News ==== * **29.12.2023** Version 2023.4 released (new structural elements (linear spring, linear truss), spectral element method (LGL quadrature and nodes with Lagrange basis), initial support for meshes with elements of different topological dimensions, new examples: 2D and 3D truss bridge, h-refinement eigenvalue convergence, beam consisting of hexa and tetra elements, many more examples included in gallery, etc.), see :ref:`release notes <2023.3-2023.4>`. * **29.09.2023** Version 2023.3 released (example demonstrating nonlinear diffusion and volume forces terms, new sensitivity term, proof-of-concept JAX-based auto-differentiable terms (elasticity, mass) + elastodynamics parameter identification example, etc.), see :ref:`release notes <2023.2-2023.3>`. * **29.06.2023** Version 2023.2 released (replace numpy.distutils by scikit-build (cmake), interface for the PRIMME eigenvalue problem solver, new declarative modal analysis example, new terms: nonlinear diffusion and nonlinear volume forces, etc.), see :ref:`release notes <2023.1-2023.2>`. * **29.03.2023** Version 2023.1 released (support meshes with cells of different topological dimensions, unified treatment of volume and surface integrals, updated elastodynamics solvers, reciprocal mass matrix algorithm, seismic load and piezo-elastodynamics examples, use GitHub Actions for CI, etc.), see :ref:`release notes <2022.4-2023.1>`. * **29.12.2022** Version 2022.4 released (new examples: transient heat equation with several material domains and scalar Helmholtz equation, adaptive time step control for elastodynamics solvers, central difference elastodynamics solver, etc.), see :ref:`release notes <2022.3-2022.4>`. For historians: see :ref:`archived_news`.