Version 1.9

This release contains optimizations and minor feature updates. It is designed to work with OpenMM 8.0.

Version 1.8.1

This is a minor update. It fixes a single bug that could produce duplicate CONECT records in less common situations.

Version 1.8

This release contains changes to work with OpenMM 7.6.

Version 1.7

This release contains changes needed to work with OpenMM 7.5. It also adds support for saving in PDBx/mmCIF format.

Version 1.6

This release includes changes needed to work with OpenMM 7.4.

Version 1.5

This release adds support for building membranes.

Version 1.4

This release contains changes needed to work with OpenMM 7.1.

Version 1.3.1

This is a minor update to fix errors when running under Python 2.

Version 1.3

New features in this release include reading PDBx/mmCIF files, and creating non-rectangular solvent boxes. It requires OpenMM 7.0 or later.

Version 1.2

This release adds compatibility with Python 3, along with some minor new features and bug fixes. It requires OpenMM 6.3 or later.