[Webkit-unassigned] [Bug 266363] New: Disable IndexedDB in Lockdown Mode for browsing websites, not installed apps

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=266363

            Bug ID: 266363
           Summary: Disable IndexedDB in Lockdown Mode for browsing
                    websites, not installed apps
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Website Storage
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: alex at harding.dev
                CC: sihui_liu at apple.com

As of iOS 17.0, Safari disables IndexedDB in Lockdown Mode.

This makes sense when browsing arbitrary websites in Safari, opening links from Messages, etc. However, IndexedDB is a critical API for webapps that are explicitly installed to the Home Screen, as well as native apps using WKWebView with limitsNavigationsToAppBoundDomains = true.

I propose IndexedDB being available in these specific, domain-bound contexts during Lockdown Mode.

More context:

https://lemmy.world/post/9494095

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