App-V Performance Improvements in Windows 10 June Updates

Out of the long list of fixes and improvements in this update is:

Addresses performance regression in App-V, which slows many actions in Windows 10.

The link for Windows 10 1803 (with older builds accessible from the same page) is here:

https://support.microsoft.com/en-us/help/4284848/windows-10-update-kb4284848