I was looking through my Registry, and searching for Scrivener (to find a particular registry entry), and came upon
Which according to https://www.epochconverter.com/ldap is about 9:30 am on Jun 11, 2019.
And I have no idea what I did 20 days ago to cause that. But a “heap leak” might mean something to the devs. Unfortunately, while Windows RADAR detects them, it doesn’t tell us what was happening then (or, at least, not without more trouble than I want to go through right now).