Version 0.6.0-1 of octave-arduino is marked for autoremoval from testing on Mon 08 Feb 2021. It depends (transitively) on arduino, affected by #976930. You should try to prevent the removal by fixing these RC bugs.
Last update: 2021-01-24
Standards version of the package is outdated.
The package should be updated to follow the last version of Debian Policy
(Standards-Version 4.5.1 instead of