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Fetch API Updates
WHATWG • Last updated 1 day ago
Activity Score
90%
Great
Recency:100%
Cadence:67%
Completeness:100%
Health:100%
Recent Updates
Include end time & render-blocking in opaque responses
Editorial: fix typos in deferred fetching quota section
Meta: make methods a required ID
Add TAO destination check for navigation redirect chains
Review Draft Publication: June 2026
Add a textStream() method to the Body mixin
Define ABNF for origin-or-null
Only consider pending fetch-later requests for deferred fetch quota
Add WebDriver BiDi network logging with stable request IDs
Add "text" destination type, for JavaScript text imports
Meta: update repository files
Add WebTransport-hashes to request, wired down to create a connection
Block 416 alongside 206
Add quota & requested to QuotaExceededError
Editorial: fix typo
Review Draft Publication: December 2025
Bypass blob URL partitioning for top-level self fetches
Align with changes to Service Worker's handle fetch
Updates for November 19, 2025(2 updates)
Uniform Changelog API
Access WHATWG changelog updates through our uniform API. Same JSON structure across all sources — no adapter-specific parsing needed.
API Endpoint
GET https://watchchangelog.com/api/v1/entries?source=fetch-api.updatesResponse Sample
{
"source": "fetch-api.updates",
"vendor": "WHATWG",
"id": "tag:github.com,2008:Grit::Commit/f1aff91b8bb3a0d3b38006c9d87119037aae766f",
"published_at": "2026-08-25T06:36:13.000Z",
"title": "Include end time & render-blocking in opaque responses",
"url": "https://github.com/whatwg/fetch/commit/f1aff91b8bb3a0d3b38006c9d87119037aae766f",
"summary": "Include end time & render-blocking in opaque responses Resource Timing always includes `responseEnd` and `renderBlockingStatus`. Closes #1945.",
"tags": [
"WHATWG",
"fetch-api.updates",
"http-client",
"web-standard",
"api"
]
}Get Your Free API Key
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http-clientweb-standardapi
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