[Webkit-unassigned] [Bug 236796] New: Range requests to objectURL results in a 416 status and failed video playback

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=236796

            Bug ID: 236796
           Summary: Range requests to objectURL results in a 416 status
                    and failed video playback
           Product: WebKit
           Version: Safari 15
          Hardware: iPhone / iPad
                OS: iOS 15
            Status: NEW
          Severity: Critical
          Priority: P2
         Component: Media
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: adam at sproutvideo.com

Created attachment 452402

  --> https://bugs.webkit.org/attachment.cgi?id=452402&action=review

Test Case

Safari seems to be making range requests when making requests to object URLs that are used as sources for a video element. Prior to 15.4, Safari would not add a Range header to the request. Now it is adding a Range: bytes=0-* header to the request which results in a 416 error status causing video playback to fail on iPhone and iPad.

I've attached a test case that shows the unexpected behavior.

Was this change intentional? If so, are there workarounds?

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