[Webkit-unassigned] [Bug 230076] New: Regression (macOS Monterey) Websocket connection closing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=230076

            Bug ID: 230076
           Summary: Regression (macOS Monterey) Websocket connection
                    closing
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Other
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Page Loading
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: isaac+webkit at devinesystems.co.nz
                CC: beidson at apple.com

Created attachment 437696

  --> https://bugs.webkit.org/attachment.cgi?id=437696&action=review

Copy of the failing packet listing from the Safari Web Inspector (Monterey)

We are experiencing unexplained Websocket connection failures/closes when connecting to our servers on macOS Monterey.

Specifically larger message payloads, after a series of smaller messages are able to reliably reproduce the issue. 
I've attached the larger messages which cause the issue.

This is not an issue on macOS Big Sur and earlier.

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