The versioning 0.0.0 - The last digit is an experimental build (found on Steam), second is stable patches (default Steam branch) and first will be major releases (sometime in the future).
How to get into experimental branch :
1. Open Steam and go to your games library.
2. Right click on STN and select “Properties”
3. Navigate to the “Betas” tab and select “experimental” in the drop down menu.
4. Close the properties window.
You can find the latest STN news & announcements updates here on the Official STN Forums. Visit often to catch up on the latest developments!
Current stable version - 0.9.22
Current experimental version - 0.9.22
Coming in 0.10.XX - Changelog