Feral's "GameMode" has been updated to version 1.8.2. This update fixes four bugs and improves documentation.GameMode is a daemon/libGameMode that helps optimise Linux system performance for gaming. You can find GameMode in various distro repos and on Github. It is licensed using the BSD-3-Clause license.
The source code can be found on Github:
https://github.com/FeralInteractive/gamemode
The release notes for this update are here:
https://github.com/FeralInteractive/gamemode/releases/tag/1.8.2