2.5.3 Release

This release enables variable scaling for the PETSc time-stepping solvers and updates to PETSc 3.16.2.

2.5.2 Release

This release fixes a bug in the PETSc DAE solver wrapper that could cause constraints that are an explicit function of time not to work properly.

2.5.1 Release

This release fixes a bug in the PETSc solver wrapper that could cause it to miscount inequality constraints.

2.4.4 Release

This adds the PETSc solver extra and a Van der Waals option for the cubic equations of state root function. The CentOS 6 and Ubuntu 19.10 builds were dropped from this release.

2.4.3 Release

Minor update to k_aug version string. This is required for Pyomo versions >= 6.0 to properly identify the executable.

2.5.0 Release

Updated Pynumero major version to 2.

2.4.2 Release

This release provides to following minor updates.

1. Link solver executables against static ipopt libraries.
2. Fix potential issue on windows with missing zlib1.dll.
3. Add a test user-defined AMPL function to test string arguments and variables length argument lists.

2.4.1 Release

This patch release fixes a bug in k_aug (dthierry/k_aug@2c3f953).

2.4.0 Release

This release adds the sIpopt, Bonmin, Couenne, CBC, and CLP solvers.

2.3.0 Release

This release adds new functions for calculating the roots of a cubic equation.