Some revdeps still depend on slot 0 so it can't be cleaned up. allegro-4.4.2-r2 still depends on media-sound/jack-audio-connection-kit while allegro-4.4.3.1 has virtual/jack, multilib and EAPI-7. Any objections?
x86 stable
amd64 done
ppc stable
ppc64 stable Last arch. Closing.