🌟 MFEM 4.5 Released

[tzanio]

Dear MFEM community,

Version 4.5 of MFEM was released on October 22, 2022. Some of the new additions in this release are:

• MFEM Docker container and cloud support.

• New and improved support for Enzyme, Algoim, ParMoonolith, hypre, SuperLU, SUNDIALS, PETSc and libCEED.

• SubMesh and ParSubMesh classes that can be used to extract a subset of a given Mesh.

• New kernels for fast GPU inversion of DG mass matrices.

• Full assembly and device support for LinearForm integrators.

• New miniapp, Hooke, showcasing automatic differentiation for a nonlinear elasticity problem.

• Efficient low-order-refined (LOR) matrix assembly.

• Partial assembly and matrix-free operators on mixed meshes through libCEED.

• More 3D TMOP metrics, including support for mesh untangling and worst-case quality improvement.

• Additional flexibility in the ConstrainedSolver classes.

• New fractional PDE example.

To download, and for more information visit http://mfem.org.

We welcome any and all feedback at https://github.com/mfem/mfem/issues.