Trine 3: The Artifacts of Power just received a new update! Changelog below. :)
Remember to check this thread for bug reports.
Changelog
v0.08 (build 2942) - June 17th, 2015
Early Access update #8 (Bug fixes + Optimizations)
Technical
* Added more optimizations (GPU occlusion culling changed to CPU occlusion culling)
* Fixed various crashes during single player game and online multiplayer game
Online multiplayer
* Fixed black screen caused by invites
Levels
* Fixed and tweaked lots of small gameplay issues in "The Three Heroes" level
* Fixed and tweaked lots of small gameplay issues in "Academy Outskirts" level
* Fixed and tweaked lots of small gameplay issues in "The Astral Academy" level
Gameplay
* Fixed Zoya (Thief) rope attaching to same object
* Tweaked the new player re-spawn system and spirits (model, effects etc.)
Local co-op
* Fixed local co-op hotjoin during "The Three Heroes" level (wrong characters)
Effects
* Added new effects to various gameplay elements and cinematics
Audio
* Added new audio effects to various levels, gameplay elements and cinematics
Info
* When reporting bugs, please always state game's version number and build number. Check the version number from game's main menu.
List of Known Issues
* Online Multiplayer doesn't have sound if Voice Chat is enabled. You can disable it from %appdata%/Trine3/options.txt (more info on Steam community forums)
* Public Editor might have issues if you try to install new version into old versions install folder (also hundreds of pop ups might appear).
NOTE
* Patch size is about 188 MB