Browser Spec Maintenance Status

Last updated Mar 9, 2026, 11:26:56 PM UTC – 11:47:32 PM 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 419 2 0 0 0 0 1 13 2063
w3c/csswg-drafts 135 14 0 0 0 0 48 24 4276
w3c/webdriver 122 0 0 0 0 0 0 0 215
KhronosGroup/WebGL 95 0 0 0 0 0 0 0 139
w3c/svgwg 95 4 0 0 0 0 0 6 334
tc39/ecma262 86 0 0 0 0 0 0 0 385
WICG/turtledove 84 0 0 0 0 0 0 0 353
WebAudio/web-audio-api 76 0 3 0 5 0 3 2 18
w3c/webdriver-bidi 76 4 0 0 0 0 0 0 190
w3c/uievents 68 0 0 0 0 0 1 0 84
w3c/webappsec-credential-management 65 0 0 0 0 0 0 0 44
WebAudio/web-speech-api 64 0 0 0 0 0 0 0 0
w3c/ServiceWorker 59 1 0 0 0 0 0 0 234
w3c/webextensions 58 0 0 0 0 0 0 0 391
w3c/css-houdini-drafts 53 1 0 0 0 0 0 0 225
whatwg/fetch 46 0 0 0 0 0 0 0 271
w3c/webappsec-csp 44 0 0 0 0 0 4 0 153
whatwg/webidl 42 0 0 0 0 0 0 0 226
WICG/webpackage 41 0 0 0 0 0 0 0 80
WICG/aom 40 0 0 0 0 0 0 0 72
w3c/pointerevents 38 0 0 0 0 0 0 0 67
w3c/editing 37 0 0 0 0 0 2 1 85
w3c/aria 36 1 0 0 0 0 0 0 467
immersive-web/model-element 33 0 0 0 0 0 0 0 55
WICG/file-system-access 32 1 0 0 0 0 0 0 53
w3c/png 32 0 0 0 0 0 0 0 8
WICG/shared-storage 31 0 0 0 0 0 0 0 24
WICG/attribution-reporting-api 30 0 0 0 0 0 0 0 72
WICG/fenced-frame 29 1 0 0 0 0 0 0 20
httpwg/http-extensions 29 0 0 0 0 0 0 0 67
w3c-fedid/FedCM 29 0 0 0 0 0 1 0 115
w3c/mathml-core 29 0 0 0 0 0 0 0 82
w3c/webcodecs 29 0 0 0 0 0 0 0 117
whatwg/dom 29 1 0 0 0 0 0 0 216
w3c/webvtt 28 0 0 0 0 0 0 0 84
WICG/manifest-incubations 26 0 0 0 0 0 0 0 20
w3c/clipboard-apis 26 0 0 0 0 0 1 0 76
w3c/webrtc-encoded-transform 26 0 0 0 0 0 0 0 59
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 1 0 0 0 0 0 2 74
w3c/IntersectionObserver 24 0 0 0 0 0 0 0 50
w3c/selection-api 24 0 0 0 0 0 0 0 49
w3c/web-based-payment-handler 24 1 0 0 0 0 0 0 53
WICG/js-self-profiling 23 0 0 0 0 0 0 0 21
WICG/trust-token-api 23 0 0 0 0 0 0 0 51
WICG/background-fetch 22 0 0 0 0 0 0 0 42
w3c/openscreenprotocol 22 0 0 0 0 0 0 0 13
WICG/first-party-sets 21 0 0 0 0 0 0 0 55
w3c/input-events 21 0 0 0 0 0 2 0 43
w3c/webappsec-permissions-policy 21 1 0 0 0 0 0 0 86
w3c/webrtc-pc 21 1 0 0 0 0 0 0 62
AOMediaCodec/av1-spec 20 0 0 0 0 0 0 0 41
patcg-individual-drafts/topics 20 0 0 0 0 0 0 0 56
w3c/webappsec-cspee 20 0 0 0 0 0 0 0 3
webmachinelearning/webnn 20 0 0 0 0 0 0 0 56
whatwg/fs 20 0 0 0 0 0 0 0 42
whatwg/streams 20 0 0 0 0 0 0 0 115
WebAssembly/spec 19 0 0 0 0 0 0 0 64
tc39/ecma426 19 4 0 0 0 0 0 0 51
w3c/FileAPI 19 0 0 0 0 0 0 0 35
w3c/attribution 19 2 0 0 0 0 0 0 27
WebBluetoothCG/web-bluetooth 18 0 0 0 0 0 0 0 82
w3c/html-aria 18 1 0 0 0 0 0 0 38
w3c/mediacapture-image 18 0 0 0 0 0 0 0 13
webmachinelearning/webmcp 18 3 0 0 0 0 0 2 45
WICG/portals 17 0 0 0 0 0 0 0 53
w3c/DOM-Parsing 17 0 0 0 0 0 0 0 16
WICG/background-sync 16 0 0 0 0 0 0 0 24
WICG/keyboard-lock 16 0 0 0 0 0 0 0 4
WebAssembly/threads 16 0 0 0 0 0 0 0 56
immersive-web/lighting-estimation 16 0 0 0 0 0 0 0 4
