DPAD works now in both windows and Steam Deck (and ubuntu).
Updated the GUI to scale well with Steam Deck resolution (both 16:9 and 16:10 ratios).
Option to toggle the onscreen touch screen arrows, default is off.
DPAD fix and Steam Deck compatibility
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 9821565 · public branch
Steam updated · First observed