They've completely fucked the RoE in the latest update. I play Co-Op with some buddies, and we've had numerous instances of baddies either shooting at us, or feigning surrender before drawing a gun, and we get dinged for Unauthorized Use of Deadly Force for pelting him with lead. However, we can wallbang crooks through doors with no warning what-so-ever, and the game says that's totally fine.
However, I do like how the AI can now travel from room to room. Now I don't feel completely useless for taking up rear echelon while my buddy scans the door with the mirror wand. I've had several cases where-in we're huddled up against a door, and I notice some guy charging at our group from behind. I love the introduction of a small amount of chaos that ensures everyone's staying alert.
Edit: Checked through the RoN Reddit community, and it looks like
I'm not the only one experiencing the fucked RoE.