This small patch (version 2.6.8.1) fixes a few issues that got reported since the last major update.
See ingame (Main menu -> Info -> What's New) for a detailed list of what was changed.
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 21567315 · public branch
Steam updated · First observed
Build 21567315 · beta branch
Steam updated · First observed