Epic Games Launcher needs search function in Marketplace and Library.
Can’t find the newly shared Infiltrator packages, for example.
This is because probably because the Infiltrator assets are in the Learn section of the Epic Games Launcher and not the marketplace. To find them all you have to do is open the Epic Games Launcher and then go to the Learn section. In the Learn section under Engine Feature Samples Infiltrator should be the first option. Let us know if you have further issuses with this.