Build 2.3.30.26 spotted in the wild — Mammotion hasn't published notes for it. Reminder: back up your maps before updating.
MammoStatsMammoStats

Log an update — 30 seconds, no account

Screenshot your Settings → Device Information screen and drop it below. We read the model and firmware version, then ask how the build is behaving.

Settings → Device Information

Your screenshot is read and immediately discarded. We never store the image, and we never read your mower's name.

or