virtual/httpd-php is only stable on ppc up to 5.2, whereas php 5.3 is stable. This results in blockers trying to upgrade php to 5.3 on a stable ppc box. (This may also affect other 'minor' arches - I haven't checked). The solution is of course to stabilise =virtual/httpd-php-5.3 on all arches where =dev-lang/php-5.3 is stable. Reproducible: Always Steps to Reproduce:
Same situation on ia64
alpha/ia64/s390/sh/sparc stable
ppc done