Epic Games Launcher Vault causes incredible lag

I cant keep the Launcher open while gaming,it halves my FPS and everything stutters. Even Videos on youtube will crash.

Add a way to hide all vault Items/ fix the lag
Also why cant we directly search for vault Items that have an update available?

CPU :Ryzen 1700 @ 3,4 GHz
RAM: 64GB Corsair Vengeance LPX
GPU: GTX 1050 Ti 4GB
SSD:Samsung 970 EVO plus