[Webkit-unassigned] [Bug 253758] ☂️ [GTK][WPE?] GitHub breaks in different ways after their March 2023 update

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=253758

--- Comment #12 from Guilaume Ayoub <guillaume.webkit at yabz.fr> ---
(In reply to Michael Catanzaro from comment #9)
> We need to understand why window.requestIdleCallback is required in Epiphany
> but not required in Safari. Are they doing user agent sniffing?

Using a Safari user agent string (from https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/User-Agent#safari_ua_string) doesn’t fix the problem.

(In reply to Michael Catanzaro from comment #11)
> The site also renders if you open the web inspector. O_O

When "navigator.clipboard" is missing, there’s an endless JS loop that should prevent the website from being rendered, even if the HTML and the CSS files are already downloaded. I suppose that opening the web inspector (or just resizing the window) forces the page to be drawn at least once.

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