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w3c

247 indexed repositories · View on GitHub

ServiceWorker
Service Workers

Bikeshed · 3635 stars
epubcheck
The conformance checker for EPUB publications

Java · 1962 stars
css-houdini-drafts

Bikeshed · 1889 stars
wcag
Web Content Accessibility Guidelines

HTML · 1490 stars
webauthn
Web Authentication: An API for accessing Public Key Credentials

Bikeshed · 1461 stars
aria-practices
WAI-ARIA Authoring Practices Guide (APG)

HTML · 1353 stars
webcodecs
WebCodecs is a flexible web API for encoding and decoding audio and video.

HTML · 1287 stars
webtransport
WebTransport is a web API for flexible data transport

Bikeshed · 991 stars
clreq
Requirements for Chinese Text Layout

HTML · 809 stars
svgwg
SVG Working Group specifications

HTML · 778 stars
aria
Accessible Rich Internet Applications (WAI-ARIA)

HTML · 753 stars
manifest
Manifest for web apps

HTML · 720 stars
webdriver
Remote control interface that enables introspection and control of user agents.

HTML · 718 stars
webextensions
Charter and administrivia for the WebExtensions Community Group (WECG)

Bikeshed · 711 stars
trusted-types
A browser API to prevent DOM-Based Cross Site Scripting in modern web applications.

JavaScript · 662 stars
chinese-ig
Web中文兴趣组

HTML · 537 stars
webdriver-bidi
Bidirectional WebDriver protocol for browser automation

Bikeshed · 513 stars
payment-request
Payment Request API

HTML · 510 stars
trace-context
Trace Context

Python · 510 stars
webappsec-dbsc
Device Bound Session Credentials: A Protocol for Protecting From Cookie Theft

Bikeshed · 495 stars
227 more repositories live on View on GitHub

Beginner friendly Everything

Open All

[css-inline] text-box-trim stops affecting direct text when using flex/grid Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

w3c/csswg-drafts#14514 · Opened Sep 20, 2026
All data recovery, help, please Open

resources-list

Difficulty 5/5 Over a week Newbie friendliness 10/100

w3c/wai-website#2334 · Opened Sep 19, 2026
I want to Recovery, someone hack my personal data Open

resources-list

Difficulty 5/5 Over a week Newbie friendliness 10/100

w3c/wai-website#2333 · Opened Sep 19, 2026
[css-position-4] Outline painting order matches neither in-band nor out-of-band Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

w3c/csswg-drafts#14513 · Opened Sep 19, 2026
Implementation data has not updated since 4 September – "Implementation update" workflow can no longer push to main Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

w3c/wcag-act-rules#444 · Opened Sep 19, 2026
Two unrunnable fixtures in shacl12-test-suite/tests/core/node/: in-003.ttl (undeclared shsh: prefix) and in-002.ttl (undefined ex:TestShape) Open

Difficulty 3/5 1-2 days Newbie friendliness 62/100

w3c/data-shapes#1266 · Opened Sep 19, 2026
Add language: [language] Open

Difficulty 4/5 3-5 days Newbie friendliness 68/100

w3c/wai-wcag-em-report-tool#313 · Opened Sep 19, 2026
Jorgeluis0404 Open

wcag-intro

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

w3c/wai-website#2331 · Opened Sep 19, 2026
General editorial comments on the WCAG2ICT draft Open

Difficulty 2/5 1-2 days Newbie friendliness 72/100

w3c/wcag2ict#1001 · Opened Sep 18, 2026
Threats and Harms Modeling for AI Open

AIandSociety

w3c/tpac2026-miniworkshops#16 · 2 assignees · Opened Sep 18, 2026
CI lint failure gives no details of what the lint errors are Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

w3c/browser-specs#2641 · Opened Sep 18, 2026
Enabled emissions Open

AIandSociety

w3c/tpac2026-miniworkshops#15 · 1 comment · 2 assignees · Opened Sep 18, 2026
A dc:date ending in '.' throws NoSuchElementException and aborts validation with an empty report Open

status: has PR type: bug

w3c/epubcheck#1731 · 1 comment · 1 assignee · Opened Sep 18, 2026
Add a way for RPs to ensure registration of certain authenticator-supported UV methods Open

type:technical

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/webauthn#2482 · Opened Sep 18, 2026
Add `Hashtag` Open

Needs Group Input/Decision Next version

w3c/activitystreams#792 · 1 assignee · Opened Sep 18, 2026
Polling Discussion Open

needs-triage

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/wot-thing-description#2235 · Opened Sep 18, 2026
Add `sensitive` Open

Needs Group Input/Decision Next version

Difficulty 3/5 1-2 days Newbie friendliness 62/100

w3c/activitystreams#791 · Opened Sep 18, 2026
not all valid JSON-LD documents can be semantically compressed with CBOR-LD Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

w3c/cbor-ld#122 · Opened Sep 18, 2026
Requesting addition of an Accessibility Considerations section Open

close? pending tracker

Difficulty 5/5 Over a week Newbie friendliness 15/100

w3c/a11y-tracking#355 · Opened Sep 18, 2026
AG WG Review: 3.1.6 Pronunciation (Level AAA) WCAG2ICT Guidance Open

Please Review

Difficulty 3/5 1-2 days Newbie friendliness 55/100

w3c/wcag2ict#1000 · 1 comment · 1 reaction · Opened Sep 18, 2026
Ambiguity of uppercase vs lowercase usage of RFC 2119 key words Open

