Please don't cross-post to the gcc and gcc-help lists. Either you are asking about GCC development of asking about using it, not both. Pick one list. On Tue, 2 Nov 2021, 04:22 sotrdg sotrdg via Gcc-help, <gcc-help@xxxxxxxxxxx> wrote: > It looks like It is still in early phase. the fmodule-ts still emits dead > code for example. > > any progress here? > I wouldn't say early, but it is incomplete, as documented in the GCC 11 release notes and at https://gcc.gnu.org/projects/cxx-status.html#cxx20