[Webkit-unassigned] [Bug 274310] REGRESSION (Safari 17.x): Strange mix of content from two websites loaded simultaneously

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=274310

--- Comment #8 from Ahmad Saleem <ahmad.saleem792 at gmail.com> ---
(In reply to Penar Musaraj from comment #7)
> I have some additional information. It looks like the issue is related to
> the Cross Origin Opener Policy header. 
> 
> We can repro the issue 100% of the time when COOP is set to
> "same-origin-allow-popups". No repro when it is set to "unsafe-none" (the
> default). 
> 
> I'm happy to set up two test pages on subdomains with the header set to each
> of these values, if that is helpful.

Yes - it would be helpful and I will update relevant engineer - once you share the URL (although I think they are already CCed on this bug).

Thanks and looking forward to your help.

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