P. RoguszewskiLeave a comment Hey Guys! As You maybe know from C# 8, every class with implement interface IAsyncDisposable can be disposed of with clause await using. It’s looks pretty, modern, even very good IDE like Rider show tips Use await using what harm could there be? The answer is everything. In my case, it was a situation related to very popular ORM library EntityFramework Core, version for PostgreSQL (efcore.pg). I have some background services, lovely timers, which every X time send SQL dat...