w3c/browser-specs

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A machine-readable list of Web specifications

Stars: 333
Forks: 59
Open beginner issues: 0
Indexed issues: 76
Avg merge: 17h 13m
Merged PRs (30d): 18

Dominant language: JavaScript
License: No license data
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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76 open issues indexed

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
Add new spec: Portable Network Graphics (PNG) Specification (Fourth Edition) Open

new spec review

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

w3c/browser-specs#2637 · 3 comments · Opened Sep 11, 2026
Historic aliases Open

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

w3c/browser-specs#2636 · 1 comment · Opened Sep 11, 2026
Add new spec: ES BigInt Math Open

new spec

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

w3c/browser-specs#2581 · 2 comments · Opened Jul 23, 2026
Add sub-apps Open

new spec

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

w3c/browser-specs#2575 · 3 comments · Opened Jul 20, 2026
Use mock requests in tests whenever possible Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

w3c/browser-specs#2565 · Opened Jul 13, 2026
Add image-tracking Open

new spec

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

w3c/browser-specs#2563 · 2 comments · Opened Jul 13, 2026
Make specs as discontinued when repositories are archived Open

enhancement

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

w3c/browser-specs#2476 · 1 reaction · Opened May 6, 2026
Use `series-version` from W3C API to set `seriesVersion` Open

enhancement

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

w3c/browser-specs#2466 · Opened May 4, 2026
Add vc-dpp-bw Open

new spec

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

w3c/browser-specs#2464 · 4 comments · Opened May 4, 2026
Add html-in-canvas Open

new spec

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

w3c/browser-specs#2411 · 7 comments · Opened Mar 23, 2026
Add declarative-partial-updates Open

new spec

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

w3c/browser-specs#2378 · 6 comments · Opened Feb 23, 2026
Add new spec: TC39 legacy RegExp features Open

new spec

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

w3c/browser-specs#2358 · 1 comment · Opened Feb 16, 2026
Add https://micropub.net/draft/ Open

new spec

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

w3c/browser-specs#2336 · 2 comments · Opened Feb 2, 2026
Add web-printing Open

isolated web apps new spec

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

w3c/browser-specs#2334 · 2 comments · Opened Feb 2, 2026
Add websub Open

new spec

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

w3c/browser-specs#2315 · 3 comments · Opened Jan 26, 2026
Add webmention Open

new spec

Difficulty 2/5 1-3 hours Newbie friendliness 64/100

w3c/browser-specs#2314 · 2 comments · Opened Jan 26, 2026
Add ldn Open

new spec

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

w3c/browser-specs#2311 · 2 comments · Opened Jan 26, 2026
Add activitystreams-core Open

new spec

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

w3c/browser-specs#2301 · 2 comments · Opened Jan 19, 2026
Add activitypub Open

new spec review

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

w3c/browser-specs#2300 · 5 comments · Opened Jan 19, 2026
Wrong repo URL in issue body for TC39 proposals Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

w3c/browser-specs#2176 · Opened Oct 6, 2025
Add Web Monetization Open

new spec

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

w3c/browser-specs#2108 · 8 comments · Opened Aug 25, 2025
Add webrtc-rtptransport Open

new spec

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

w3c/browser-specs#2073 · 5 comments · Opened Aug 11, 2025
Add tt-module-live Open

new spec

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

w3c/browser-specs#2026 · 2 comments · Opened Jul 21, 2025
Add tt-module-karaoke Open

new spec

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

w3c/browser-specs#2016 · 2 comments · Opened Jul 14, 2025
Add tc39-decorator-metadata Open

new spec

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

w3c/browser-specs#1982 · 2 comments · Opened Jun 30, 2025
Add svg-native Open

new spec

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

w3c/browser-specs#1979 · 6 comments · Opened Jun 30, 2025
Add svg-animation-elements Open

new spec

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

w3c/browser-specs#1975 · 2 comments · Opened Jun 30, 2025
Add shacl12-shacl-shacl Open

new spec

Difficulty 1/5 Under an hour Newbie friendliness 45/100

w3c/browser-specs#1971 · 2 comments · Opened Jun 30, 2025
Add lws-protocol Open

new spec

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

w3c/browser-specs#1932 · 6 comments · Opened Jun 9, 2025
Add origin-policy Open

new spec

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

w3c/browser-specs#1917 · 1 comment · Opened Jun 2, 2025
Add marker-tracking Open

new spec

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

w3c/browser-specs#1895 · 4 comments · Opened May 26, 2025
Add local-peer-to-peer Open

new spec

Difficulty 2/5 1-3 hours Newbie friendliness 67/100

w3c/browser-specs#1894 · 4 comments · Opened May 26, 2025
Consider non-spec status or category Open

enhancement

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

w3c/browser-specs#1891 · 2 comments · Opened May 23, 2025
Add geo-alignment Open

new spec

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

w3c/browser-specs#1874 · 2 comments · Opened May 19, 2025
Add fast Open

new spec

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

w3c/browser-specs#1872 · 8 comments · Opened May 19, 2025
Leverage spec-dashboard in fetch-groups to avoid further network requests Open

enhancement

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

w3c/browser-specs#1832 · Opened Apr 30, 2025
Consider integrating Isolated Web Apps specs Open

isolated web apps

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

w3c/browser-specs#1803 · Opened Apr 22, 2025
Add css-floats-3 Open

new spec

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

w3c/browser-specs#1797 · 3 comments · Opened Apr 21, 2025
Add css-contain-4 Open

new spec

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

w3c/browser-specs#1795 · 3 comments · Opened Apr 21, 2025
Add css-block-3 Open

new spec

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

w3c/browser-specs#1794 · 3 comments · Opened Apr 21, 2025
Add controlled-frame Open

isolated web apps new spec

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

w3c/browser-specs#1785 · 10 comments · Opened Apr 14, 2025
Add color-api Open

new spec

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

w3c/browser-specs#1783 · 3 comments · Opened Apr 14, 2025
Add box-tree-api Open

new spec

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

w3c/browser-specs#1777 · 8 comments · Opened Apr 7, 2025
Use Chome status updated.when date to detect updates Open

enhancement

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

w3c/browser-specs#1765 · Opened Apr 1, 2025
Propose new spec: detect when it's already in the list Open

enhancement

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

w3c/browser-specs#1725 · Opened Mar 10, 2025
Consider adding spec authors Open

enhancement

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

w3c/browser-specs#1665 · Opened Jan 24, 2025
Add https://www.w3.org/groups/wg/data-shapes/ Open

new spec

Difficulty 1/5 Under an hour Newbie friendliness 55/100

w3c/browser-specs#1640 · 2 comments · Opened Jan 13, 2025
Leverage "superseded-by" info from W3C API Open

enhancement

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

w3c/browser-specs#1604 · Opened Dec 16, 2024
Add standardizing-security-semantics-of-cross-site-cookies Open

new spec

w3c/browser-specs#1569 · 4 comments · 1 assignee · Opened Nov 18, 2024

w3c/browser-specs

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