Is this still active, wanting to update to Ubuntu's current version

Hey, the core of the bash's .sh scripts haven't been updated since 2016. Want to know if this is active because currently many people will get build errors with current Ubuntu versions or Debian build. Only 16.04 is officially supported as said in the fix notes, but is there a way I can fix the code so the latest Ubuntu versions are updated, as I am not sure this is still active or not?