Compatibility Report

• Name of the game: Battlerite
• Steam AppID of the game: 504370

System Information

• GPU: GTX 650 TI Boost
• Driver/LLVM version: nvidia 396.54
• Kernel version: 4.18-5
• Link to full system information: here
• Proton version: 3.7.6

Symptoms

Today after the recent update Battlerite(i.e. 1.8.0) I can't play a match. Menu is still working well, but when I start a match or a practice the game will almost immediately crash while connecting.

NOTE: this issue is only related to Steam Play/Proton, because with Lutris 0.4.18 and wine-staging 3.16 Battlerite works fine.
Also the reddit user Lethiks confirms it here

Reproduction

1. Run Battlerite the AppID is 504370.
2. Select Practice -> Playground or Play -> Casual/League -> Ready
3. The game will stuck on loading and Steam displays popup window about crash.

Log files

• Log files from the game directory:
  error.log
  output_log.txt
• Proton log via PROTON_LOG=1 %command%:
  steam-504370.log