Conformance

Difficulty 3/5 1-2 days Newbie friendliness 66/100

w3c/wcag3#873 · 2 comments · Opened Sep 18, 2026
Where Do the Harms Move? Comparing Online, Device- and Credential-Based Age Assurance Open

AgeAssurance

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/tpac2026-miniworkshops#14 · Opened Sep 18, 2026
Link "TLS Keying Material Exporter" Open

Difficulty 1/5 Under an hour Newbie friendliness 92/100

w3c/webtransport#794 · Opened Sep 18, 2026
What should happen when `@container` is the empty array Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

w3c/json-ld-api#718 · 1 reaction · Opened Sep 18, 2026
Status of Docker Integration (TODO in README) Open

Difficulty 5/5 Over a week Newbie friendliness 42/100

w3c/vc-di-ed25519signature2020-test-suite#66 · Opened Sep 18, 2026
Offer a human-readable way to locate the annotation in the publication Open

Spec-Annotations

Difficulty 5/5 Over a week Newbie friendliness 30/100

w3c/epub-specs#3071 · 2 comments · Opened Sep 18, 2026
EPUBChecker 5.4.0 – Validation Errors for xml:lang in OPF and aria-labelledby in nav.xhtml Open

status: waiting for feedback type: unverified

w3c/epubcheck#1730 · 3 comments · 1 reaction · 1 assignee · Opened Sep 18, 2026
[css-fonts] Support the next generation of variable fonts tech with 3 new tech() tokens Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

w3c/csswg-drafts#14509 · Opened Sep 18, 2026
PQ cryptography options for Web Push Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

w3c/webappswg#157 · Opened Sep 18, 2026
建议明确「行间标点应尽量紧贴所标注汉字一侧」中「紧贴」的意思 Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

w3c/clreq#787 · Opened Sep 18, 2026
The case for a graduated tool suite for age assurance Open

AgeAssurance

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/tpac2026-miniworkshops#13 · 1 reaction · Opened Sep 18, 2026
Separate YAML-LD and extended-profile publication workflows Open

w3c/yaml-ld#246 · 1 assignee · Opened Sep 17, 2026
Better support for layout features in the segmenter. Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

w3c/ift-encoder#271 · Opened Sep 17, 2026
[css-gaps-1] Define segment endpoints for grid-axis gaps in grid lanes Open

Agenda+ css-gaps-1

Difficulty 5/5 Over a week Newbie friendliness 35/100

w3c/csswg-drafts#14507 · 2 comments · 1 reaction · Opened Sep 17, 2026
review use of "label" (as a standalone word) Open

editorial

Difficulty 4/5 3-5 days Newbie friendliness 35/100

w3c/aria#2904 · Opened Sep 17, 2026
Security self-review Open

w3c/gpc#159 · 1 assignee · Opened Sep 17, 2026
F2F Placeholders: WPT Accessibility Updates Session in the ARIA WG TPAC schedule (any if more time allows, a working session?) Open

F2FCandidate

Difficulty 3/5 1-2 days Newbie friendliness 38/100

w3c/aria#2903 · Opened Sep 17, 2026
Administrative: Change WPT meeting short link to sort by Recent Open

editorial

w3c/aria#2902 · 1 assignee · Opened Sep 17, 2026
[css-overflow-5]: mechanism to override and set semantic props on overflow markers and buttons Open

pending s:css-overflow tracker

Difficulty 5/5 Over a week Newbie friendliness 20/100

w3c/i18n-activity#2179 · Opened Sep 17, 2026
[css-overflow-5]: calling focus on the carousel / scroll container Open

pending s:css-overflow tracker

Difficulty 5/5 Over a week Newbie friendliness 20/100

w3c/a11y-tracking#354 · Opened Sep 17, 2026
[css-overflow-5]: mechanism to override and set semantic props on overflow markers and buttons Open

pending s:css-overflow tracker

Difficulty 5/5 Over a week Newbie friendliness 15/100

w3c/a11y-tracking#353 · Opened Sep 17, 2026
`'strict-dynamic'` might be bypassed with `<link rel=modulepreload>` Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

w3c/webappsec-csp#823 · Opened Sep 17, 2026
APIs to improve focus management Open

Needs Design / Proposal

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/csswg-drafts#14506 · 1 comment · Opened Sep 17, 2026
[css-overflow-5] Make <nav> a scroll-target-group Open

Agenda+ css-overflow-5

Difficulty 3/5 1-2 days Newbie friendliness 55/100

w3c/csswg-drafts#14505 · Opened Sep 17, 2026
`created` field is defined as a string? Open

i18n-needs-resolution

Difficulty 3/5 1-2 days Newbie friendliness 52/100

w3c/vcalm#725 · Opened Sep 17, 2026
Use more globally correct example; editorial nit Open

i18n-needs-resolution

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

w3c/vcalm#724 · Opened Sep 17, 2026
Documenting localizable text in examples Open

i18n-needs-resolution

Difficulty 3/5 1-2 days Newbie friendliness 62/100

w3c/vcalm#723 · Opened Sep 17, 2026
On handling the copyright statement in snapshots (of the 2026 redesign) Open

w3c/cg-program#51 · 1 assignee · Opened Sep 17, 2026
Add expectation that confidence methods SHOULD be selectively disclosable Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

w3c/vc-confidence-method#51 · Opened Sep 17, 2026
Spine item used but never defined Open

Spec-EPUB3

Difficulty 3/5 1-2 days Newbie friendliness 55/100

w3c/epub-specs#3070 · 14 comments · 1 reaction · Opened Sep 17, 2026

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