What's Changed
* Added 3D-RISM and GBNSR6 to mdin configuration by Valdes-Tresanco-MS in https://github.com/ParmEd/ParmEd/pull/1305
* Basic routines for internal to cartesian coordinate conversion by bradakta in https://github.com/ParmEd/ParmEd/pull/1311
* Transfer chain IDs to OpenMM topology. by jpthompson17 in https://github.com/ParmEd/ParmEd/pull/1310
* Add a library of all CCD residues separate from modified amino/nucleic acids by swails in https://github.com/ParmEd/ParmEd/pull/1315
* Fix Python 3.8 support by swails in https://github.com/ParmEd/ParmEd/pull/1319
* Preserve residue IDs, insertion codes, and bond orders in OpenMM topology conversions by jpthompson17 in https://github.com/ParmEd/ParmEd/pull/1316
New Contributors
* bradakta made their first contribution in https://github.com/ParmEd/ParmEd/pull/1311
**Full Changelog**: https://github.com/ParmEd/ParmEd/compare/4.1.0...4.2.0