Tested both Lubuntu and Ubuntu Studio in Secure Boot enabled EFI virtual machines, with proposed updates enabled and the correct calamares-settings-[l]ubuntu[studio] package installed for each test. Installed package, then installed system, rebooted, logged in, launched all LibreOffice subapps (Writer, Calc, etc.), and ensured that they rendered in the correct language. Both tests passed.
Tested both Lubuntu and Ubuntu Studio in Secure Boot enabled EFI virtual machines, with proposed updates enabled and the correct calamares- settings- [l]ubuntu[ studio] package installed for each test. Installed package, then installed system, rebooted, logged in, launched all LibreOffice subapps (Writer, Calc, etc.), and ensured that they rendered in the correct language. Both tests passed.