Expander 5.2 contains the following improvements:
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1) Improved default flow (default scenarios) for the analysis wizard. 
2) Support for MSigDB annotations in General Enrichment Analysis 
3) Ability to search for a group of genes.
4) Ability to change conditions order as a pre-processing step.
5) Use of file path to automatically detect data file configuration upon data load (for a file that has been previously loaded).
6) Basic support for an unknown ("Other") organism.
7) Inclusion of optional comments when loading a grouping solution.
8) An option for saving a filtered set of genes (IDs only).
9) Series color legend in hierarchical clustering results.
10) Right click menu from gene lists to allow opening the web browser with more then one database.