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chore: bump to NeqSim 3.27.0 - #363

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EvenSol merged 2 commits into
equinor:masterfrom
dupuypablo:bump-neqsim-3.27.0
Oct 31, 2026
Merged

EvenSol merged 2 commits into
equinor:masterfrom
dupuypablo:bump-neqsim-3.27.0

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@dupuypablo

@dupuypablo dupuypablo commented Oct 31, 2026 •

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NeqSim 3.27.0 was released on 2026-10-31 (https://github.com/equinor/neqsim/releases/tag/v3.27.0); PyPI still has 3.26.0. Same file set as the 3.26.0 bump (#360).

  • src/neqsim/lib/neqsim-3.27.0.jar replaces 3.26.0. It is the release asset, SHA-256 99abe878ff58bd90d6ad3242b2d0cdb6808d1300efbf2226c6a91eef4e2265a1 (matches the GitHub asset digest and .github/neqsim-engine.sha256).
  • Version set to 3.27.0 in pyproject.toml, uv.lock, environment.yml and conda/meta.yaml (conda sha256 is updated after the PyPI sdist exists).
  • src/neqsim/data/neqsim_api.json.gz regenerated (2582 classes); component_names.py unchanged (187 components).
  • docs/release-notes/v3.27.0.md added.
  • tests/test_NeqSim.py: the expected SRK methane/water gas enthalpy is updated from 1079.8561270889 to 1079.7110727588 J. Composition and Z are identical on 3.26.0 and 3.27.0; the change comes from neqsim#4568 (Component.getCpD() no longer adds 1e-10), which shifts ideal-gas Cp slightly. Viscosity is unchanged.

Local run: 56 passed. Java stubs (src/jneqsim-stubs) are not regenerated here; the generate-stubs workflow does that on a branch push in this repo.

3.27.0 contains the fix for equinor/neqsim#4718 (chart-mode compressors now use the selected polytropic method).

dupuypablo and others added 2 commits October 31, 2026 13:48
Bundles neqsim-3.27.0.jar from https://github.com/equinor/neqsim/releases/tag/v3.27.0
(SHA-256 99abe878ff58bd90d6ad3242b2d0cdb6808d1300efbf2226c6a91eef4e2265a1, equal to the
release asset's digest). Same files as the 3.26.0 bump (equinor#360); the Java stubs and API
manifest are left for the generate-stubs workflow.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
@EvenSol
EvenSol merged commit 528b8dc into equinor:master Oct 31, 2026
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