World Wide Web Consortium / Keio University

2025年09月 W3C活動概要

仕様公開以外のニュース: 0 (仕様公開以外のニュースエントリ数)
ブログポスト: 1 (一般・WGにかかわらずブログポスト数)
グループ
- Charter refininment phase: 4 (延長 1)
- 新規charter議論: 4
- recharter: 0
- グループ新期間: 4
- co-chairs: 3
- CG/BG: 0 (BG), 6 (CG)
仕様書更新・公開
- FPWD: 2
- WD: 41
- CRS: 0
- CRD: 10
- REC: 0 (full), 1 (candidate amendments)
- NOTE系: 7 (NOTE), 5 (DNOTE)
- Registry系: 0 (REG), 0 (DRY)
新規追加レポジトリ: 9
新規加入W3Cメンバー: 1

2025年09月のW3C関係のアップデートのまとめです。前月分はこちら。

ニュース・ブログポスト

ニュース
一般
WGアップデート
- Patent Advisory Group for Second Screen Working Group Launched (François Daoust; 2025/09/19)
  - Second Screen Working Group Patent Advisory Group (PAG)
    - disclosures
    - charter
  - Open Screen Application Protocol

直近の予定・最近の変更

upcoming events list
- W3C in Europe member meeting (2025/10/15, 10:00-11:00 CEST; online)
- Embedding sustainability: Tips for ebook and print production (2025/10/23, 14:00-15:00 EDT; online)
- AC at TPAC 2025 - Online meeting (2025/10/28, 13:30–15:00 UTC; online)
- Get ready for TPAC: A guide for TPAC newbies (2025/10/29, 1400-1500 UTC; online)
- An Introduction to RDF and SPARQL 1.2 (2025/11/02-03 0800-1700 JST; Nara, Japan)
  - tutorial in International Semantic Web Conference 2025 (ISWC)
  - tutorial page
- Kobe Developer Meetup (2025/11/09, 1700-2000 JST; Anchor Kobe)
- TPAC 2025 (2025/11/10-14; Kobe International Conference Center, Hyogo, Japan)
- TPAC 2025 Hackathon (2025/11/12, 19:00-22:30 JST; TPAC venue)
- AC 2026 (2026/04/20-22; Hua Jia Shan Resort, Hangzhou, China)
- TPAC 2026 (2026/10/26-30; Clayton Hotel Burlington Road, Dublin, Ireland)
strategy repository (dashboard)
- Advance notice / Charter refininment phase
  - MEIG (draft charter, strategy issue)
  - Web Editing WG (draft charter, strategy issue)
  - Dataset Exchange WG (draft charter, strategy issue)
  - PNG WG (draft charter, strategy issue)
  - JSON-LD WG (draft charter, strategy issue): 延長
- 該当月中に提案されこのページ作成時点で議論・検討中のもの
  - MEIG: HR中
  - Web Editing WG: HR中
  - Dataset Exchange WG: HR準備中
  - Ontologies and Knowledge Graphs in Industry IG (strategy): CG設立かExploration IGへ持ち込むことが提案されている
- charterについて該当月中に動きがあったもの、ステータスサマリー付き
  - Social Web WG (draft charter): 修正の2 PRが提案中 (2025/10/17締め切り)
  - Web&AI IG (draft charter): AC review準備中
  - Web Extensions WG (draft charter): charter議論中
  - Web Applications WG (proposed charter): レビューコメント対応中
  - DID Methods WG (draft charter): HR中
  - WoT WG (draft charter): draft charter準備中
- 新領域などについての議論
  - WebVMT: 月齢状況更新
WGなどの憲章策定・更新によるCall for Participation、chair変更
- new/recharter
- extension
  - MEIG (charter): 2025/12/31まで、charter refinement開始
  - Web Editing WG (charter): 2026/03/26まで、charter refinement開始
  - AG WG (charter): 2026/04/30まで、
  - PNG WG (charter): 2026/01/30まで、charter refinement開始
- CG/BG
- co-chair
  - Web Payment Security IG: 新任 Nishant Kaushik (FIDO Alliance); 退任 Andrew Shikiar
  - GPU for the Web WG: 新任 Jim Blandy (Mozilla Foundation); 退任 Kelsey Gilbert
  - Web & Networks IG: 退任 Sudeep Divakaran
その他トピック
- spec-prod (none)

公開された仕様の更新

ClearSpec2021に基づく頻繁な更新の仕様（GitHubでのメイン作業ブランチの更新ごとに/TR/を更新する）が採用されているWGが多く、月内に頻繁に更新されているためでリンク先は月内の最新版のみです。後ろの日付は参考までのものになります。

