If you use Photoshop Elements for Windows and you’ve applied the update to PSE 13.1, you probably noticed that you have trouble scrolling in the organizer since the update. Adobe has finally released a fix for that, which you can download here:
https://helpx.adobe.com/photoshop-elements/kb/photoshop-elements-13-1-hotfix.html
(If you don’t use the Organizer, or if you have a Mac, there’s no need for this.)
