Browser Spec Maintenance Status

Last updated Aug 21, 2025, 5:48:47 AM UTC – Oct 7, 2025, 6:02:26 AM UTC.

Across all browser specs, we have:

Repository Labels present Issues that need triage Urgent issues Issues due soon Agenda items Other issues
Late Late Late Late
whatwg/html 382 11 0 0 0 0 0 9 1933
w3c/webdriver 120 1 0 0 0 0 0 0 205
w3c/uievents 98 0 0 0 0 0 1 0 112
KhronosGroup/WebGL 95 0 0 0 0 0 0 0 140
w3c/svgwg 88 2 0 0 0 0 0 3 312
tc39/ecma262 86 0 0 0 0 0 0 0 393
WICG/turtledove 85 0 0 0 0 0 0 0 353
w3c/csswg-drafts 81 5 0 0 0 0 49 41 4091
w3c/css-houdini-drafts 74 2 0 0 0 0 0 0 200
w3c/fxtf-drafts 71 0 0 0 0 0 0 0 152
w3c/ServiceWorker 70 1 0 0 0 0 0 0 244
w3c/webdriver-bidi 70 0 0 0 0 0 0 0 182
WebAudio/web-audio-api 66 1 3 0 5 0 0 1 17
w3c/webappsec-credential-management 61 0 0 0 0 0 0 0 45
WebAudio/web-speech-api 54 0 0 0 0 0 0 0 0
whatwg/fetch 43 0 0 0 0 0 0 0 263
WICG/aom 40 0 0 0 0 0 0 0 73
WICG/webpackage 40 0 0 0 0 0 0 0 80
whatwg/webidl 40 0 0 0 0 0 0 0 220
httpwg/http-extensions 39 5 0 0 0 0 0 0 73
w3c/webappsec-csp 38 0 0 0 0 0 4 0 149
w3c/aria 36 0 0 0 0 0 0 0 464
w3c/png 35 0 0 0 0 0 0 0 8
WICG/file-system-access 32 0 0 0 0 0 0 0 51
w3c/editing 32 0 0 0 0 0 2 0 66
WICG/attribution-reporting-api 30 0 0 0 0 0 0 0 72
WICG/shared-storage 30 0 0 0 0 0 0 0 22
w3c/sdw 30 0 0 0 0 0 0 0 62
immersive-web/model-element 28 1 0 0 0 0 0 0 58
w3c-fedid/FedCM 28 0 0 0 0 0 0 0 113
w3c/clipboard-apis 28 1 0 0 0 0 1 0 74
whatwg/dom 28 0 0 0 0 0 0 0 210
WICG/fenced-frame 27 0 0 0 0 0 0 0 20
w3c/webcodecs 27 0 0 0 0 0 0 0 111
w3c/webvtt 27 0 0 0 0 0 0 0 83
w3c/mathml-core 26 0 0 0 0 0 0 0 81
w3c/webrtc-identity 25 0 0 0 0 0 0 0 4
WICG/web-otp 24 0 0 0 0 0 0 0 7
w3c-fedid/digital-credentials 24 0 0 0 0 0 0 1 82
w3c/payment-handler 24 0 0 0 0 0 0 0 52
w3c/webrtc-encoded-transform 24 0 0 0 0 0 0 0 56
WICG/js-self-profiling 23 0 0 0 0 0 0 0 20
WICG/trust-token-api 23 0 0 0 0 0 0 0 51
w3c/IntersectionObserver 23 0 0 0 0 0 0 0 50
WICG/background-fetch 22 0 0 0 0 0 0 0 41
w3c/input-events 22 0 0 0 0 0 0 0 42
WICG/first-party-sets 21 0 0 0 0 0 0 0 55
w3c/selection-api 21 0 0 0 0 0 0 0 49
w3c/webappsec-permissions-policy 21 0 0 0 0 0 0 0 83
whatwg/fs 21 0 0 0 0 0 0 0 38
WICG/manifest-incubations 20 0 0 0 0 0 0 0 19
w3c/FileAPI 20 0 0 0 0 0 0 0 33
w3c/webappsec-cspee 20 0 0 0 0 0 0 0 3
