[Webkit-unassigned] [Bug 237137] Back navigation floods the server with duplicate GET requests

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=237137

--- Comment #2 from Steffen Weber <steffen.weber at gmail.com> ---
I've discovered a workaround: Just add the HTTP header "Cross-Origin-Opener-Policy: same-origin" to the attachment (was already there for normal page / HTML requests). I've just applied this change to our website (which means that the reproduction steps above don't work anymore but I hope that the hint regarding the "Cross-Origin-Opener-Policy" will help fix this issue).

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