w3c/IndexedDB 16 3 0 0 0 0 0 0 67
w3c/fingerprinting-guidance 16 0 0 0 0 0 0 0 9
w3c/media-source 16 0 0 0 0 0 0 0 97
w3c/mediasession 16 0 0 0 0 0 0 0 46
whatwg/mimesniff 16 0 0 0 0 0 0 0 43
WICG/window-controls-overlay 15 0 0 0 0 0 0 0 11
whatwg/compat 15 0 0 0 0 0 0 0 48
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/pointerlock 14 0 0 0 0 0 0 0 15
w3c/push-api 14 0 0 0 0 0 0 0 27
w3c/web-nfc 14 0 0 0 0 0 0 0 32
w3c/webappsec-clear-site-data 14 0 0 0 0 0 0 0 28
WICG/datacue 13 0 0 0 0 0 0 0 13
WICG/input-device-capabilities 13 0 0 0 0 0 0 0 6
tc39/proposal-decorators 13 0 0 0 0 0 0 0 40
w3c/gamepad 13 0 0 0 0 0 0 0 47
w3c/reporting 13 0 0 0 0 0 0 0 34
w3c/webappsec-subresource-integrity 13 0 0 0 0 0 0 0 29
whatwg/infra 13 0 0 0 0 0 0 0 60
WICG/layout-instability 12 0 0 0 0 0 0 0 21
WICG/webusb 12 0 0 0 0 0 0 0 26
privacycg/nav-tracking-mitigations 12 1 0 0 0 0 0 0 21
w3c/manifest 12 0 0 0 0 0 0 0 55
w3c/network-error-logging 12 1 0 0 0 0 0 0 24
w3c/webcrypto 12 0 0 0 0 0 0 0 50
w3c/window-management 12 0 0 0 0 0 0 0 29
whatwg/url 12 0 0 0 0 0 0 0 64
AOMediaCodec/av1-avif 11 0 0 0 0 0 0 0 25
WICG/keyboard-map 11 0 0 0 0 0 0 0 4
WICG/serial 11 0 0 0 0 0 0 0 39
tc39/proposal-explicit-resource-management 11 0 0 0 0 0 0 0 35
w3c/compute-pressure 11 0 0 0 0 0 0 0 18
w3c/sensors 11 0 0 0 0 0 0 0 50
w3c/virtual-keyboard 11 0 0 0 0 0 0 0 6
w3c/webrtc-stats 11 0 0 0 0 0 0 0 56
whatwg/urlpattern 11 0 0 0 0 0 0 0 27
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 27
WICG/storage-buckets 10 0 0 0 0 0 0 0 15
privacycg/requestStorageAccessFor 10 0 0 0 0 0 0 0 7
privacycg/storage-access 10 0 0 0 0 0 0 0 30
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/touch-events 10 0 0 0 0 0 0 0 11
whatwg/fullscreen 10 0 0 0 0 0 0 0 50
WICG/document-picture-in-picture 9 0 0 0 0 0 0 0 28
WICG/document-policy 9 0 0 0 0 0 0 0 28
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/webhid 9 0 0 0 0 0 0 0 37
immersive-web/webxr 9 0 0 0 0 0 0 0 65
tc39/ecma402 9 1 0 0 0 0 0 0 158
w3c/mediacapture-fromelement 9 0 0 0 0 0 0 0 19
w3c/screen-orientation 9 0 0 0 0 0 0 0 8
w3c/trusted-types 9 0 0 0 0 0 0 0 46
w3c/webappsec-upgrade-insecure-requests 9 0 0 0 0 0 0 0 5
WICG/direct-sockets 8 0 0 0 0 0 0 0 13
WICG/entries-api 8 0 0 0 0 0 0 0 8
WICG/media-feeds 8 0 0 0 0 0 0 0 3
WICG/shape-detection-api 8 0 0 0 0 0 0 0 13
WebAssembly/exception-handling 8 0 0 0 0 0 0 0 42
immersive-web/dom-overlays 8 1 0 0 0 0 0 0 3
patcg-individual-drafts/private-aggregation-api 8 0 0 0 0 0 0 0 14
w3c/largest-contentful-paint 8 0 0 0 0 0 0 0 42
w3c/manifest-app-info 8 0 0 0 0 0 0 0 22
w3c/media-playback-quality 8 0 0 0 0 0 0 0 12
w3c/mediacapture-transform 8 0 0 0 0 0 0 0 17
w3c/permissions 8 0 0 0 0 0 0 0 40
w3c/web-share-target 8 0 0 0 0 0 0 0 12
w3c/webappsec-change-password-url 8 0 0 0 0 0 0 0 9
whatwg/storage 8 0 0 0 0 0 0 0 35
AOMediaCodec/av1-mpeg2-ts 7 0 0 0 0 0 0 0 3