tc39/ecma426 19 1 0 0 0 0 0 0 48
w3c/openscreenprotocol 19 0 0 0 0 0 0 0 13
webmachinelearning/webnn 19 0 0 0 0 0 0 0 49
whatwg/streams 19 0 0 0 0 0 0 0 113
AOMediaCodec/av1-spec 18 0 0 0 0 0 0 0 42
WebBluetoothCG/web-bluetooth 18 0 0 0 0 0 0 0 81
patcg-individual-drafts/topics 18 0 0 0 0 0 0 0 56
w3c/mediacapture-image 18 0 0 0 0 0 0 0 13
WICG/portals 17 0 0 0 0 0 0 0 53
w3c/DOM-Parsing 17 0 0 0 0 0 0 0 16
w3c/webrtc-pc 17 0 0 0 0 0 0 0 58
whatwg/mimesniff 17 0 0 0 0 0 0 0 38
WICG/keyboard-lock 16 0 0 0 0 0 0 0 4
WebAssembly/spec 16 2 0 0 0 0 0 0 56
immersive-web/lighting-estimation 16 0 0 0 0 0 0 0 4
w3c/fingerprinting-guidance 16 0 0 0 0 0 0 0 9
w3c/html-aria 16 0 0 0 0 0 0 0 37
w3c/push-api 16 0 0 0 0 0 0 0 26
whatwg/compat 16 0 0 0 0 0 0 0 48
WICG/background-sync 15 0 0 0 0 0 0 0 24
w3c/gamepad 15 0 0 0 0 0 0 0 48
w3c/media-source 15 0 0 0 0 0 0 0 98
w3c/mediasession 15 0 0 0 0 0 0 0 44
w3c/pointerlock 15 0 0 0 0 0 0 0 14
whatwg/notifications 15 0 0 0 0 0 0 0 38
privacycg/private-click-measurement 14 0 0 0 0 0 0 0 38
w3c/web-nfc 14 0 0 0 0 0 0 0 31
WICG/datacue 13 0 0 0 0 0 0 0 13
WICG/input-device-capabilities 13 0 0 0 0 0 0 0 6
WICG/private-network-access 13 0 0 0 0 0 0 0 33
WICG/window-controls-overlay 13 0 0 0 0 0 0 0 11
WebAssembly/threads 13 0 0 0 0 0 0 0 59
privacycg/nav-tracking-mitigations 13 0 0 0 0 0 0 0 20
w3c/ppa 13 1 0 0 0 0 0 0 21
w3c/reporting 13 0 0 0 0 0 0 0 34
w3c/webappsec-clear-site-data 13 0 0 0 0 0 0 0 28
whatwg/infra 13 0 0 0 0 0 0 0 60
whatwg/url 13 0 0 0 0 0 0 0 59
WICG/webusb 12 0 0 0 0 0 0 0 25
w3c/network-error-logging 12 0 0 0 0 0 0 0 23
w3c/screen-orientation 12 0 0 0 0 0 0 0 8
w3c/window-management 12 0 0 0 0 0 0 0 29
AOMediaCodec/av1-avif 11 0 0 0 0 0 0 0 21
WICG/document-picture-in-picture 11 0 0 0 0 0 0 0 28
WICG/keyboard-map 11 0 0 0 0 0 0 0 4
WICG/layout-instability 11 0 0 0 0 0 0 0 20
WICG/serial 11 0 0 0 0 0 0 0 37
privacycg/requestStorageAccessFor 11 0 0 0 0 0 0 0 6
tc39/ecma402 11 0 0 0 0 0 0 0 156
w3c/IndexedDB 11 1 0 0 0 0 0 0 61
w3c/compute-pressure 11 0 0 0 0 0 0 0 18
w3c/sensors 11 0 0 0 0 0 0 0 50
w3c/webrtc-stats 11 0 0 0 0 0 0 0 55
whatwg/fullscreen 11 0 0 0 0 0 0 0 49
WICG/eyedropper-api 10 0 0 0 0 0 0 0 15
WICG/get-installed-related-apps 10 0 0 0 0 0 0 0 10
WICG/observable 10 0 0 0 0 0 0 0 26
WICG/storage-buckets 10 0 0 0 0 0 0 0 15
