They Updated The Quickplay Bots...

Also used in Practice vs AI and 18 vs 18 Inc AI. Here's a video showing the difference: https://www.youtube.com/watch?v=D3YS36tR0io

Also, I found out from another reddit post, that they no longer are guaranteed to do 2-2-2 (I saw this in one of my vs AI matches, where 3 bots were healers lol).

In the video, you'll see them pretend to select heroes and de-select them (they're much quicker at hovering over them now like humans trying to pick their mains and they still combo team-ups with you, even the ones that you can assist with now!)