SMF announced on February 11, 2011:
Simple Machines announces the immediate public release of SMF 1.1.13, SMF 2.0 RC4 Security Patch, and SMF 2.0 RC5.
This version is a security release, and it is strongly advised that all users upgrade to this release as it contains a few security and privacy fixes in both SMF 2.0 and SMF 1.1
It is running on 1.1.12 yet.