[Webkit-unassigned] [Bug 255142] New: webkitRequestFullscreen breaks on the whole page after exiting fullscreen with ESC key (on element inside an iframe)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=255142

            Bug ID: 255142
           Summary: webkitRequestFullscreen breaks on the whole page after
                    exiting fullscreen with ESC key (on element inside an
                    iframe)
           Product: WebKit
           Version: Safari 16
          Hardware: Mac (Intel)
                OS: Unspecified
            Status: NEW
          Severity: Major
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: wojciech.czechowski at smartframe.io

I've bumped into this strange issue while working on fullscreen functionality in embeddable element. Entering entering fullscreen on element that is inside an iframe and exiting it by pressing ESC key on the keyboard breaks the whole fullscreen functionality on the entire page! webkitRequestFullscreen simply stops to work on any other elements. 

It can be seen here: https://wojciechczechowski.pl/webkit-fs-bug/

This is really problematic, as it may cause break of the users website functionality as soon as he uses fullscreen on my custom, embedded element. Therefore I kindly ask to address this issue ASAP.

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