saw there is a new firmware: Snapmaker 2.0 Firmware Updates and Downloads
just updated and now it says:
M1005
Marlin SM2-4.4.16
Compiled: Jan 10 2022, 17:28:43
PACKAGE: Snapmaker_V4.4.16
Module Ver:
Module 0x003079A8: v1.11.5
Module 0x0030799E: v1.11.5
Module 0x0050F6E2: v1.11.5
Module 0x0001F246: v1.11.5
Module 0x00307A86: v1.11.5
Machine Size: S
ok
There is also a new Luban Version 4.1.4 on github (pre-release) maybe they fixed it