Language Feature Roadmap

Current language feature status of the master branch is detailled in issue #829

"vNext" (post 3.1) language features are as follows (not in language version order):

• Default expressions
• Throw expressions
• Named and optional arguments, non-trailing named arguments
• Tuples
• ref readonly
• interior pointer/Span/ref struct

Version 3.1 planned features have been implemented.