Currently using QTS 5.2.6
In Storage & Snapshots, there’s a window to show details for installed QPKGs:
It would be great to have the option to sort this list by QPKG size, to help work-out which packages are the space-hogs.
Thank you. 
Thanks for the suggestion! We’ve already implemented this feature in the 5.3 series and later, and we plan to roll it out to future new versions as well. Thanks!
Awesome. Thanks Steve.