Photoshops Elements Organizer 2020 Scrolls erratically on new IMac 24 M1

I recently bought an IMac 24 M1 and reloaded Phototshop Elements 2020.  I have over 10,000 photos in my primary photos folder.  When I start and use the Organizer scrolling through gallery is frustratingly slow. I try and scroll with Mac wireless mouse and it lags regardless of the direction.  I have to scroll really slowly to allow time for the scroll respond or catch up.  I've tried tons of solutions with nosuccess. Any ideas on what I should do next.