January 2026

The release notes for the upcoming release are:

New features

• Elements

• Initial conditions:

  • Fluctuating fields with multiple correlation lengths

• Loads:

  • Renamed all springs to spring-ground-*
  • Added springs acting in global x-, y-, z-directions for beam elements and 3D elements

• Constitutive models

  • Hardening Soil: The Hardening Soil model with Matsuoka-Nakai failure surface with benchmarks given in the Benchmark Manual.

General modifications

• Stress and Strain output are now requested via stress and strain, respectively. The old keywords S and E are deprecated (backward compatibility is maintained).

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Resolved bugs

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Manuals

• Benchmark Manual

  • Hardening Soil with Matsuoka-Nakai failure surface

• Theory Manual

  • Hardening Soil with Matsuoka-Nakai failure surface