gpuweb/gpuweb 10 0 0 0 0 0 0 0 419
tc39/proposal-explicit-resource-management 10 0 0 0 0 0 0 0 33
w3c/at-driver 10 0 0 0 0 0 0 0 14
w3c/audio-session 10 0 0 0 0 0 0 0 13
w3c/manifest 10 0 0 0 0 0 0 0 58
w3c/touch-events 10 0 0 0 0 0 0 0 11
w3c/virtual-keyboard 10 0 0 0 0 0 0 0 6
whatwg/urlpattern 10 0 0 0 0 0 0 0 27
WICG/entries-api 9 0 0 0 0 0 0 0 7
WICG/local-font-access 9 0 0 0 0 0 0 0 19
WICG/responsive-image-client-hints 9 0 0 0 0 0 0 0 6
WICG/shape-detection-api 9 0 0 0 0 0 0 0 13
WICG/webhid 9 0 0 0 0 0 0 0 36
immersive-web/webxr 9 0 0 0 0 0 0 0 64
w3c/largest-contentful-paint 9 0 0 0 0 0 0 0 36
w3c/mediacapture-fromelement 9 0 0 0 0 0 0 0 19
w3c/webappsec-change-password-url 9 0 0 0 0 0 0 0 8
w3c/webappsec-upgrade-insecure-requests 9 0 0 0 0 0 0 0 5
w3c/webcrypto 9 0 0 0 0 0 0 0 48
whatwg/storage 9 0 0 0 0 0 0 0 34
AOMediaCodec/av1-mpeg2-ts 8 0 0 0 0 0 0 0 8
WICG/document-policy 8 0 0 0 0 0 0 0 28
WICG/media-feeds 8 0 0 0 0 0 0 0 3
WebAssembly/exception-handling 8 0 0 0 0 0 0 0 42
immersive-web/depth-sensing 8 0 0 0 0 0 0 0 8
immersive-web/dom-overlays 8 0 0 0 0 0 0 0 3
patcg-individual-drafts/private-aggregation-api 8 0 0 0 0 0 0 0 14
privacycg/storage-access 8 0 0 0 0 0 0 1 31
tc39/proposal-decorators 8 0 0 0 0 0 0 0 33
w3c/edit-context 8 0 0 0 0 0 0 0 12
w3c/media-playback-quality 8 0 0 0 0 0 0 0 3
w3c/mediacapture-transform 8 0 0 0 0 0 0 0 17
w3c/permissions 8 0 0 0 0 0 0 0 39
w3c/trusted-types 8 0 0 0 0 0 0 0 43
w3c/web-share-target 8 0 0 0 0 0 0 0 12
whatwg/cookiestore 8 0 0 0 0 0 0 0 18
whatwg/quirks 8 0 0 0 0 0 0 0 9
WICG/capability-delegation 7 0 0 0 0 0 0 0 8
WICG/content-index 7 0 0 0 0 0 0 0 10
WICG/direct-sockets 7 0 0 0 0 0 0 0 13
WICG/scroll-to-text-fragment 7 0 0 0 0 0 0 0 26
WICG/ua-client-hints 7 0 0 0 0 0 0 0 33
immersive-web/hit-test 7 0 0 0 0 0 0 0 10
immersive-web/real-world-geometry 7 0 0 0 0 0 0 0 12
w3c/event-timing 7 0 0 0 0 0 0 0 17
w3c/manifest-app-info 7 0 0 0 0 0 0 0 22
w3c/mediacapture-region 7 0 0 0 0 0 0 0 14
w3c/mediacapture-viewport 7 0 0 0 0 0 0 0 6
w3c/mediacapture-screen-share 6 0 0 0 0 0 0 0 25
w3c/navigation-timing 6 0 0 0 0 0 0 0 14
w3c/payment-method-manifest 6 0 0 0 0 0 0 0 6
w3c/pointerevents 6 0 0 0 0 0 0 0 30
w3c/secure-payment-confirmation 6 1 0 0 0 0 0 0 24
w3c/webappsec-subresource-integrity 6 0 0 0 0 0 0 0 25
AOMediaCodec/av1-isobmff 5 0 0 0 0 0 0 0 8
