Teradata ODBC Driver for RHEL V5

Connectivity
Enthusiast

Teradata ODBC Driver for RHEL V5

Release notes for both V12 and V13 ODBC Driver stated they would support RHEL up to V4.
When will RHEL V5 be supported?
Will the support be both 32bit and 64bit; or 64bit only?

Thank you.
Regards, Nancy