[Testing Update] 2021-01-08 - Kernels, Plasma 5.20.5, KDE Apps 20.12.1, Nvidia 460, AMDVLK, Firefox, Pamac

[freggel.doe]

[Unstable Update] 2020-12-22 - ICU, Firefox, Removal of Qt4

Heads up for thunderbird users: recent update to 78.6.1 messed up my profiles calendar data (most notably: resolved tasks). Downgrade to 78.6.0 and restore of calendar-data directory in the affected profile was necessary to get going again.