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    Does the corresponding libstdc++ release support std::format? That’s the only modern C++ feature that I’ve missed on platforms where GCC is the system compiler.

    1. 2

      No.

    2. 2

      If you are looking for news on C++20 modules support, then, sadly, there is not much progress since GCC 11. I’ve re-tested my modules examples[1] a few days ago with the GCC 12 snapshot, and while a few bugs have been fixed, the majority remain unfixed[2].

      [1] https://github.com/build2/cxx20-modules-examples

      [2] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103524