[Webkit-unassigned] [Bug 254048] New: AX: Tab gets stuck when there's only one focusable component on a page

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=254048

            Bug ID: 254048
           Summary: AX: Tab gets stuck when there's only one focusable
                    component on a page
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: PC
                OS: Other
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: dane.myers at ceridian.com
                CC: andresg_22 at apple.com,
                    webkit-bug-importer at group.apple.com

Created attachment 465468

  --> https://bugs.webkit.org/attachment.cgi?id=465468&action=review

Video comparing chrome and webkit (via playwright)

During testing with Storybook, we use playwright to navigate to a browser (chromium, firefox, and webkit) containing just a single iframe with the component in question.

Expected: When I tab to navigate through the focusable elements on the page, I expect tab to loop endlessly through all focusable elements on the page (including the URL bar, etc).

Actual: When there is just a single component/iframe on the page, the tab focuses only focusable elements within that component. Tab can no longer remove focus from the component and can cannot focus other page elements like the URL bar.

This behavior is only seen on webkit 16.4, chromium and firefox do not have this issue.

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