Seem to be one of the few who run Cubox. But happy to run test builds regularly when asked.
I find the system locked after not using it. i.e. Coming back to the system and the screensaver is stuck.
Code
################ SYSTEM INFO ################
Date: Sun Apr 18 22:49:45 CEST 2021
kodi Options: --standalone -fs
Arch: armv7l
Kernel: Linux 5.10.30 #1 SMP Sun Apr 18 00:30:58 EDT 2021
Release: LibreELEC nightly-20210417-c9d1954
############## END SYSTEM INFO ##############
Logs http://ix.io/39fn
Reproduction steps is to wait
Also, please let me know if this is preferred on GH or elsewhere.