This stopped a long time ago. Many older GNU projects still have them, but newer ones are not required to have them. Some have even made their usage optional.

This stopped a long time ago. Many older GNU projects still have them, but newer ones are not required to have them. Some have even made their usage optional. An example of a project making it optional is GCC itself: https://gcc.gnu.org/pipermail/gcc/2021-June/236182.html https://gcc.gnu.org/pipermail/gcc/2021-June/236182.html