[Webkit-unassigned] [Bug 229706] REGRESSION (Safari 14): WebWorker messages sometimes don't reach the main thread

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=229706

--- Comment #3 from Chris Dumez <cdumez at apple.com> ---
I don't think this is an issue with postMessage(). The worker simply doesn't call postMessage() to send back the results, even though it received 2 messages from the main thread. 

So presumably, whatever operation is happening between the worker receiving the messages and the worker calling postMessage() with the results is getting stuck, sometimes.

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