Open Force Field Initiative

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Published February 25, 2026 | Version v0.5.1
Software Open

OpenFF Interchange

Authors/Creators

  • 1. Vanderbilt University

Description

What's Changed

  • Use Sage 2.3.0 in most tests by @mattwthompson in https://github.com/openforcefield/openff-interchange/pull/1412
  • [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in https://github.com/openforcefield/openff-interchange/pull/1415
  • [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in https://github.com/openforcefield/openff-interchange/pull/1419
  • Build(deps): Bump prefix-dev/setup-pixi from 0.9.3 to 0.9.4 by @dependabot[bot] in https://github.com/openforcefield/openff-interchange/pull/1420
  • Fix edge case with combination by @mattwthompson in https://github.com/openforcefield/openff-interchange/pull/1418
  • [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in https://github.com/openforcefield/openff-interchange/pull/1421
  • Turn on import sorting by @mattwthompson in https://github.com/openforcefield/openff-interchange/pull/1424
  • [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in https://github.com/openforcefield/openff-interchange/pull/1425
  • Create OpenMM particles even with no non-bonded handlers by @mattwthompson in https://github.com/openforcefield/openff-interchange/pull/1431
  • Clear caches when re-creating from new force fields by @mattwthompson in https://github.com/openforcefield/openff-interchange/pull/1435
  • Fix vsite z-coordinate computation by @lilyminium in https://github.com/openforcefield/openff-interchange/pull/1440
  • Ensure improper torsions are added to OpenMM, even with no proper torsions by @mattwthompson in https://github.com/openforcefield/openff-interchange/pull/1442
  • Use custom 1-4 scaling factors on interactions involving virtual sites by @mattwthompson in https://github.com/openforcefield/openff-interchange/pull/1437
  • Use set when storing 1-4 pairs in OpenMM export by @mattwthompson in https://github.com/openforcefield/openff-interchange/pull/1446
  • Release 0.5.1 by @mattwthompson in https://github.com/openforcefield/openff-interchange/pull/1449

Full Changelog: https://github.com/openforcefield/openff-interchange/compare/v0.5.0...v0.5.1

Notes

If you use Interchange, please cite it as below.

Files

openforcefield/openff-interchange-v0.5.1.zip

Files (1.7 MB)

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Additional details

Related works

Is supplement to
Software: https://github.com/openforcefield/openff-interchange/tree/v0.5.1 (URL)

Software

Repository URL
https://github.com/openforcefield/openff-interchange