Matt King

[Preview Tests](https://deploy-preview-1198--aria-at.netlify.app) Do not merge this PR. Merges the compare branches for PR #1197 and PR #1193 to see what effect 1197 has on the slider test preview.

See #1116. We need to align on what types of negative side effects are severe and which are moderate.

Priority of posinset and setsize assertions in test 5 "Open a menu to the last item" (Action Menu Button Example Using aria-activedescendant, V24.09.18)

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Per feedback from Apple in #1058, consider making posinset and setsize assertions optional. ## Test Setup - Test File: [test-14-openMenuToLastItem-voiceover_macos.collected.html](https://aria-at.netlify.app/tests/menu-button-actions-active-descendant/test-14-openMenuToLastItem-voiceover_macos.collected.html) - Report Page: [Link](https://aria-at.w3.org/report/163621/targets/291#result-ZmFmYeyIxMiI6NjU5fQTU1OD) - AT: VoiceOver for macOS (Version...

Using feedback from Vispero, we can promote consistency in expectations across test plans for the commands for describing an element (insert+tab) and reading the current line or element (insert+up). It...

Add Experimental Example of Scrollable Listbox with Actions on Options

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Resolve #3193. ___ [WAI Preview link for Scrollable action exmaple](https://deploy-preview-438--aria-practices.netlify.app/aria/apg/patterns/listbox/examples/listbox-scrollable-actions/) [WAI Preview Link](https://deploy-preview-438--aria-practices.netlify.app/ARIA/apg) _(Last built on Tue, 09 Dec 2025 22:40:09 GMT)._

The URI for sourcing AT support table data has changed, and more support tables are now available. This change: 1. Modifies the path of the source URI for existing AT...

Spin button pattern home and end guidance conflicts with basic editing functionality

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#### Background The [Keyboard Interaction section of the Spin Button Pattern](https://www.w3.org/WAI/ARIA/apg/patterns/spinbutton/#keyboardinteraction) specifies functionality for the 'Home' and 'End' keys that conflict with the guidance to support standard single-line editing keys....

## Description of Behavior For the right arrow and up arrow commands, the output recorded by the bot indicates that quick nav was enabled when the bot executed the command,...

TPAC workshop on writing/proposing screen reader interop test cases and test plans

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A workshop, similar to earlier workshops on writing WPT tests, with the goal of enabling people to develop test cases and draft test plans for simple, atomic screen reader interop...

TPAC joint meeting on AT interop (+ relevant AGWG participants)

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Over the last 6 years, The ARIA-AT CG has developed a methodology, process, and platform that enables scalable interop testing and reporting of desktop screen reader support of web accessibility...