[Webkit-unassigned] [Bug 278537] New: AX: VoiceOver omits list content from accessible description when aria-describedby references list's parent node

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=278537

            Bug ID: 278537
           Summary: AX: VoiceOver omits list content from accessible
                    description when aria-describedby references list's
                    parent node
           Product: WebKit
           Version: Safari 17
          Hardware: iPhone / iPad
                OS: iOS 17
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: marc.solomon at cvshealth.com
                CC: andresg_22 at apple.com,
                    webkit-bug-importer at group.apple.com

Created attachment 472269

  --> https://bugs.webkit.org/attachment.cgi?id=472269&action=review

Screen cast of issue with iOS VoiceOver

Steps to duplicate:
1. Open baseline demo in the following CodePen: https://codepen.io/marcsolo/pen/MWMGaod
2. Turn on VoiceOver
3. Navigate to the Month text input under the "Example 1: div with child SVG + unordered list element" heading

Expected result: VoiceOver announces the input's accessible description which should include the SVG's accessible name and list item content. For example "Month, description, Error Please add a valid month Please add a valid day Please add a valid year., Text Field.

Actual result: VoiceOver only announces the the SVG's accessible name in the accessible description (not the list content). For example "Month, description, Error, Text Field."

I can reproduce this behavior on macOS 14.5 + Safari 17.5 and iOS 17.5.1.

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