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Lowercasing of scheme in URL in conflict with WPT test for CORS check

Status: Open.

#1895 In whatwg/fetch;

· TimvdLippe opened on Dec 9, 2025

Request with credentials included, but only if they are partitioned

addition/proposalNew features or enhancementsNew features or enhancements

needs implementer interestMoving the issue forward requires implementers to express interestMoving the issue forward requires implementers to express interest

topic: cookies

Status: Open.

#1892 In whatwg/fetch;

· csharrison opened on Dec 2, 2025

Add <code>Prefer: safe</code> HTTP header

addition/proposalNew features or enhancementsNew features or enhancements

compatStandard is not web compatible or proprietary feature needs standardizingStandard is not web compatible or proprietary feature needs standardizing

needs implementer interestMoving the issue forward requires implementers to express interestMoving the issue forward requires implementers to express interest

topic: http

Status: Open.

#1891 In whatwg/fetch;

· bvandersloot-mozilla opened on Dec 1, 2025

URLs of intermediary redirects are leakable in practice (same-origin)

security-trackerGroup bringing to attention of security, or tracked by the security Group but not needing response.Group bringing to attention of security, or tracked by the security Group but not needing response.

security/privacyThere are security or privacy implicationsThere are security or privacy implications

topic: redirects

Status: Open.

#1890 In whatwg/fetch;

· ukusormus opened on Nov 30, 2025

Fill in CONNECT pseudo-headers automatically (e.g. from request mode)

integrationBetter coordination across standards neededBetter coordination across standards needed

topic: websocketsWebSockets integrationWebSockets integration

Status: Open.

#1881 In whatwg/fetch;

· jan-ivar opened on Nov 21, 2025

Support serverCertificateHashes in obtain a connection for WebTransport

topic: webtransportWebTransport integrationWebTransport integration

Status: Open.

#1880 In whatwg/fetch;

· annevk opened on Nov 19, 2025

Allow user agents to use more permissive header validation in extensions

addition/proposalNew features or enhancementsNew features or enhancements

integrationBetter coordination across standards neededBetter coordination across standards needed

needs concrete proposalMoving the issue forward requires someone to figure out a detailed planMoving the issue forward requires someone to figure out a detailed plan

Status: Open.

#1878 In whatwg/fetch;

· rdcronin opened on Nov 13, 2025

Allow updating of render-blocking status

Status: Open.

#1875 In whatwg/fetch;

· tunetheweb opened on Nov 5, 2025

<code>Response.redirect</code> should return object whose headers are mutable, as well as <code>Response.json</code>

addition/proposalNew features or enhancementsNew features or enhancements

needs concrete proposalMoving the issue forward requires someone to figure out a detailed planMoving the issue forward requires someone to figure out a detailed plan

topic: api

Status: Open.

#1868 In whatwg/fetch;

· petamoriken opened on Oct 18, 2025

static method: <code>Response.html</code>?

addition/proposalNew features or enhancementsNew features or enhancements

needs implementer interestMoving the issue forward requires implementers to express interestMoving the issue forward requires implementers to express interest

Status: Open.

#1865 In whatwg/fetch;

· noamr opened on Oct 6, 2025

Convenience method to stream a response as text

addition/proposalNew features or enhancementsNew features or enhancements

needs implementer interestMoving the issue forward requires implementers to express interestMoving the issue forward requires implementers to express interest

Status: Open.

#1861 In whatwg/fetch;

· foolip opened on Oct 2, 2025

Investigate usage of "append" for headers

Status: Open.

#1850 In whatwg/fetch;

· valadaptive opened on Aug 18, 2025