Right click does not work. Output from libinput list-devices in dom0 produces these error messages.
event4 - sys-usb: Apple Inc. Magic Trackpad 2: libinput bug: Internal or external? Please file a bug.
event4 - sys-usb: Apple Inc. Magic Trackpad 2: kernel bug: non clickpad without right button?
event5 - sys-usb: Apple Inc. Magic Trackpad 2: libinput bug: Internal or external? Please file a bug.
event5 - sys-usb: Apple Inc. Magic Trackpad 2: kernel bug: non clickpad without right button?
...
Device: sys-usb: Apple Inc. Magic Trackpad 2
Kernel: /dev/input/event4
Group: 5
Seat: seat0, default
Size: 162x115mm
Capabilities: pointer gesture
Tap-to-click: disabled
Tap-and-drag: enabled
Tap drag lock: disabled
Left-handed: disabled
Nat.scrolling: disabled
Middle emulation: n/a
Calibration: n/a
Scroll methods: *two-finger edge
Click methods: none
Disable-w-typing: n/a
Accel profiles: flat *adaptive
Rotation: n/a
Device: sys-usb: Apple Inc. Magic Trackpad 2
Kernel: /dev/input/event5
Group: 6
Seat: seat0, default
Size: 162x115mm
Capabilities: pointer gesture
Tap-to-click: disabled
Tap-and-drag: enabled
Tap drag lock: disabled
Left-handed: disabled
Nat.scrolling: disabled
Middle emulation: n/a
Calibration: n/a
Scroll methods: *two-finger edge
Click methods: none
Disable-w-typing: n/a
Accel profiles: flat *adaptive
Rotation: n/a