Fewest errors so far with (fresh install) Ubuntu 25.10 on intel MacPro after some fiddling and futzing.
Fixed:
1. magicmouse_hid error
2. brcmf not loading used 6.12 lts t2 kernel instead required zfs-dkms re-install for some reason
3. after resume from suspend the touchpad now actually activates without turning it off an on using a systemd service and script call to rrmod, modprobe the magicmouse_hid driver
4. switched from pipewire to pulseaudio