This version fixes bug 478320, so we need to stabilize it before sys-apps/portage-2.2.1.
I agree -- CC'ing arches.
Stable for HPPA.
amd64 stable
arm stable
x86 stable
alpha stable
ia64 stable
ppc stable
ppc64 stable
sparc stable
SH is not anymore a stable arch, removing it from the cc list
S390 is not anymore a stable arch, removing it from the cc list
M68K is not anymore a stable arch, removing it from the cc list