Version 4.1.0-4 of sbmltoolbox is marked for autoremoval from testing on Wed 09 Oct 2019. It depends (transitively) on binutils-arm-none-eabi, affected by #935273. You should try to prevent the removal by fixing these RC bugs.
Last update: 2019-09-15
Standards version of the package is outdated.
The package should be updated to follow the last version of Debian Policy
(Standards-Version 4.4.0 instead of