Version 2.3 release May 2, 2011

• Madrigal data files made available for the community, 245 additional data files added to the 1469 data files already available

==Version 2.2 released April, 2011

• Minor updates to the VSTO Ontology 2.0
• MLSO data access fixed, now returning data from OPeNDAP server
• CEDAR data access upgraded
• Minor bug fixes

Version 2.1 released August, 2010

• Minor updates to the VSTO Ontology 2.0
• Information box contents bug fixed, information about concepts and instances rendered properly
• CEDAR Data access upgraded and moved to new server, along with CEDAR wiki
• Minor bug fixes

Version 2 released May 1, 2010

• VSTO Ontology 2.0
• Ontology cleaned up
• New Instrument class MiddleAtmosphereRadar
• Bug fixes in Java code
• Maximum number of days changed from 10 to 366
• NetCDF DataProduct added for CEDAR data to be returned as NetCDF files
• Minor bug fixes

Version 1.1 released 2009

• VSTO data portal server moved from HAO/UCAR to RPI
• Upgraded build and release mechanism
• Minor bug fixes

Version 1 released 2007

• VSTO Ontology 1.0
• New Data Portal, hosted at HOA/UCAR