Re: [whatwg/fetch] Define behavior for `Priority` request header (Issue #1718) from Patrick Meenan on 2024-06-02 (public-webapps-github@w3.org from June 2024)

From: Patrick Meenan <notifications@github.com>
Date: Sun, 02 Jun 2024 08:43:22 -0700
To: whatwg/fetch <fetch@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Message-ID: <whatwg/fetch/issues/1718/2143906579@github.com>

The `Priority` HTTP header is defined in [RFC 9218](https://www.rfc-editor.org/rfc/rfc9218.html#name-the-priority-http-header-fi) and Safari and Firefox have always sent it for requests over HTTP/3. Chrome recently added it for HTTP/2 and HTTP/3 (previously only sent the priority frame).

At least in the case of Chrome, if the `Priority` header is set before it gets to the networking stack then the user-supplied value will be used (like was discussed above).

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Received on Sunday, 2 June 2024 15:43:26 UTC