AOMediaCodec/av1-rtp-spec 5 0 0 0 0 0 0 0 1
WICG/csp-next 5 0 0 0 0 0 0 0 4
WICG/css-parser-api 5 0 0 0 0 0 0 0 4
WICG/document-isolation-policy 5 0 0 0 0 0 0 0 1
WICG/is-input-pending 5 0 0 0 0 0 0 0 8
WICG/web-app-launch 5 0 0 0 0 0 0 0 10
immersive-web/layers 5 0 0 0 0 0 0 0 12
immersive-web/raw-camera-access 5 0 0 0 0 0 0 0 5
immersive-web/webxr-hand-input 5 0 0 0 0 0 0 0 12
privacycg/saa-non-cookie-storage 5 0 0 0 0 0 0 0 5
w3c/contact-picker 5 0 0 0 0 0 0 0 14
w3c/geolocation-sensor 5 0 0 0 0 0 0 0 13
w3c/payment-request 5 0 0 0 0 0 0 0 47
w3c/picture-in-picture 5 0 0 0 0 0 0 0 12
w3c/webappsec-mixed-content 5 0 0 0 0 0 0 0 8
w3c/webrtc-ice 5 0 0 0 0 0 0 0 11
w3c/webrtc-priority 5 0 0 0 0 0 0 0 0
webmachinelearning/writing-assistance-apis 5 0 0 0 0 0 0 0 7
whatwg/xhr 5 0 0 0 0 0 0 0 19
AOMediaCodec/av1-hdr10plus 4 0 0 0 0 0 0 0 5
WICG/client-hints-infrastructure 4 0 0 0 0 0 0 0 15
WICG/digital-goods 4 0 0 0 0 0 0 0 5
WICG/netinfo 4 0 0 0 0 0 0 0 15
WICG/overscroll-scrollend-events 4 0 0 0 0 0 0 0 2
WICG/page-lifecycle 4 0 0 0 0 0 0 0 10
WICG/performance-measure-memory 4 0 0 0 0 0 0 0 6
WICG/savedata 4 0 0 0 0 0 0 0 1
WICG/soft-navigations 4 0 0 0 0 0 0 0 7
WebAssembly/js-types 4 0 0 0 0 0 0 0 13
immersive-web/anchors 4 0 0 0 0 0 0 0 17
tc39/proposal-atomics-microwait 4 0 0 0 0 0 0 0 3
tc39/proposal-shadowrealm 4 0 0 0 0 0 0 0 18
w3c/battery 4 0 0 0 0 0 0 0 6
w3c/deviceorientation 4 0 0 0 0 0 0 0 12
w3c/encrypted-media 4 0 0 0 0 0 0 0 43
w3c/long-animation-frames 4 0 0 0 0 0 0 0 15
w3c/media-capabilities 4 0 0 0 0 0 0 0 30
w3c/mse-byte-stream-format-isobmff 4 0 0 0 0 0 0 0 4
w3c/mst-content-hint 4 0 0 0 0 0 0 0 6
w3c/permissions-registry 4 0 0 0 0 0 0 0 3
whatwg/websockets 4 0 0 0 0 0 0 0 20
WICG/crash-reporting 3 0 0 0 0 0 0 0 13
WICG/deprecation-reporting 3 0 0 0 0 0 0 0 7
WICG/explicit-javascript-compile-hints-file-based 3 0 0 0 0 0 0 0 4
WICG/idle-detection 3 0 0 0 0 0 0 0 4
WICG/ink-enhancement 3 0 0 0 0 0 0 0 4
WICG/nav-speculation 3 0 0 0 0 0 0 0 23
WICG/permissions-request 3 0 0 0 0 0 0 0 1
WICG/scheduling-apis 3 0 0 0 0 0 0 0 26
WICG/video-rvfc 3 0 0 0 0 0 0 0 7
WebAssembly/js-promise-integration 3 0 0 0 0 0 0 0 3
WebAssembly/wide-arithmetic 3 0 0 0 0 0 0 0 1
tc39/proposal-temporal 3 0 0 0 0 0 0 0 34
w3c/autoplay 3 0 0 0 0 0 0 0 9
w3c/html-media-capture 3 0 0 0 0 0 0 0 4
