Google introduced Android 12L, a “version” of Android to support apps on folding phones, tablets and Chromebooks. It looks like Responsive Design 2.0 to me and the first iteration didn’t improve mobile apps on Chromebooks.
Google I/O 2021: 9 new Chromebook features on the way
Day 1 of Google I/O 2021 didn’t reference Chromebooks much. After watching a video presentation I found 9 new Chromebook features on the way.