(In reply to Julien Wajsberg [:julienw] from comment #46) > this is really a bug in Windows 11 (but should we try to workaround the bug?). Although it doesn't fix it entirely, our new a11y caching architecture does appear to significantly improve this; see comment 23. However, this won't be ready to ship for a few months at least. Beyond that, the only other possible workaround is to try to block the Windows Clipboard service from making a11y queries in Firefox. Unfortunately, our a11y client detection code can't seem to detect the Windows Clipboard service and I haven't managed to get any response from my Microsoft accessibility contacts on how we can improve that detection.
Bug 1774285 Comment 47 Edit History
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(In reply to Julien Wajsberg [:julienw] from comment #46) > this is really a bug in Windows 11 (but should we try to workaround the bug?). Although it doesn't fix it entirely, our new a11y caching architecture does appear to significantly improve this; see comment 23. However, this won't be ready to ship for a few months at least. Beyond that, the only other possible workaround is to try to block the Windows Clipboard service from making a11y queries in Firefox. Unfortunately, our a11y client detection code can't seem to detect the Windows Clipboard service and I haven't managed to get any response from my Microsoft accessibility contacts on how we can improve that detection. Edit: I've pinged my contacts again to see if they can help.