unlike the Channel list scrollbar and most other scrollbars - using the two finger gesture on Mac trackpads to scroll up and down the list of instruments ( plugins ) doesn't do anything.
this seems like an omission rather than something that needs to be requested as a feature because its an OSX HIG thing - something that **every** scrollbar should support,![](http://answers.presonus.com/?qa=blob&qa_blobid=4951733108769851130)