What's new in 4.0~beta2?
Tails 4.0 will be the first version of Tails based on Debian 10 (Buster). As such, it upgrades essentially all included software.
We are particularly interested in detecting new problems with the following hardware:
Mac computers
Recent Nvidia and ATI/AMD graphics cards
https://tails.boum.org/news/test_4.0-beta2/
https://distrowatch.com/table.php?distribution=tails