Chrome appears to be first to have hit all the 2024 Interop #accessibility test goals:
web.dev/blog/interop-2024-a11y

Interop tests (which you can read to balance against the Chrome claim):
wpt.fyi/results/?label=experim…

While I want more (more done, more aggressive goals, etc), this is good. Kudos to the team for getting there.

#a11y

Interop 2024: Chrome at 100% for the accessibility focus area  |  Blog  |  web.dev

Chrome now passes 100% of tests for the accessibility focus area. This post explains the improvements made.

^web.dev