We just released the second patch which includes the following:
- fixed more "level not visible" bugs
- fixed some tutorial messages not being displayed
- fixed a few more issues with the falling stones in Ruins
- fixed soldier spikes clipping through pipes
- fixed extras being cut off
- fixed some fixed snareplugs behaving strange
- fix for being able to open/close the pause menu too fast, stopping everything
- fixed keyboard warning not being shown long enough when starting new game
- fixed mouse indicator object behaving strange when player gets rotated
- made a lot of improvements to reduce lag/freezing
- a lot of bugfixes too small to list here