I'm using 1.9.1 right now for development, but may make the switch to 1.9.2 - the only issue I've encountered on 1.9.1 with Rails 3 are problems with encodings

I'm using 1.9.1 right now for development, but may make the switch to 1.9.2 - the only issue I've encountered on 1.9.1 with Rails 3 are problems with encodings and multibyte characters.