[Webkit-unassigned] [Bug 172646] New: Abort HTTP/2 push streams if the item is already in the HTTP cache

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=172646

            Bug ID: 172646
           Summary: Abort HTTP/2 push streams if the item is already in
                    the HTTP cache
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Page Loading
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jaffathecake at gmail.com
                CC: beidson at apple.com

Chrome is getting ready to ship this https://bugs.chromium.org/p/chromium/issues/detail?id=232040, and as far as I can tell, Edge already shipped it.

Currently Safari *sometimes* rejects push streams if the item is in the HTTP/2 push cache. As far as I can tell, it'll abort the stream if all of the following is true:

* The item in the push cache is 'fresh' according to cache headers
* The user did not hit 'refresh'

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