[Webkit-unassigned] [Bug 271700] New: Infinite reloading iframes when using a combination of lazy loading, Cache-Control and Clear-Site-Data

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=271700

            Bug ID: 271700
           Summary: Infinite reloading iframes when using a combination of
                    lazy loading, Cache-Control and Clear-Site-Data
           Product: WebKit
           Version: Safari 17
          Hardware: Mac (Apple Silicon)
                OS: macOS 14
            Status: NEW
          Severity: Major
          Priority: P2
         Component: Frames
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: me at fiji-flo.de

Created attachment 470604

  --> https://bugs.webkit.org/attachment.cgi?id=470604&action=review

NodeJS http-server for a minimal repro

Most live examples on MDN (https://developer.mozilla.org) are broken in Safari. They keep reloading and become unusable.

I reduced the issue down to simple repro. The issue seems to be the combination of lazy loading iframes and the two headers: 'Cache-Control: no-store' and 'Clear-Site-Data: "*"'. I've attached a small example using a NodeJS http-server.

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