Hightlighting a less known C++20 feature:

Mathematical constants in C++20

by Jens Weller

From the article:

When I researched the library and language features of C++20 for the Meeting C++ Community survey, this feature catched my eye.

And I thought its such a nice small feature, I should mention it on the blog. As all other C++20 blog posts right now seem to be about coroutines. It also is a nice follow up on an old blog of mine: C++ & π, where I showed the various ways of obtaining pi for C++ in 2013...