This should be the last RC before the actual release (expected by next Monday).
Binary tarballs produced and signed with:
$ ./autogen.sh
$ make dist
$ gpg --detach-sign --armor shadow-4.20.0-rc3.tar.gz
$ gpg --detach-sign --armor shadow-4.20.0-rc3.tar.xzSource tarballs produced and signed with:
$ git archive -o shadow-4.20.0-rc3_src.tar 4.20.0-rc3
$ gpg --detach-sign --armor shadow-4.20.0-rc3_src.tar
$ gzip -nk shadow-4.20.0-rc3_src.tar
$ xz -k shadow-4.20.0-rc3_src.tar