Add css-2026

[browser-specs-bot]

URL

https://drafts.csswg.org/css-2026/

Rationale

• See repository: w3c/csswg-drafts
• Would-be shortname: css-2026

Additional properties

{}

[browser-specs-bot]

Changes to index.json

This update would trigger the following changes in index.json:

Add spec (1)

{
  "url": "https://drafts.csswg.org/css-2026/",
  "seriesComposition": "full",
  "shortname": "css-2026",
  "series": {
    "shortname": "css",
    "currentSpecification": "css-2026",
    "title": "CSS Snapshot",
    "shortTitle": "CSS Snapshot",
    "nightlyUrl": "https://drafts.csswg.org/css/",
    "releaseUrl": "https://www.w3.org/TR/css/"
  },
  "seriesVersion": "2026",
  "seriesPrevious": "css-2025",
  "organization": "W3C",
  "groups": [
    {
      "name": "Cascading Style Sheets (CSS) Working Group",
      "url": "https://www.w3.org/groups/wg/css/"
    }
  ],
  "nightly": {
    "url": "https://drafts.csswg.org/css-2026/",
    "status": "Editor's Draft",
    "alternateUrls": [
      "https://w3c.github.io/csswg-drafts/css-2026/"
    ],
    "repository": "https://github.com/w3c/csswg-drafts",
    "sourcePath": "css-2026/Overview.bs",
    "filename": "index.html"
  },
  "title": "CSS Snapshot 2026",
  "source": "spec",
  "shortTitle": "CSS Snapshot 2026",
  "categories": [
    "browser"
  ],
  "standing": "good"
}

Update spec in the same series (4)

{
  "url": "https://www.w3.org/TR/css-2022/",
  "seriesComposition": "full",
  "shortname": "css-2022",
  "series": {
    "shortname": "css",
    "currentSpecification": "css-2026",
    "title": "CSS Snapshot",
    "shortTitle": "CSS Snapshot",
    "nightlyUrl": "https://drafts.csswg.org/css/",
    "releaseUrl": "https://www.w3.org/TR/css/"
  },
  "seriesVersion": "2022",
  "seriesNext": "css-2023",
  "organization": "W3C",
  "groups": [
    {
      "name": "Cascading Style Sheets (CSS) Working Group",
      "url": "https://www.w3.org/groups/wg/css/"
    }
  ],
  "release": {
    "url": "https://www.w3.org/TR/css-2022/",
    "status": "Draft Note",
    "filename": "Overview.html"
  },
  "nightly": {
    "url": "https://drafts.csswg.org/css-2022/",
    "status": "Editor's Draft",
    "alternateUrls": [
      "https://w3c.github.io/csswg-drafts/css-2022/"
    ],
    "repository": "https://github.com/w3c/csswg-drafts",
    "sourcePath": "css-2022/Overview.bs",
    "filename": "index.html"
  },
  "title": "CSS Snapshot 2022",
  "source": "w3c",
  "shortTitle": "CSS Snapshot 2022",
  "categories": [
    "browser"
  ],
  "standing": "good"
}

{
  "url": "https://www.w3.org/TR/css-2023/",
  "seriesComposition": "full",
  "shortname": "css-2023",
  "series": {
    "shortname": "css",
    "currentSpecification": "css-2026",
    "title": "CSS Snapshot",
    "shortTitle": "CSS Snapshot",
    "nightlyUrl": "https://drafts.csswg.org/css/",
    "releaseUrl": "https://www.w3.org/TR/css/"
  },
  "seriesVersion": "2023",
  "seriesPrevious": "css-2022",
  "seriesNext": "css-2024",
  "organization": "W3C",
  "groups": [
    {
      "name": "Cascading Style Sheets (CSS) Working Group",
      "url": "https://www.w3.org/groups/wg/css/"
    }
  ],
  "release": {
    "url": "https://www.w3.org/TR/css-2023/",
    "status": "Note",
    "filename": "Overview.html"
  },
  "nightly": {
    "url": "https://drafts.csswg.org/css-2023/",
    "status": "Editor's Draft",
    "alternateUrls": [
      "https://w3c.github.io/csswg-drafts/css-2023/"
    ],
    "repository": "https://github.com/w3c/csswg-drafts",
    "sourcePath": "css-2023/Overview.bs",
    "filename": "index.html"
  },
  "title": "CSS Snapshot 2023",
  "source": "w3c",
  "shortTitle": "CSS Snapshot 2023",
  "categories": [
    "browser"
  ],
  "standing": "good"
}

