The second update brings an in game editor so you can create your own puzzles and share them with other players. You can read more about the editor here
- Create your own rooms using in game editor
- Share rooms with the community
- Fast forward mode
- Bug fixes
You can get the update by patching from within the game or you can re-download the new setup and install over your current installation (saved games will be preserved).
Here is the new official trailer showing off some of the editor features...