FPWD公開
- CSS Environment Variables Module Level 1、ニュースポスト (09/23)
- Semantic Sensor Network Ontology - 2023 Edition、ニュースポスト (09/16)
WD更新
- Accessible Name and Description Computation 1.2 (09/05, 17, 18, 25, 26)
- Web Application Manifest (09/03)
- Autoplay Policy Detection (09/04)
- Badging API (09/03, 10, 22, 25, 30)
- CSS Grid Layout Module Level 3 (09/17)
- CSS Images Module Level 4 (09/30)
- CSSOM View Module (09/16)
- Decentralized Identifiers (DIDs) v1.1 (09/06, 07, 13, 18)
- Decentralized Identifier Resolution (DID Resolution) v0.3 (09/08, 18, 29)
- Digital Credentials (09/03, 04, 16, 17, 23)
- EditContext API (09/05, 09)
- EPUB 3.4 (09/03, 05)
- EPUB Accessibility 1.1.1 (09/03, 10)
- EPUB Reading Systems 3.4 (09/05)
- Global Privacy Control (GPC) (09/04, 16)
- HTML Accessibility API Mappings 1.0 (09/03, 17, 18, 25, 26)
- Largest Contentful Paint (09/11)
- Mathematical Markup Language (MathML) Version 4.0 (09/18, 19)
- Media Session (09/19)
- MediaStreamTrack Content Hints (09/18, 19)
- Navigation Timing Level 2 (09/29)
- Paint Timing (09/15)
- Payment Handler API (09/27)
- Permissions (09/26)
- Pointer Lock 2.0 (09/29)
- Push API (09/10, 25)
- RDF 1.2 Concepts and Abstract Data Model (09/04, 19, 20, 23, 25)
- RDF 1.2 N-Quads (09/28)
- RDF 1.2 Schema (09/01, 03, 06)
- RDF 1.2 Semantics (09/11, 12, 24)
- RDF 1.2 Turtle (09/28)
- SHACL 1.2 Core (09/01)
- SHACL 1.2 SPARQL Extensions (09/01)
- SPARQL 1.2 Query Language (09/07, 13, 22, 25)
- IMSC Text Profile 1.3 (09/25)
- W3C Accessibility Guidelines (WCAG) 3.0 (09/04)
- Web Locks API (09/24)
- WebDriver BiDi (09/03, 08, 10, 12, 16, 17, 18, 23, 24, 25, 26, 29)
- WebDriver (09/01, 08)
- WebRTC Encoded Transform (09/04, 18)
- WebXR Layers API Level 1 (09/12)
CRD更新
- WebGPU Shading Language (09/09, 20, 26)
- Core Accessibility API Mappings 1.2 (09/03, 17, 18, 25, 26)
- CSS Conditional Rules Module Level 4 (09/04)
- Dubbing and Audio description Profiles of TTML2 (09/05, 17, 23, 26, 28, 29)
- Media Capture and Streams (09/11, 25)
- Payment Request API (09/30)
- WebGPU (09/10, 19, 20, 23)
- Web Neural Network API (09/04, 15, 23, 25, 30)
- Identifiers for WebRTC’s Statistics API (09/25)
- WebXR Device API (09/30)
CRS公開、更新
PR公開
REC公開、更新
- Geolocation (09/23)
DNOTE更新
- Arabic Script Gap Analysis (09/25)
- Requirements for Chinese Text Layout 中文排版需求 (09/01)
- Javanese Script Gap Analysis (09/06, 12)
- Linked Web Storage Use Cases (09/08)
- Explainer for W3C Accessibility Guidelines (WCAG) 3.0 (09/04)
NOTE公開、更新
- CSS Snapshot 2025、ニュースポスト (09/09)
  - 9/18更新
- Web Platform Design Principles (09/18)
- DID Methods (09/02, 22, 27, 29)
- EPUB Accessibility - Fixed Layout Challenges and Best Practices (09/25)
- Writing Effective Explainers (09/22)
- Mitigating Browser Fingerprinting in Web Specifications (09/12, 25)
- Verifiable Credentials Overview (09/24)
Draft Registry更新
Registry公開、更新

新規追加されたGitHubレポジトリ

WebView-CG/CanITauriVersoWebView
w3c-cg/udna: This repository holds the work of the W3C Universal DID-Native Addressing (UDNA) Community Group. We are developing a standard for addressing Decentralized Identifiers (DIDs) on the web.
w3c/scxml: State Chart XML (SCXML): State Machine Notation for Control Abstraction
w3c/chinese-guide-tpac2025: TPAC 2025 中文参会指南
w3c/i18n-videos: Internationalization-related video metadata and assets
w3c/hackathon-tpac-2025
WICG/iframe-media-pausing
w3c-ccg/vocabulary-template: A Github template for vocabulary documents
w3c-ccg/vc-api: Redirection to VCALM spec

validate-reposにあるレポジトリの数

gpuweb: 11
immersive-web: 48
privacycg: 17
w3c-fedid: 13
w3c: 1111
w3cping: 12
w3ctag: 51
WebAssembly: 123
WebAudio: 7
webmachinelearning: 22
WICG: 201

W3Cメンバー更新

月末(の次の火～木曜頃)の会員数: 336

新規加入
- WCAG by IMA
退会
- Indeed
- VitalSource Technologies
- Affinidi Pte. Ltd.
- LunarG, Inc.
- Stanford University
- NEC Corporation
- LSEG
- Consensys