Initial list of enhancements and fixes can be found in the Beta release notes at:
http://toadsoft.com/toaddb2/ReleaseNotes/Beta/ToadDB2BetaRN.htm
and as usual a new Toad for DB2 Beta build 5.5.0.212 is available at:
http://toadfordb2.com/beta.jspa
Vlas Titov