The COPASI team announces the immediate availability of the stable release COPASI 4.20 (Build 158).

A new release of COPASI has been made available. Please visit our free download page to retrieve this latest development release. Please note this version is released under the Artistic License 2.0, which is an OSI approved license. This license allows non-commercial and commercial use free of charge. This is a bug fix release which fixes an access violation crash.

Release Date: July 31, 2017

More information can be found in the changelog.