Launcher update to 0.5.6.6.
Open the launcher and press Play once. The game starts, and the new launcher is installed behind it. Close the launcher and open it again. The corner should read V 0.5.6.6. You get two progress bars and no Done patching popup. You do not need to download the installer again.
What changed in this build
2 new files, 1 updated across the client. The launcher pulls them on next start.
Manifest snapshot: 300039 total files. This is the source of truth the launcher diffs against on every login.