Pkgcheck Warnings
- All Versions
- UnstableOnly
for arches: [ arm, ppc64 ], all versions are unstable: [ 2.1.8, 2.1.9, 2.1.10 ] 
 - 2.1.10
 - 2.1.9
- PotentialStable
slot(0), stabled arches: [ amd64, arm64, x86 ], potentials: [ ~arm, ~ppc64 ] 
 - 2.1.8
- RedundantVersion
slot(0) keywords are overshadowed by version: 2.1.9 
 
Pkgcheck is used regularly to generate QA reports. Pkgcheck is a pkgcore-based QA utility for ebuild repos.