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.

Expander 5.2.1 contains the following improvements:
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A correction to a bug causing differential expression direction parameter to  be misread (i.e. consion between down-regulation, up-regulation and differential). 


Expander 5.2.2 contains the following improvements:
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An updated version of SPIKE in which several SPIKE bugs have been resolved
An option for defining a "VIP" group of genes that will not be filtered out of the data
Runtime improvements in the Matisse algorithm
Additional batch file for runnung Expander with 3200Mb memory (can be used with 4 GB RAM) 
Runtime improvement in opening a group panel on the right


Expander 5.2.3 contains the following improvements:
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Support for rice analysis
Corrected organisms.txt file - solves bug in working chicken and z-fish (ID type bug)
Added a.fumigatus to organisms.txt (was missing).