A number of VMware certification exam blueprints have been updated to new versions.
VCP4 v1.9.2: http://communities.vmware.com/docs/DOC-10074
VCP5 beta v1.4: http://communities.vmware.com/docs/DOC-16726
VCA4-DT v1.2: http://communities.vmware.com/docs/DOC-16714
VCP4-DT v1.1: http://communities.vmware.com/docs/DOC-16715
It looks like the changes in all the blueprints are minor, but as always it is advisable to use the latest blueprint available to help prepare you for the certification exams.