The Android 11-based One UI 3.0 firmware for the Galaxy Tab A 10.1 (2019) is now rolling out in almost 30 countries across the globe. The list of changes includes a refreshed UI, one-time permissions, chat bubbles, improved stock apps, additional lock screen options, a conversations section in the notifications area, and more.
https://www.notebookcheck.net/Samsung-updates-the-Galaxy-Tab-A-10-1-2019-to-Android-11-sooner-than-expected.548935.0.html