It can be unsafe to update the accessibility trees eagerly from AXObjectCache::handleAttributeChange because layout and style can be dirty.
<rdar://problem/107850392>
rdar://107589985
Created attachment 465834 [details] Patch
Committed 262804@main (b8ca1cf1bd0f): <https://commits.webkit.org/262804@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 465834 [details].