As Mads announced back in May, C# 9.0 is taking shape. While he shared some really good examples for each of the new and upcoming features, the team recently released full proposed specs for each of the features.

Included in the list are:

C# 9.0 Specification Proposal

Each of these features are broken out further in the C# 9.0 Specification Proposal site which is found at https://jasong.us/2CnRckI.