[Webkit-unassigned] [Bug 259490] New: Random "Smart" app banners appearing in PWAs A2HS

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=259490

            Bug ID: 259490
           Summary: Random "Smart" app banners appearing in PWAs A2HS
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: alex at harding.dev

Sometimes PWAs added to home screen will receive the smart app banner of the site they're linking to

End user reports:

- https://lemmy.world/post/2127188
- https://github.com/aeharding/voyager/issues/330

Repro:

- Create a PWA, install to homescreen
- Have the PWA link to github.com with a link (<a href="https://github.com" target="_blank" rel="noopener noreferrer">Link</a>)
- Click the link, then close the popup to github
- Observe smart app banner sometimes is appearing on the PWA

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