Curl layer currently doesn't support WebSocket over HTTP/2. Just disable HTTP/2 for now.
For future reference, https://tools.ietf.org/html/rfc8441
Here's Mozilla implementation record: https://bugzilla.mozilla.org/show_bug.cgi?id=1434137
Created attachment 390548 [details] PATCH
The commit-queue encountered the following flaky tests while processing attachment 390548 [details]: editing/spelling/spellcheck-async-remove-frame.html bug 158401 (authors: morrita@google.com, rniwa@webkit.org, and tony@chromium.org) The commit-queue is continuing to process your patch.
The commit-queue encountered the following flaky tests while processing attachment 390548 [details]: editing/spelling/spellcheck-attribute.html bug 206178 (authors: g.czajkowski@samsung.com, mark.lam@apple.com, and rniwa@webkit.org) The commit-queue is continuing to process your patch.
Comment on attachment 390548 [details] PATCH Clearing flags on attachment: 390548 Committed r256487: <https://trac.webkit.org/changeset/256487>
All reviewed patches have been landed. Closing bug.
<rdar://problem/59404767>
I confirmed the latest WinCairo works fine. It was so annoying. Thanks you very much! https://ews-build.webkit.org/ https://libwebsockets.org/testserver/