Full list of enhancements and fixes can be found in the Beta release notes at:
http://dev.toadfordb2.com/releasenotes/beta/ToadDB2BetaRN.htm
and as usual a new Toad for DB2 Beta build 5.5.0.335 is available at:
http://toadfordb2.com/beta.jspa
Vlas Titov