[Stable Update] 2021-04-18 - Kernels, Mesa, Wine, Plasma5, KDE Frameworks, LibreOffice, Bluez

[freggel.doe]

[Testing Update] 2021-04-16 - Kernels, Mesa, Wine, Plasma5, KDE Frameworks, LibreOffice, Bluez

The check isn’t fit to work with multiple occurences of the word GRUB_DISABLE_OS_PROBER in /etc/default/grub - that might be the case with @michaldybczak’s file.