w3c/html-ruby 3 0 0 0 0 0 0 0 3
w3c/image-resource 3 0 0 0 0 0 0 0 1
w3c/mediacapture-output 3 0 0 0 0 0 0 0 16
w3c/presentation-api 3 0 0 0 0 0 0 0 14
w3c/remote-playback 3 0 0 0 0 0 0 0 7
w3c/screen-wake-lock 3 0 0 0 0 0 0 0 11
w3c/timing-entrytypes-registry 3 0 0 0 0 0 0 0 2
w3c/vibration 3 0 0 0 0 0 0 0 9
w3c/w3process 3 0 0 0 0 0 0 7 79
w3c/webappsec-dbsc 3 1 0 0 0 0 0 0 12
whatwg/compression 3 0 0 0 0 0 0 0 18
whatwg/console 3 0 0 0 0 0 0 0 36
WICG/WebApiDevice 2 0 0 0 0 0 0 0 2
WICG/periodic-background-sync 2 0 0 0 0 0 0 0 2
WICG/webcrypto-modern-algos 2 1 0 0 0 0 0 0 6
WICG/webcrypto-secure-curves 2 0 0 0 0 0 0 0 5
WebAssembly/multi-memory 2 0 0 0 0 0 0 0 9
davidben/http-client-hint-reliability 2 0 0 0 0 0 0 0 1
immersive-web/body-tracking 2 0 0 0 0 0 0 0 1
immersive-web/webxr-ar-module 2 0 0 0 0 0 0 0 12
immersive-web/webxr-gamepads-module 2 0 0 0 0 0 0 0 6
privacycg/CHIPS 2 0 0 0 0 0 0 0 19
tc39/proposal-intl-locale-info 2 0 0 0 0 0 0 0 1
w3c-fedid/login-status 2 0 0 0 0 0 0 0 2
w3c/element-timing 2 0 0 0 0 0 0 0 16
w3c/hr-time 2 0 0 0 0 0 0 0 8
w3c/mediacapture-automation 2 0 0 0 0 0 0 0 0
w3c/mediacapture-handle 2 0 0 0 0 0 0 0 16
w3c/mediacapture-main 2 0 0 0 0 0 0 0 38
w3c/mediacapture-surface-control 2 0 0 0 0 0 0 0 6
w3c/proximity 2 0 0 0 0 0 0 0 3
w3c/requestidlecallback 2 0 0 0 0 0 0 0 4
w3c/resource-timing 2 0 0 0 0 0 0 0 51
w3c/server-timing 2 0 0 0 0 0 0 0 9
w3c/uievents-code 2 0 0 0 0 0 0 0 0
w3c/webappsec-passkey-endpoints 2 1 0 0 0 0 0 0 1
w3c/webappsec-secure-contexts 2 0 0 0 0 0 0 0 7
w3c/webrtc-svc 2 0 0 0 0 0 0 0 5
webmachinelearning/translation-api 2 0 0 0 0 0 0 0 5
WICG/audio-context-playout-stats 1 0 0 0 0 0 0 0 0
WICG/intervention-reporting 1 0 0 0 0 0 0 0 3
WICG/paymentlink 1 0 0 0 0 0 0 0 2
WICG/prefer-current-tab 1 0 0 0 0 0 0 0 2
WICG/signature-based-sri 1 0 0 0 0 0 0 0 7
WICG/sms-one-time-codes 1 0 0 0 0 0 0 0 8
WICG/web-smart-card 1 0 0 0 0 0 0 0 1
WebAssembly/esm-integration 1 3 0 0 0 0 0 0 8
WebAssembly/function-references 1 0 0 0 0 0 0 0 2
WebAssembly/gc 1 0 0 0 0 0 0 0 21
WebAssembly/js-string-builtins 1 0 0 0 0 0 0 0 5
httpwg/httpwg.github.io 1 0 0 0 0 0 0 0 0
immersive-web/real-world-meshing 1 0 0 0 0 0 0 0 2
screen-share/captured-mouse-events 1 0 0 0 0 0 0 0 4
screen-share/element-capture 1 0 0 0 0 0 0 0 9
tc39/proposal-arraybuffer-base64 1 0 0 0 0 0 0 0 7
