This update fixes a few issues with the first RC. Just bumping the mumble-1.2.3_rc1 ebuild (with a minor change to the tarball name) works for me on amd64. Reproducible: Always Steps to Reproduce:
Created attachment 261995 [details] mumble-1.2.3-rc2.ebuild
Thanks, mumble 1.2.3 has been released in the meantime and I've just committed it to CVS.