In macOS Big Sur, Time Machine added support for backups onto APFS-formatted volumes (the filesystem that Apple introduced a few releases ago). But Apple omitted a big footnote that should be in its ...
Apple started shifting Macs from its old HFS+ filesystem to its more sophisticated APFS format with macOS 10.13 High Sierra. In that release, all SSD-based Macs were upgraded to APFS. Fusion Drives ...