I had this exact same problem on my m3 macbook pro, but I just found a solution for my particular case. I have the magnet app installed and it uses very similar shortucts to the ones in this app. I just went into preferences for magnet and turned off a few of the shortcuts and now everything works as expected.
Unsure if you have magnet as well, but if not, then probably worth checking if you have any other apps using the same shortcut.
Note for dr.z that magnet is a very popular app for mac users. It runs in the background to provide tools for resizing windos (similar on windows machines).