tc39/proposal-async-explicit-resource-management 1 0 0 0 0 0 0 0 5
tc39/proposal-dynamic-code-brand-checks 1 0 0 0 0 0 0 0 1
tc39/proposal-json-parse-with-source 1 0 0 0 0 0 0 0 6
tc39/proposal-math-sum 1 0 0 0 0 0 0 0 5
w3c/IFT 1 0 0 0 0 0 0 0 2
w3c/badging 1 1 0 0 0 0 0 0 6
w3c/beacon 1 0 0 0 0 0 0 0 2
w3c/device-memory 1 0 0 0 0 0 0 0 1
w3c/geolocation 1 1 0 0 0 0 0 0 19
w3c/gpc 1 0 0 0 0 0 0 2 10
w3c/longtasks 1 0 0 0 0 0 0 0 8
w3c/mse-byte-stream-format-registry 1 0 0 0 0 0 0 0 0
w3c/performance-timeline 1 0 0 0 0 0 0 0 14
w3c/sdw-sosa-ssn 1 2 0 0 0 0 0 0 17
w3c/web-locks 1 0 0 0 0 0 0 0 14
w3c/web-share 1 0 0 0 0 0 0 0 6
w3c/webappsec-fetch-metadata 1 0 0 0 0 0 0 0 15
w3c/webappsec-referrer-policy 1 0 0 0 0 0 0 0 9
w3c/webauthn 1 0 0 0 0 0 0 0 72
w3c/woff 1 0 0 0 0 0 0 0 2
whatwg/testutils 1 0 0 0 0 0 0 0 0
WebAudio/web-midi-api 0 0 0 0 7 0 0 0 10
WICG/sanitizer-api 0 1 0 0 0 0 0 0 17
w3c/mediacapture-record 0 0 0 0 0 0 0 0 31
w3c/webtransport 0 0 0 0 0 0 0 0 26
whatwg/encoding 0 0 0 0 0 0 0 0 22
WICG/local-network-access 0 0 0 0 0 0 0 0 21
w3c/user-timing 0 0 0 0 0 0 0 0 10
WICG/anonymous-iframe 0 0 0 0 0 0 0 0 8
WebAssembly/branch-hinting 0 0 0 0 0 0 0 0 8
tc39/proposal-canonical-tz 0 0 0 0 0 0 0 0 7
tc39/proposal-defer-import-eval 0 0 0 0 0 0 0 0 6
tc39/proposal-source-phase-imports 0 0 0 0 0 0 0 0 6
WICG/handwriting-recognition 0 0 0 0 0 0 0 0 5
tc39/proposal-upsert 0 0 0 0 0 0 0 0 5
w3c/ambient-light 0 0 0 0 0 0 0 0 4
WebAssembly/content-security-policy 0 0 0 0 0 0 0 0 3
w3c/orientation-sensor 0 0 0 0 0 0 0 0 3
w3c/paint-timing 0 0 0 0 0 0 0 0 3
w3c/uievents-key 0 0 0 0 0 0 0 0 3
w3c/accelerometer 0 0 0 0 0 0 0 0 2
w3c/device-posture 0 0 0 0 0 0 0 0 2
w3c/gyroscope 0 0 0 0 0 0 0 0 2
w3c/magnetometer 0 0 0 0 0 0 0 0 2
WICG/permissions-revoke 0 0 0 0 0 0 0 0 1
tc39/proposal-array-from-async 0 0 0 0 0 0 0 0 1
w3c/mse-byte-stream-format-webm 0 0 0 0 0 0 0 0 1
w3c/payment-method-id 0 0 0 0 0 0 0 0 1
WICG/user-preference-media-features-headers 0 0 0 0 0 0 0 0 0
WebAssembly/extended-const 0 0 0 0 0 0 0 0 0
WebAssembly/memory64 0 0 0 0 0 0 0 0 0
WebAssembly/tail-call 0 0 0 0 0 0 0 0 0
tc39/proposal-intl-duration-format 0 0 0 0 0 0 0 0 0
tc39/proposal-iterator-sequencing 0 0 0 0 0 0 0 0 0
w3c/mse-byte-stream-format-mp2t 0 0 0 0 0 0 0 0 0
w3c/mse-byte-stream-format-mpeg-audio 0 0 0 0 0 0 0 0 0