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.
Release Date: October 22, 2026
New Features since COPASI 4.47 (Build 309)
- This is only a bug fix release there are no new features.
Bug Fixes and Enhancements since COPASI 4.47 (Build 309)
- Graphical User Interface (CopasiUI)
- The Time Scale column is now always positive in all tabs containing information about a Jacobian.
- Simulation Engine
- The pseudo random number generation and sampling of distribution is now done with classes provided by the C++ standard.
- Standards
- SBML: Fixed crash when loading a model containing unsupported delays.
- Language Binding
- Assured that all warnings created during import of SBML files are accessible.
More information can be found in the
changelog.
