The most frustrating moment in ETS2 modding is downloading a realistic trailer mod or a multiplayer mod (like TruckersMP) only to be told you are missing a specific DLC. With the v15010s 87 DLCsFit release, you are covered. You will never see a grayed-out truck or an invisible trailer again.
A: Yes – follow this thread for small update packs (v1.50.2s, etc.).