Hello James840a -
There are trial versions that are missing some functions but it does not sound like that is the case here.
Try a different shortcut. It is possible the assigned one just did not 'take' for some reason.
The change in brush size can be more easily seen if you have the full size brush tip cursor selected in Preferences. Twisting the cap works the same way using the [ ] keys to change brush size does.
It sometimes takes a couple of tries to get this working but other than with the language examples already mentioned, with the other functions of the plugin working this one should as well.
Did you try the Keyboard Shortcuts.psp workaround that was mentioned ?
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Barbara

