When clicking “update” in Package Manager Window, or when a domain reload happens with package manager window open, I regularily have freezes > 10s. With profiler on, > 100s. With deep profiler on, my 64GB RAM machine goes out of RAM after a couple minutes.
Looking at Editor Profiler shows this - ~1 GB of allocations on refresh:
(This is on Unity 2019.2.2f1)
Any ideas?