I have updated the C# 8 Cheatsheet according to the Microsoft documentation:

Front Page:

Back Page:

The cheat sheet includes the following

1) Default interface methods

2) Nullable reference types

3) Pattern matching enhancements

4) Asynchronous streams

5) Using declarations

6) Enhancement of interpolated verbatim strings

7) Null-coalescing assignment

8) Static local functions

9) Indices and ranges

10) Unmanaged constructed types

11) Readonly-Member

12) Stackalloc in nested expressions

13) Disposable ref structs

New features in the cheatsheet:

- Null-coalescing assignment

- Unmanaged constructed types

- Readonly-Member

PDF:

PowerPoint: