v5.0.18
Frontend timeouts for async methods (#2911)
Update to latest BenchmarkDotNet
Add Npgsql.Benchmarks project
Cleaned up usings in tests
Sync nullability annotation to ADO.NET
Updated BenchmarkDotNet to support .NET 5
Convert codebase to use C# 8 nullability
Drop support for net461 (#3270)
Removed unuseful usings
Read and Write arrays of nullable value types
Updated .NET Core in CI and nullable option