Snapshot gcc-13-20230916 is now available on
  https://gcc.gnu.org/pub/gcc/snapshots/13-20230916/
and on various mirrors, see http://gcc.gnu.org/mirrors.html for details.

This snapshot has been generated from the GCC 13 git branch
with the following options: git://gcc.gnu.org/git/gcc.git branch releases/gcc-13 revision 174436ea00b8f30c7e7d39c53232089d310b309b

You'll find:

 gcc-13-20230916.tar.xz               Complete GCC

  SHA256=83e73172d99b9040e05858f1ace906e020e26281eae772eb078f467d5647555d
  SHA1=e866a218d32893b7eee7d1da83ae768e41b3bf8a

Diffs from 13-20230909 are available in the diffs/ subdirectory.

When a particular snapshot is ready for public consumption the LATEST-13
link is updated and a message is sent to the gcc list.  Please do not use
a snapshot before it has been announced that way.