Browser Spec Maintenance Status

Last updated Nov 26, 2025, 5:52:31 AM UTC – Dec 17, 2025, 6:08:37 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 404 9 0 0 0 0 0 3 2000
w3c/webdriver 120 0 0 0 0 0 0 0 207
KhronosGroup/WebGL 97 0 0 0 0 0 0 0 142
w3c/svgwg 94 0 0 0 0 0 0 2 322
w3c/uievents 94 0 0 0 0 0 1 0 120
tc39/ecma262 85 0 0 0 0 0 0 0 389
WICG/turtledove 84 0 0 0 0 0 0 0 353
WebAudio/web-audio-api 75 0 3 0 5 0 1 1 18
w3c/csswg-drafts 75 5 0 0 0 0 57 46 4180
w3c/webdriver-bidi 73 1 0 0 0 0 0 0 179
w3c/fxtf-drafts 70 0 0 0 0 0 0 0 154
w3c/ServiceWorker 66 0 0 0 0 0 0 0 249
w3c/webappsec-credential-management 64 0 0 0 0 0 0 0 45
WebAudio/web-speech-api 57 1 0 0 0 0 0 0 0
w3c/webextensions 57 0 0 0 0 0 0 0 377
w3c/css-houdini-drafts 51 0 0 0 0 0 0 0 225
whatwg/fetch 46 1 0 0 0 0 0 0 268
WICG/webpackage 41 0 0 0 0 0 0 0 80
whatwg/webidl 41 0 0 0 0 0 0 0 224
WICG/aom 40 0 0 0 0 0 0 0 72
w3c/webappsec-csp 40 0 0 0 0 0 4 0 151
httpwg/http-extensions 38 0 0 0 0 0 0 0 71
w3c/aria 35 2 0 0 0 0 0 0 480
w3c/editing 34 1 0 0 0 0 1 6 82
w3c/png 33 0 0 0 0 0 0 0 8
WICG/file-system-access 32 0 0 0 0 0 0 0 51
immersive-web/model-element 31 0 0 0 0 0 0 0 61
whatwg/dom 31 0 0 0 0 0 0 0 211
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-fedid/digital-credentials 30 1 0 0 0 0 1 0 83
w3c-fedid/FedCM 29 0 0 0 0 0 0 0 112
WICG/fenced-frame 28 0 0 0 0 0 0 0 20
w3c/webcodecs 28 0 0 0 0 0 0 0 113
w3c/webvtt 28 0 0 0 0 0 0 0 82
WICG/manifest-incubations 26 0 0 0 0 0 0 0 19
w3c/clipboard-apis 26 0 0 0 0 0 0 1 75
w3c/mathml-core 26 0 0 0 0 0 0 0 82
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/IntersectionObserver 24 0 0 0 0 0 0 0 50
w3c/payment-handler 24 0 0 0 0 0 0 0 52
WICG/js-self-profiling 23 1 0 0 0 0 0 0 20
WICG/trust-token-api 23 0 0 0 0 0 0 0 51
w3c/webrtc-encoded-transform 23 0 0 0 0 0 0 0 58
WICG/background-fetch 22 0 0 0 0 0 0 0 41
w3c/webappsec-permissions-policy 22 0 0 0 0 0 0 0 85
WICG/first-party-sets 21 0 0 0 0 0 0 0 55
w3c/input-events 21 1 0 0 0 0 1 0 43
w3c/selection-api 21 0 0 0 0 0 0 0 49
whatwg/streams 21 0 0 0 0 0 0 0 114
patcg-individual-drafts/topics 20 0 0 0 0 0 0 0 56
tc39/ecma426 20 0 0 0 0 0 0 0 50
w3c/webappsec-cspee 20 0 0 0 0 0 0 0 3
webmachinelearning/webnn 20 0 0 0 0 0 4 0 55
whatwg/fs 20 0 0 0 0 0 0 0 39
w3c/FileAPI 19 0 0 0 0 0 0 0 35
w3c/openscreenprotocol 19 0 0 0 0 0 0 0 13
AOMediaCodec/av1-spec 18 0 0 0 0 0 0 0 42
WebBluetoothCG/web-bluetooth 18 0 0 0 0 0 0 0 81
w3c/mediacapture-image 18 0 0 0 0 0 0 0 13
WICG/portals 17 0 0 0 0 0 0 0 53
WebAssembly/spec 17 1 0 0 0 0 0 0 58
w3c/DOM-Parsing 17 0 0 0 0 0 0 0 16
w3c/html-aria 17 0 0 0 0 0 0 0 37
w3c/webrtc-pc 17 0 0 0 0 0 0 0 61
whatwg/mimesniff 17 0 0 0 0 0 0 0 38
WICG/keyboard-lock 16 0 0 0 0 0 0 0 4
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
WICG/background-sync 15 0 0 0 0 0 0 0 24
WICG/window-controls-overlay 15 0 0 0 0 0 0 0 11
WebAssembly/threads 15 0 0 0 0 0 0 0 58
w3c/media-source 15 0 0 0 0 0 0 0 96
w3c/mediasession 15 1 0 0 0 0 0 0 44
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/gamepad 14 0 0 0 0 0 0 0 48
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
privacycg/nav-tracking-mitigations 13 0 0 0 0 0 0 0 20
w3c/IndexedDB 13 0 0 0 0 0 0 0 65
w3c/manifest 13 0 0 0 0 0 0 0 59
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 59
whatwg/url 13 0 0 0 0 0 0 0 61
WICG/webusb 12 0 0 0 0 0 0 0 25
w3c/network-error-logging 12 0 0 0 0 0 0 0 24
w3c/ppa 12 2 0 0 0 0 0 0 25
w3c/window-management 12 0 0 0 0 0 0 0 29
WICG/document-picture-in-picture 11 2 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 21
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
tc39/proposal-decorators 11 3 0 0 0 0 0 0 37
tc39/proposal-explicit-resource-management 11 0 0 0 0 0 0 0 33
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 55
whatwg/fullscreen 11 0 0 0 0 0 0 0 50
whatwg/urlpattern 11 0 0 0 0 0 0 0 27
AOMediaCodec/av1-avif 10 0 0 0 0 0 0 0 21
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/storage-access 10 0 0 0 0 0 0 0 31
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
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/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/mediacapture-fromelement 9 0 0 0 0 0 0 0 19
w3c/pointerevents 9 0 0 0 0 0 0 0 31
w3c/screen-orientation 9 0 0 0 0 0 0 0 8
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 47
AOMediaCodec/av1-mpeg2-ts 8 0 0 0 0 0 0 0 8
