RPM are rebuild regularly against latest SVN snapshots.

Current version : 5.3.4-0.1.201011270530 (5.3.4RC2-dev)

To install and test this new version, which should fixes quite a lot of bugs :

yum --enablerepo=remi-test update php
I'm waiting for your feedback, on the forum.

This version is already used on my dedicated hosting server.