Latest maintainer comment ·
kisak-valve · 2026-05-15 ·
#558Hello @Hupro, please add [`PROTON_LOG=1 %command%`](https://github.com/ValveSoftware/Proton#runtime-config-options) to the game's launch options, reproduce the regression, and attach the generated $HOME/steam-$APPID.log to this issue report as a file. (Proton logs compress well if needed.)
#558 · 112 comments ·
opened 2018-08-25 · last comment 2026-05-15 by Hupro
By the way,
PROTON_NO_ESYNC=1 does NOT seem to be needed on my end. Performance is also significantly ...
comment by
CSahajdacny · 2020-02-08 ·
view ·
github ... 5.0-1?
Batman:Arkham Knight works, but
PROTON_NO_ESYNC=1 is needed to be enabled.
![20200207232944_1](https://user ...