[Webkit-unassigned] [Bug 273295] New: decodedBodySize, encodedBodySize and transferSize are not populated with Timing-Allow-Origin *

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=273295

            Bug ID: 273295
           Summary: decodedBodySize, encodedBodySize and transferSize are
                    not populated with Timing-Allow-Origin *
           Product: WebKit
           Version: Safari 17
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: alehm at google.com

decodedBodySize, encodedBodySize and transferSize (tested only these) are not populated in PerformanceResourceTiming for cross origin requests with `Timing-Allow-Origin: *` http header set for both cached and non-cached resources. It works fine in Chrome and Firefox. See also https://w3c.github.io/resource-timing/#sec-cross-origin-resources.

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