Bug with Park channels

Hi guys!

Currently I work in a theatre, where they use gio @5 with softwere 2.8.2. There is a problem, that Park channels from previous shows are imported in new show altough i'm createing a new show. I think this is not normal... so is this allready fixed in next updates or what, cuz it's anoying to fix this manually everytime. Thans for answers.