These platforms are now available for download:

• SunOS 5.10 on SPARC 64-bit and 32-bit
• MacOS 10.6 (Snow Leopard) 64-bit and 32-bit x86

Additional information concerning the 2.4.21.3 release is here:

Symas OpenLDAP 2.4.21.3 Released for RHEL4/RHEL5/SLES9/SLES10 on i386 and x86_64