A new SQL Treeo update is available at http://www.sqltreeo.com.

Lot of bugs fixed so now it seems to be a stable add-on for SSMS.

The full change log is available here:

http://www.sqltreeo.com/wp/new-version-of-sql-treeo-ssms-productivity-add-in-was-released/

So, update your SSMS clients :)