We have done a lot of work on ironing out the last remaining issues in the 1.4.x line update, and finally today it looks like we have a very solid build:

Euro Truck Simulator 2 Update page

This patch is really what 1.4.1 was supposed to be. We tested 1.4.1 extensively, or so we thought, but it really took the eyes of thousands of player to help us discover several remaining hidden bugs, through using various combinations of hardware, drivers and mods installed. We are also finally pushing the button for Steam players to have access to this new version of the game straight away, rather than depending on beta branches.

Read more at: SCS Software blog