As Terry Ryan announced during cfObjective (ANZ) next release of ColdFusion Builder is codenamed as Twister. It will be aligned with Zeus release (ColdFusion server next) and will be an upgrade to ColdFusion Builder 2.0.
Apart from important bug fixes, some of the key changes include support for Zeus CFML changes and language additions, server management for Zeus, performance improvements for Editor and enhanced Adobe CFC Generator extension.
If you have any particular bug that you would like us to fix, make sure you report and get more people vote for the same. You can access public bug tracker for CF Builder here.