WICG/entries-api 8 0 0 0 0 0 0 0 8
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/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
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/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 19
whatwg/quirks 8 0 0 0 0 0 0 0 9
whatwg/storage 8 0 0 0 0 0 0 0 35
AOMediaCodec/av1-rtp-spec 7 0 0 0 0 0 0 0 1
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 28
gpuweb/gpuweb 7 2 0 0 0 0 0 0 446
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 16
w3c/largest-contentful-paint 7 0 0 0 0 0 0 0 42
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
WICG/web-app-launch 6 0 0 0 0 0 0 0 11
immersive-web/depth-sensing 6 0 0 0 0 0 0 0 7
w3c/mediacapture-screen-share 6 0 0 0 0 0 0 0 25
w3c/payment-method-manifest 6 0 0 0 0 0 0 0 6
w3c/secure-payment-confirmation 6 0 0 0 0 0 0 0 25
webmachinelearning/writing-assistance-apis 6 0 0 0 0 0 1 0 8
whatwg/xhr 6 0 0 0 0 0 0 0 19
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
WICG/is-input-pending 5 0 0 0 0 0 0 0 8
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 13
privacycg/saa-non-cookie-storage 5 0 0 0 0 0 0 0 5
w3c/geolocation-sensor 5 0 0 0 0 0 0 0 12
w3c/navigation-timing 5 0 0 0 0 0 0 0 14
w3c/payment-request 5 0 0 0 0 0 0 0 49
w3c/webappsec-dbsc 5 0 0 0 0 0 0 0 15
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 20
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/nav-speculation 4 0 0 0 0 0 0 0 24
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 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/long-animation-frames 4 0 0 0 0 0 0 0 15
w3c/media-capabilities 4 0 0 0 0 0 0 0 25
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
w3c/picture-in-picture 4 0 0 0 0 0 0 0 13
whatwg/compression 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/permissions-request 3 0 0 0 0 0 0 0 1
WICG/scheduling-apis 3 0 0 0 0 0 0 0 26
WICG/signature-based-sri 3 0 0 0 0 0 0 0 9
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
ietf-wg-httpapi/idempotency 3 0 0 0 0 0 0 0 7
immersive-web/real-world-geometry 3 0 0 0 0 0 0 0 11
w3c/autoplay 3 0 0 0 0 0 0 0 9
w3c/deviceorientation 3 0 0 0 0 0 0 0 13
w3c/geolocation 3 0 0 0 0 0 0 0 20
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/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 1 0 62
w3c/webappsec-passkey-endpoints 3 0 0 0 0 0 0 0 4
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-secure-curves 2 0 0 0 0 0 0 0 6
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/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
privacycg/storage-access-headers 2 1 0 0 0 0 0 0 5
tc39/proposal-nonextensible-applies-to-private 2 0 0 0 0 0 0 0 2
tc39/proposal-temporal 2 4 0 0 0 0 0 0 32
w3c-fedid/login-status 2 0 0 0 0 0 0 0 2
w3c/badging 2 0 0 0 0 0 0 0 5
w3c/device-memory 2 0 0 0 0 0 0 0 0
w3c/element-timing 2 0 0 0 0 0 0 0 16
w3c/encrypted-media 2 0 0 0 0 0 0 0 46
w3c/gpc 2 2 0 0 0 0 0 1 6
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 41
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/screen-wake-lock 2 0 0 0 0 0 0 0 12
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-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 6
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 33
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-modern-algos 1 0 0 0 0 0 0 0 12
WebAssembly/esm-integration 1 0 0 0 0 0 0 0 12
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 5
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 6
tc39/proposal-dynamic-code-brand-checks 1 0 0 0 0 0 0 0 1
tc39/proposal-math-sum 1 0 0 0 0 0 0 0 4
w3c/IFT 1 0 0 0 0 0 0 0 2
w3c/beacon 1 0 0 0 0 0 0 0 2
w3c/html-ruby 1 0 0 0 0 0 0 0 3
w3c/image-resource 1 0 0 0 0 0 0 0 1
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/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/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
w3c/webtransport 0 3 0 0 0 0 0 0 22
w3c/webauthn 0 0 0 0 0 0 0 0 81
w3c/mediacapture-record 0 0 0 0 0 0 0 0 31
whatwg/encoding 0 0 0 0 0 0 0 0 22
WICG/sanitizer-api 0 0 0 0 0 0 0 0 19
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-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/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
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-intl-locale-info 0 0 0 0 0 0 0 0 0
tc39/proposal-iterator-sequencing 0 0 0 0 0 0 0 0 0
tc39/proposal-joint-iteration 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