Merged back in 2018 for Linux 5.0 was support for the Apple Magic Trackpad 2. Merged this week for the in-development Linux 7.0 kernel is fixing battery reporting for those using the Magic Trackpad 2 under Linux.
This week’s HID fixes pull for Linux 7.0-rc3 contains just a few fixes. There are some memory leak fixes in some of the C code, potential kernel crashes in some of the drivers, and also fixing a potential null pointer dereference too. For end users what’s likely most notable is fixing battery reporting for the Apple Magic Trackpad 2.
if anyone else was confused about how their magic trackpad battery was working currently, it was just broken over usb