[whatwg/fetch] Empty fetchLater requests are allowed per spec, but WPT expects these to fail (Issue #1920)

TimvdLippe created an issue (whatwg/fetch#1920)

### What is the issue with the Fetch Standard?

As discussed in #1902 https://wpt.fyi/results/fetch/fetch-later/quota/empty-payload.https.window.html?label=experimental&label=master&aligned expects empty fetchLater requests to be disallowed. However, the spec only disallows `null` for range requests and doesn't check for zero.

Chromium currently disallows empty requests.

WPT PR to update tests is https://github.com/web-platform-tests/wpt/pull/58726 from the Servo project

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Received on Friday, 10 April 2026 08:07:33 UTC