shouldn't be any regressions, just bug fixes
Stable for HPPA.
Stable for ppc and ppc64.
amd64 stable
alpha stable
x86 stable
sparc stable
arm stable now ia64 is held back pending bug 503838
ia64 is now stable since glibc has a workaround: http://gitweb.gentoo.org/repo/gentoo.git/commit/?id=a494a1557ce5a4d199234307cb8504dce9a04465 http://gitweb.gentoo.org/repo/gentoo.git/commit/?id=157e85ed681e5ff46e7f6b79ccea11865181e7d9 http://gitweb.gentoo.org/repo/gentoo.git/commit/?id=a5e16e46a4452f26cbc44643b3025a09c1704303