Facebook Private Beta app for Windows 10 PCs snags a new update with many improvements. The latest update brings the support for reactions which was already available in web versions. The app is performing very good after this update , so we think this is also a performance improvement update.
Only this is the main feature added by Facebook to the app , we will update this article with more information.
Note : The app is in private beta stage , that means only selected users can join.