[0]),a=!1,e.loadVideoById(o,i)):(n=n.slice(1),n.length>0?t(n[0]):t(""),a=!1,e.loadVideoById(o,i)))}i.duration>0&&e.seekTo?.(i.duration)}};e(),new MutationObserver((()=>{e()})).observe(document,{childList:!0,subtree:!0})})),window.Map.prototype.has=new Proxy(window.Map.prototype.has,{apply:(e,t,o)=>{if("onSnackbarMessage"===o?.[0]&&!a){const e=document.getElementById("movie_player");if(!e)return;const t=e.getStatsForNerds?.(),o=e.getPlayerStateObject?.()?.isBuffering,r=e.getPlayerResponse?.()?.playbackTracking?.videostatsPlaybackUrl?.baseUrl;o&&"0.00 s"===t?.buffer_health_seconds&&"0x0"===t?.resolution&&n.length>0&&(r.includes("reloadxhr")&&(n=n.slice(1)),a=!0)}return Reflect.apply(e,t,o)}}),window.JSON.stringify=new Proxy(window.JSON.stringify,{apply:(e,t,o)=>{let a=o?.[0],n=a?.context?.client;return"object"==typeof a&&"attestationRequest"in a&&"object"==typeof a?.playbackContext?.contentPlaybackContext&&n?.mainAppWebInfo?.graftUrl?.includes("/watch?")&&n?.userAgent?.includes("lactmilli")&&(o[0].playbackContext.contentPlaybackContext.lactMilliseconds=window.String(Date.now())),Reflect.apply(e,t,o)}});const r={apply:(e,t,o)=>{const a=o[0];return"function"==typeof a&&a.toString().includes("onAbnormalityDetected")&&(o[0]=function(){}),Reflect.apply(e,t,o)}};window.Promise.prototype.then=new Proxy(window.Promise.prototype.then,r)})();(function serverContract()', sedCount, 1)
www.youtube.com##+js(trusted-json-edit-xhr-request, [?..userAgent*="adunit"]..client[?.clientName=="WEB"]+={"clientScreen":"ADUNIT"}, propsToMatch, /player?)
www.youtube.com##+js(trusted-json-edit-xhr-request, [?..userAgent*="lactmilli"][?..graftUrl*="&list="]+={"params":"8AUB"}, propsToMatch, /player?)
www.youtube.com##+js(trusted-json-edit-xhr-request, [?..userAgent*="instream"]..playbackContext[?.contentPlaybackContext]+={"adPlaybackContext":{"adType":"AD_TYPE_INSTREAM"}}, propsToMatch, /player?)
www.youtube.com##+js(trusted-json-edit-xhr-request, [?..userAgent*="eafg"]+={"params":"eAFgAQ"}, propsToMatch, /player?)
www.youtube.com##+js(trusted-json-edit-xhr-response, '[?..minimumPlaybackRate==100]..playerConfig.granularVariableSpeedConfig+={"minimumPlaybackRate":25,"maximumPlaybackRate":200,"defaultPlaybackRateOptions":[{"label":"1.0","value":100,"isPremiumUpsell":false,"priority":5},{"label":"1.25","value":125,"isPremiumUpsell":false,"priority":2},{"label":"1.5","value":150,"isPremiumUpsell":false,"priority":3},{"label":"1.75","value":175,"isPremiumUpsell":false,"priority":0},{"label":"2.0","value":200,"isPremiumUpsell":false,"priority":4},{"label":"3.0","value":300,"isPremiumUpsell":true,"priority":1}]}', propsToMatch, /player?)
www.youtube.com###toast:has(> #action-button a.yt-spec-button-shape-next[href^="https://support.google.com/youtube/answer/3037019"])
!#if cap_html_filtering
! www.twitch.tv/esl_dota2
||ttvnw.net/v1/playlist$xhr,3p,replace=/#EXT-X-DATERANGE:ID="(stitched-ad|maf-ad|source|trigger)"\S+\n|#EXT-X-DATERANGE:ID=\S+?CLASS="twitch-(?:stream-source|trigger|maf-ad)"\S+\n|#EXT-X-DATERANGE:\S+?CLASS="twitch-ad-quartile".+?(?=(#EXT-X-DATERANGE|$))|(\n#EXT-X-DISCONTINUITY\s|#EXT-X-TWITCH-PREFETCH\S+)//gs
www.twitch.tv##[data-a-target="video-ad-label"]
www.twitch.tv##[data-a-target="video-ad-countdown"]
www.twitch.tv##button[aria-label="Leave feedback for this Ad"]
www.twitch.tv##button[aria-label="Learn more about this ad"]
www.twitch.tv##:matches-path(/^\/[0-9_a-z]+$/) .video-player__overlay > .follow-panel-overlay.tw-transition[aria-hidden="false"]
www.twitch.tv##:matches-path(/^\/[0-9_a-z]+$/) .top-bar--pointer-enabled > div > .tw-media-card-stat
www.twitch.tv##:matches-path(/^\/[0-9_a-z]+$/) [data-a-target="video-ref"]:has(.video-player__overlay > .follow-panel-overlay.tw-transition[aria-hidden="false"]) + div[class^="Layout-sc-"][hidden=""]:style(display:block !important;)
www.twitch.tv##:matches-path(/^\/[0-9_a-z]+$/) div.video-player__overlay > div[class*="InjectLayout-sc-"] > div.player-overlay-background--darkness-3
!#endif