Pkgcheck Warnings
- All Versions
- UnstableOnly
for arches: [ ppc, ppc64 ], all versions are unstable: [ 0.22-r1, 0.22-r2 ] 
 - 0.22-r2
- PotentialStable
slot(0), stabled arches: [ amd64, arm, arm64, x86 ], potentials: [ ~ppc, ~ppc64 ] 
 - 0.22-r1
- RedundantVersion
slot(0) keywords are overshadowed by version: 0.22-r2 
 
Pkgcheck is used regularly to generate QA reports. Pkgcheck is a pkgcore-based QA utility for ebuild repos.