I've been building a coding agent (https://github.com/abrinsmead/cogent) on the previous version of bubble tea for the past few weeks and it has been nice to work with (though honestly I'm not touching much code).
The biggest blocker I have is that I haven't been able to simultaneously support both mouse wheel scrolling and the ability to select text for copy and paste. I understand that this is a limitation of pretty much all terminals, but we have seen it solved in Claude Code. Maybe this new version has a solution.