<progress> also supports the :indeterminate pseudo class, bug 238451 only added support on <input>
Created attachment 456934 [details] Patch
Submitted web-platform-tests pull request: https://github.com/web-platform-tests/wpt/pull/33554
This patch modifies the imported WPT tests. Please ensure that any changes on the tests (not coming from a WPT import) are exported to WPT. Please see https://trac.webkit.org/wiki/WPTExportProcess
Committed r292582 (249415@main): <https://commits.webkit.org/249415@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 456934 [details].
<rdar://problem/91456056>