> If it's a headers-only library in a language such as C++, if the project is not dead then the very least anyone would expect from it is being updated to support any of the modern C++ versions.
Did I miss a new C++ version released <2 days ago perhaps?
> Did I miss a new C++ version released <2 days ago perhaps?
You certainly are missing something. C++26 was officially released 4 months ago, and support is slowly being rolled out to compilers and packages.
https://en.cppreference.com/w/cpp/compiler_support/26.html
If you somehow believe this kind of work is done in a couple of days, that's a good way to explain to the world how oblivious you are about the topic you are discussing.