Please stabilize =dev-php/PEAR-XML_Serializer-0.20.2 It's been in the tree for many months with no issues. Many packages depend on this one, so if you test e.g. Translation2 and it works, chances are this one works, too.
You forgot something.
amd64 stable
x86 stable
alpha/arm/ia64/s390/sh/sparc stable
ppc* done
Stable for HPPA and closing.