A day after American open beta for version 1.56, SCS announced the release for ETS2 and it is now available to test. Base game changes like new Profiles UI or Height Blend effect are the same as in ATS but in European sim some new content revealed for DLCs.

Changelog 

Gameplay

• Camera Zoom – Hold/Toggle

Vehicles

• HS-Schoch Tuning Pack DLC Update
• Special Transport DLC Update – CZ LOKO
• Schmitz Cargobull Trailer Pack DLC Update 

Visual

• Height Blend

UI

• New Profile Creation and Start-up Flow
• Management UI/UX Improvements

Other

• DLC Browser

As always more details on SCS Software blog and you can also try these changes joining beta branch. Go to Steam library – right-click on Euro Truck Simulator 2 – Properties – Betas tab – Beta Participation drop down menu – public_beta. No password is required.