{
  "url": "https://www.w3.org/TR/css-2024/",
  "seriesComposition": "full",
  "shortname": "css-2024",
  "series": {
    "shortname": "css",
    "currentSpecification": "css-2026",
    "title": "CSS Snapshot",
    "shortTitle": "CSS Snapshot",
    "nightlyUrl": "https://drafts.csswg.org/css/",
    "releaseUrl": "https://www.w3.org/TR/css/"
  },
  "seriesVersion": "2024",
  "seriesPrevious": "css-2023",
  "seriesNext": "css-2025",
  "organization": "W3C",
  "groups": [
    {
      "name": "Cascading Style Sheets (CSS) Working Group",
      "url": "https://www.w3.org/groups/wg/css/"
    }
  ],
  "release": {
    "url": "https://www.w3.org/TR/css-2024/",
    "status": "Note",
    "filename": "Overview.html"
  },
  "nightly": {
    "url": "https://drafts.csswg.org/css-2024/",
    "status": "Editor's Draft",
    "alternateUrls": [
      "https://w3c.github.io/csswg-drafts/css-2024/"
    ],
    "repository": "https://github.com/w3c/csswg-drafts",
    "sourcePath": "css-2024/Overview.bs",
    "filename": "index.html"
  },
  "title": "CSS Snapshot 2024",
  "source": "w3c",
  "shortTitle": "CSS Snapshot 2024",
  "categories": [
    "browser"
  ],
  "standing": "good"
}

{
  "url": "https://www.w3.org/TR/css-2025/",
  "seriesComposition": "full",
  "shortname": "css-2025",
  "series": {
    "shortname": "css",
    "currentSpecification": "css-2026",
    "title": "CSS Snapshot",
    "shortTitle": "CSS Snapshot",
    "nightlyUrl": "https://drafts.csswg.org/css/",
    "releaseUrl": "https://www.w3.org/TR/css/"
  },
  "seriesVersion": "2025",
  "seriesPrevious": "css-2024",
  "seriesNext": "css-2026",
  "organization": "W3C",
  "groups": [
    {
      "name": "Cascading Style Sheets (CSS) Working Group",
      "url": "https://www.w3.org/groups/wg/css/"
    }
  ],
  "release": {
    "url": "https://www.w3.org/TR/css-2025/",
    "status": "Note",
    "filename": "Overview.html"
  },
  "nightly": {
    "url": "https://drafts.csswg.org/css-2025/",
    "status": "Editor's Draft",
    "alternateUrls": [
      "https://w3c.github.io/csswg-drafts/css-2025/"
    ],
    "repository": "https://github.com/w3c/csswg-drafts",
    "sourcePath": "css-2025/Overview.bs",
    "filename": "index.html"
  },
  "title": "CSS Snapshot 2025",
  "source": "w3c",
  "shortTitle": "CSS Snapshot 2025",
  "categories": [
    "browser"
  ],
  "standing": "good"
}

Tests

These changes look good! 😎

Crawl results for CSS Snapshot 2026

Crawl summary:

• Title: CSS Snapshot 2026
• Authoring tool: bikeshed
• Date: 30 December 2025
• Revision ID: 4401d6101f52bec41fe998fdc46c417453e10b61
• Canonical URL: https://drafts.csswg.org/css-2026/
• Spec defines:
  • Headings: 40 found
  • IDs: 215 found
  • Links: 186 rawlinks, 18 autolinks
  • References: 41 normative, 31 informative
  • Terms: 14 explicitly exported, 4 private
• No Algorithms, CDDL, CSS, Events, Web IDL definitions found

14 explicitly exported terms

• CSS, type dfn (xref search)
• Style sheet, type dfn (xref search)
• Source document, type dfn (xref search)
• Author, type dfn (xref search)
• authoring tool, type dfn (xref search)
• User, type dfn (xref search)
• Editor’s Draft, type dfn (xref search)
• Cascading Style Sheets (CSS), type dfn (xref search)
• levels, type dfn (xref search)
• CSS Level 1, type dfn (xref search)
• CSS Level 2, type dfn (xref search)
• CSS Level 3, type dfn (xref search)
• CSS Level 4, type dfn (xref search)
• vendor prefix, type dfn (xref search)

[tidoust]

To be merged later on as usual with these snapshots. Spec has not been published yet and would replace css-2025 as current spec.