Both for the Euro Truck Simulator 2 and the American Truck Simulator the Update 1.42 with improved force feedback support under Linux is now available:

Changelog

Gameplay

Initial MOD support for Convoy multiplayer

UI

Convoy session modification UI added for MOD compatibility and downloads.

Other

Force feedback improved and available for more controller types on more systems (Linux)
Steering wheel animation range setting

The complete announcement can be found here.