# News

- 26.03.2026 Version 2026.1 released (axisymmetric linear elasticity example, Saint Venant-Kirchhoff hyperelastic term, improved generalized Yeoh term, rigid twist linear combination boundary conditions + example, sparse arrays are used instead of sparse matrices, new mesh creation and manipulation utilities, etc.), see release notes.

- 29.12.2025 Version 2025.4 released (Python 2 code clean up, improved vector field visualizations in sfepy-view, etc.), see release notes.

- 29.09.2025 Version 2025.3 released (efficient region-only connectivity updates, fixed Field.set_dofs() for nonzero arrays, etc.), see release notes.

- 26.06.2025 Version 2025.2 released (NumPy 2.0 compatibility, line search variants of the Newton solver for nonlinear problems, new large deformation exponential fibres term with smooth response, etc.), see release notes.

- 26.03.2025 Version 2025.1 released (improved block preconditioning support in PETSc-based linear solvers, user functions for assembling and linear system scaling, pypardiso based linear solver, general hyperelastic term for the UL formulation, speed-up of sparse matrix graph allocation and assembling of matrices with many nonzeros in a row, etc.), see release notes.

For historians: see Archived News.