The Meaning of Life, the Universe, and Everything.
Very stable. The only major changes (in my opinion) that would warrant waiting would be if they were to add a new biome or if they were to change the rarity of a certain structure. Currently, things are working quite well (though striders are still really buggy).
Rollback Post to RevisionRollBack
Remember those versions that minecraft pranked us with? Specifically:
Those are still downloadable! Watch this video for 2.0:
To download the other ones you need to make a folder in the versions folder for minecraft and put the client and JSON file for the versions in there. They all need to be named the same aside from file extensions. Once you do that, you will be able to choose that version when making a new profile with the minecraft launcher.