A new version of the Visual Studio integration ReSharper C++ by Jetbrains has be released.

ReSharper C++ 2020.1: New C++20 Features

by Elvira Mustafina

From the article:

Here is a quick overview of the main highlights. If you are interested in the specific details, please read on:

• Better C++20 support, including constrained type placeholders, abbreviated function templates, using enum declarations, and template syntax for lambdas.
• New inspections with quick-fixes.
• Rearrange Code and Complete Statement.
• For game developers, ReSharper C++ introduces initial support for the High Level Shading Language and adheres more closely to the Unreal Engine guidelines.