GAMSPy 1.20.0 (2026-02-18)#

Improvements in existing functionality#

  • #765: Return FormulationResult instance for Neural Network formulations (pooling, convolution, and linear layers).

  • #772: Allow specifying gdx and python files as an option in ‘gamspy mps2gms’ command. Add ‘–compress’ option to ‘gamspy mps2gms’.

Bug fixes#

  • #777: Fix model attribute updates for frozen models.

Improved documentation#

  • #764: Sync tabs in embed neural networks docs.

  • #771: Add a FAQ entry about running model instances in MPS or LP format.

Dependencies#

  • #774: Upgrade gamspy_base and gamsapi dependency ranges.

Miscellaneous internal changes#

  • #768: Use pytest’s tmp_path for tests instead of creating temp directories manually.