The COPASI team announces the immediate availability of the stable release COPASI 4.27 (Build 217).

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 release has several new features:

Bug Fix Releases

• Graphical User Interface (CopasiUI)
  • Fixed missing application icon on Mac OS X.
  • In rare occasions it was possible that the COPASI file was corrupted when simultaneously checking for new updates and saving a file.
• Simulation Engine
  • Fixed a problem where COPASI incorrectly reported a steady-state due to a singular Jacobian.
  • Fixed a problem where a scan task caused an exception due to incomplete specification.

Release Date: September 14, 2019

More information can be found in the changelog.