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Fetch API Updates

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Web-standard API updates

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Recent Updates

  1. Aug 25, 2026
    Include end time & render-blocking in opaque responses
  2. Aug 20, 2026
    Editorial: fix typos in deferred fetching quota section
  3. Jul 2, 2026
    Meta: make methods a required ID
  4. Jun 25, 2026
    Add TAO destination check for navigation redirect chains
  5. Jun 21, 2026
    Review Draft Publication: June 2026
  6. Jun 5, 2026
    Add a textStream() method to the Body mixin
  7. May 8, 2026
    Define ABNF for origin-or-null
  8. Apr 26, 2026
    Only consider pending fetch-later requests for deferred fetch quota
  9. Apr 21, 2026
    Add WebDriver BiDi network logging with stable request IDs
  10. Apr 1, 2026
    Add "text" destination type, for JavaScript text imports
  11. Mar 15, 2026
    Meta: update repository files
  12. Jan 28, 2026
    Add WebTransport-hashes to request, wired down to create a connection
  13. Jan 20, 2026
    Block 416 alongside 206
  14. Jan 13, 2026
    Add quota & requested to QuotaExceededError
  15. Dec 19, 2025
    Editorial: fix typo
  16. Dec 15, 2025
    Review Draft Publication: December 2025
  17. Dec 3, 2025
    Bypass blob URL partitioning for top-level self fetches
  18. Nov 28, 2025
    Align with changes to Service Worker's handle fetch
  19. Nov 19, 2025
    WebDriver BiDi: override Accept-Language header
  20. Add "webtransport" request mode

Tags

http-clientweb-standardapi

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Vendor
WHATWG
Recent Dates
  1. Aug 25
  2. Aug 20
  3. Jul 2
  4. Jun 25
  5. Jun 21

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Fetch API Updates Changelog | Watch Changelog