AOMediaCodec/av1-rtp-spec 7 0 0 0 0 0 0 0 1
WICG/PEPC 7 1 0 0 0 0 0 0 11
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/scroll-to-text-fragment 7 0 0 0 0 0 0 0 27
WICG/ua-client-hints 7 0 0 0 0 0 0 0 28
gpuweb/gpuweb 7 0 0 0 0 0 0 0 452
immersive-web/hit-test 7 0 0 0 0 0 0 0 10
w3c/edit-context 7 0 0 0 0 0 0 0 13
w3c/event-timing 7 0 0 0 0 0 0 0 17
w3c/mediacapture-region 7 0 0 0 0 0 0 0 14
w3c/mediacapture-viewport 7 0 0 0 0 0 0 0 7
whatwg/quirks 7 0 0 0 0 0 0 0 10
AOMediaCodec/av1-hdr10plus 6 0 0 0 0 0 0 0 5
WICG/autofill-event 6 0 0 0 0 0 0 0 4
WICG/is-input-pending 6 0 0 0 0 0 0 0 8
WICG/web-app-launch 6 0 0 0 0 0 0 0 10
immersive-web/depth-sensing 6 0 0 0 0 0 0 0 7
immersive-web/layers 6 0 0 0 0 0 0 0 13
w3c/long-animation-frames 6 0 0 0 0 0 0 0 16
w3c/mediacapture-screen-share 6 0 0 0 0 0 0 0 26
w3c/payment-method-manifest 6 0 0 0 0 0 0 0 6
w3c/picture-in-picture 6 0 0 0 0 0 0 0 15
webmachinelearning/writing-assistance-apis 6 2 0 0 0 0 1 1 10
whatwg/cookiestore 6 0 0 0 0 0 0 0 16
whatwg/xhr 6 0 0 0 0 0 0 0 18
AOMediaCodec/av1-isobmff 5 0 0 0 0 0 0 0 8
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
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 13
privacycg/saa-non-cookie-storage 5 0 0 0 0 0 0 0 5
w3c/geolocation 5 0 0 0 0 0 0 0 15
w3c/media-capabilities 5 0 0 0 0 0 0 0 25
w3c/navigation-timing 5 0 0 0 0 0 0 0 14
w3c/payment-request 5 2 0 0 0 0 0 0 46
w3c/secure-payment-confirmation 5 1 0 0 0 0 0 0 28
w3c/webappsec-dbsc 5 0 0 0 0 0 0 0 17
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
whatwg/websockets 5 0 0 0 0 0 0 0 22
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/nav-speculation 4 0 0 0 0 0 0 0 28
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
WebAssembly/js-promise-integration 4 0 0 0 0 0 0 0 2
WebAssembly/js-types 4 0 0 0 0 0 0 0 14
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 19
w3c/battery 4 0 0 0 0 0 0 0 6
w3c/contact-picker 4 0 0 0 0 0 0 0 14
w3c/mediacapture-output 4 0 0 0 0 0 0 0 15
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 4
whatwg/console 4 0 0 0 0 0 0 0 37
WICG/crash-reporting 3 0 0 0 0 0 0 0 10
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/permissions-request 3 0 0 0 0 0 0 0 1
WICG/scheduling-apis 3 0 0 0 0 0 0 0 25
WICG/signature-based-sri 3 0 0 0 0 0 0 0 9
WICG/soft-navigations 3 0 0 0 0 0 0 0 9
WICG/video-rvfc 3 0 0 0 0 0 0 0 7
WebAssembly/custom-descriptors 3 0 0 0 0 0 0 0 18
WebAssembly/wide-arithmetic 3 0 0 0 0 0 0 0 1
ietf-wg-httpapi/idempotency 3 0 0 0 0 0 0 0 7
immersive-web/body-tracking 3 0 0 0 0 0 0 0 1
w3c/autoplay 3 0 0 0 0 0 0 0 9
w3c/deviceorientation 3 0 0 0 0 0 0 0 13
w3c/encrypted-media 3 0 0 0 0 0 0 0 45
w3c/gpc 3 0 0 0 0 0 0 0 5
w3c/html-media-capture 3 0 0 0 0 0 0 0 4
w3c/presentation-api 3 0 0 0 0 0 0 0 14
w3c/remote-playback 3 0 0 0 0 0 0 0 6
w3c/resource-timing 3 0 0 0 0 0 0 0 51
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 0 58
