EMC has posted the latest version of the SRDF Storage Replication Adapter for VMware Site Recovery Manager version 5.5 today and it can be downloaded here:
It is supported with both SRM 5.5 and 5.1 and requires Solutions Enabler 7.6.1. The release notes are here, as always please read them first:
The SRDF SRA 5.5 is supported by also the newly released Virtual Storage Integrator Symmetrix SRA Utilities 5.6:
If you want some additional color commentary on the release check out my summary blog post below. I will be posting some more in-depth ones in the coming weeks.
Cody Hosterman | Updated SRDF Storage Replication Adapter released for SRM 5.5
Symmetrix Support Forum