I'm very happy to announce that Chapter 5 is now available to play with this free update. Mac version is also now available. Plus it's on SALE! 80%OFF!
Cheers!
Source: Steam Community (opens in a new tab)
Build and release context
Steam update times within 24 hours of this post. Matching dates do not confirm which build it describes.
Build 1602731 · public branch
Steam updated · First observed