w3c/webappsec-passkey-endpoints 3 0 0 0 0 0 0 0 3
w3c/webrtc-svc 3 0 0 0 0 0 0 0 5
whatwg/compression 3 0 0 0 0 0 0 0 20
WICG/WebApiDevice 2 0 0 0 0 0 0 0 2
WICG/periodic-background-sync 2 0 0 0 0 0 0 0 2
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/plane-detection 2 0 0 0 0 0 0 0 12
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 18
tc39/proposal-nonextensible-applies-to-private 2 0 0 0 0 0 0 0 2
w3c-fedid/login-status 2 0 0 0 0 0 0 0 2
w3c/badging 2 0 0 0 0 0 0 0 6
w3c/element-timing 2 0 0 0 0 0 0 0 16
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 1 0 0 0 0 0 0 42
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 6
w3c/screen-wake-lock 2 0 0 0 0 0 0 0 12
w3c/server-timing 2 1 0 0 0 0 0 0 9
w3c/uievents-code 2 0 0 0 0 0 0 0 0
w3c/webappsec-secure-contexts 2 0 0 0 0 0 0 0 7
webmachinelearning/translation-api 2 0 0 0 0 0 0 0 8
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/local-network-access 1 1 0 0 0 0 0 0 38
WICG/paymentlink 1 0 0 0 0 0 0 0 4
WICG/prefer-current-tab 1 0 0 0 0 0 0 0 2
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
WICG/webcrypto-secure-curves 1 0 0 0 0 0 0 0 3
WebAssembly/compact-import-section 1 0 0 0 0 0 0 0 4
WebAssembly/esm-integration 1 0 0 0 0 0 0 0 11
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
privacycg/storage-access-headers 1 0 0 0 0 0 0 0 5
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-async-explicit-resource-management 1 0 0 0 0 0 0 0 5
tc39/proposal-defer-import-eval 1 0 0 0 0 0 0 0 8
tc39/proposal-dynamic-code-brand-checks 1 0 0 0 0 0 0 0 1
tc39/proposal-joint-iteration 1 0 0 0 0 0 0 0 0
w3c/IFT 1 0 0 0 0 0 0 0 2
w3c/beacon 1 0 0 0 0 0 0 0 2
w3c/device-memory 1 0 0 0 0 0 0 0 1
w3c/hr-time 1 0 0 0 0 0 0 0 9
w3c/html-ruby 1 0 0 0 0 0 0 0 7
w3c/image-resource 1 0 0 0 0 0 0 0 1
w3c/longtasks 1 0 0 0 0 0 0 0 8
w3c/mediacapture-record 1 0 0 0 0 0 0 0 31
w3c/mse-byte-stream-format-registry 1 0 0 0 0 0 0 0 1
w3c/performance-timeline 1 0 0 0 0 0 0 0 14
w3c/web-locks 1 0 0 0 0 0 0 0 15
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 84
w3c/webtransport 1 0 0 0 0 0 0 0 27
w3c/woff 1 0 0 0 0 0 0 0 2
whatwg/encoding 1 0 0 0 0 0 0 0 23
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 21
tc39/proposal-intl-era-monthcode 0 1 0 0 0 0 0 0 4
tc39/proposal-temporal 0 1 0 0 0 0 0 0 20
WICG/webcrypto-modern-algos 0 0 0 0 0 0 0 0 12
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-source-phase-imports 0 0 0 0 0 0 0 0 7
WICG/handwriting-recognition 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/uievents-key 0 0 0 0 0 0 0 0 3
w3c/web-share 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
w3c/paint-timing 0 0 0 0 0 0 0 0 2
WICG/permissions-revoke 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-canonical-tz 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-intl-locale-info 0 0 0 0 0 0 0 0 0
tc39/proposal-json-parse-with-source 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