Tests: https://github.com/w3c/web-platform-tests/pull/5047. Note that this isn't specific to the Fetch API, it also applies to, e.g., XMLHttpRequest, but this label seemed closest to what was already in use.
Tests for Access-Control-Allow-Methods/Headers: * at https://github.com/w3c/web-platform-tests/pull/5050. Let me know if you need a separate issue.
Created attachment 305018 [details] Patch
Submitted web-platform-tests pull request: https://api.github.com/repos/w3c/web-platform-tests/issues/5190
Submitted web-platform-tests pull request: https://github.com/w3c/web-platform-tests/pull/5191
FYI: we're changing the behavior slightly here: https://github.com/whatwg/fetch/pull/592.
Behavior changed, updated tests at https://github.com/w3c/web-platform-tests/pull/7223. No outstanding issues now.
Any update?
I think this is fixed by: https://bugs.webkit.org/show_bug.cgi?id=165508 Also the WPT test got imported here: https://bugs.webkit.org/show_bug.cgi?id=184299
*** This bug has been marked as a duplicate of bug 165508 ***