Blue Post
Original thread hosted on Blizzard's official forums.
Unable to play on Linux platforms after new update
View on Blizzard forums:
https://us.forums.blizzard.com/en/d4/t/unable-to-play-on-linux-platforms-after-new-update/260312/58
We’re building an emergency patch to deploy that should fix this issue. It may release later on tonight but hard to say for certain.
Thanks for your patience, and sorry for the delay.