What's New in CLion
CLion 2019.3 speeds up code completion by adding a Clangd-based provider, eliminates various UI freezes, and introduces many other performance improvements. It enhances the integration with CMake, adding Ninja generator support among other things, and brings code coverage and WSL2 support. The debugger support has been significantly improved in lots of ways. And finally, support for C++20's Concepts has made it in including refactoring, navigation, and code completion.