Full list of enhancements and fixes can be found in the Beta release notes at:
http://dev.toadfordb2.com/releasenotes/beta/ToadDB2BetaRN.htm
A new Toad for DB2 Beta build 5.5.0.363 is available at:
http://www.toadworld.com/products/toad-for-ibm-db2/toad_for_ibm_db2_beta_program/default.aspx
Vlas Titov