I map my second Wacom stylus button to the keystroke “Ctrl+Z” for undo.
In Harmony, when I press that button, the undo will happen but will also turn on the Zoom tool and zoom in 1000%
You can imagine my frustration.
(also trying to add optional tags to this post and it’s not working)
Tested it out, and reproduced.
Setting button>>Keyboard>Keystroke> to ctrl+z, does undo and zooms in. Also if you continue to hold the button it turns to the zoom tool.
But if I set button>>Keyboard>Undo, it works without issue.
For a test I decided to uninstall the Wacom Driver/Software and install a older release. I now have no issues with setting up ctrl-z on the pen button, it works as it should.
So check your Wacom Driver, you can try updating it, reinstalling it, or try a older release.