firedrakeproject/firedrake: 2026.10.0

What's Changed

• move PointNotInDomainError by @leo-collins in https://github.com/firedrakeproject/firedrake/pull/5041
• ASMStar: enable patch coloring by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/4912
• Use firedrake-rtree for spatial indexing by @leo-collins in https://github.com/firedrakeproject/firedrake/pull/4981
• New plotting methods for VertexOnlyMesh by @achanbour in https://github.com/firedrakeproject/firedrake/pull/5039
• Use mat context for Vom onto vom matfree interpolation by @leo-collins in https://github.com/firedrakeproject/firedrake/pull/5055
• Merge release into main by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5056
• Assembly of matfree interpolation operator by @leo-collins in https://github.com/firedrakeproject/firedrake/pull/4778
• Refactor PCPatch code to not use PyOP2 by @connorjward in https://github.com/firedrakeproject/firedrake/pull/4993
• GPU offloading preconditioner by @dsroberts in https://github.com/firedrakeproject/firedrake/pull/4953
• Improve building compiled extensions using Makefile by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5059
• DO NOT SQUASH merge release by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5069
• DO NOT SQUASH merge release into main by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5080
• Keep a consistent labeling of boundaries for 2D periodic meshes by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5005
• Adjoint + submesh by @KarsKnook in https://github.com/firedrakeproject/firedrake/pull/5081
• DO NOT SQUASH merge release by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5115
• Don't tee the cat by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5129
• DO NOT SQUASH Connorjward/merge release by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5134
• Specify shell for GPU usage confirmation step by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5135
• Remove add, sub magic methods from matrix by @leo-collins in https://github.com/firedrakeproject/firedrake/pull/5145
• Drop support for python 3.10 by @francesco-ballarin in https://github.com/firedrakeproject/firedrake/pull/5173
• DO NOT SQUASH Merge release into main by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5178
• Remove (very) deprecated Matrix.assemble by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5143
• Fix for ufl2unicode rewrite by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5058
• Interpolation into EnrichedElement by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5184
• Prevent Cython 3.2.6 from being installed in build by @indiamai in https://github.com/firedrakeproject/firedrake/pull/5208
• cache visible_ranks on topology by @leo-collins in https://github.com/firedrakeproject/firedrake/pull/5183
• Add AMD compatibility for OffloadPC by @dsroberts in https://github.com/firedrakeproject/firedrake/pull/5220
• DO NOT SQUASH merge release by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5221
• (DO NOT SQUASH) Merge release into main by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5234
• Revert "Prevent Cython 3.2.6 from being installed in build" by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5216
• Fix Jp + multigrid by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5189
• Fix solver options for Real space by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5144
• DumbCheckpoint renew warning by @Ig-dolci in https://github.com/firedrakeproject/firedrake/pull/5228
• Cache mesh bounding boxes correctly by @leo-collins in https://github.com/firedrakeproject/firedrake/pull/5180
• Fix location of community arch by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5261
• Remove old PyOP2 documentation by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5262
• dmcommon: de-Python-ify mesh-topology construction (~4x faster BoxMesh build) by @miguelcoolchips in https://github.com/firedrakeproject/firedrake/pull/5231
• Write VOM data to VTKFile by @achanbour in https://github.com/firedrakeproject/firedrake/pull/5244
• (DON't SQUASH) Leo/merge release by @leo-collins in https://github.com/firedrakeproject/firedrake/pull/5272
• Don't import interpolate from future by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5269
• Add support for objective function in SNES by @stefanozampini in https://github.com/firedrakeproject/firedrake/pull/5155
• Adaptive NonlinearVariationalSolver support via -snes_adapt_sequence by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5213
• (DON'T SQUASH) Leo/merge release by @leo-collins in https://github.com/firedrakeproject/firedrake/pull/5284
• DO NOT SQUASH Merge release into main by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5293
• Access DMSwarm fields via a context manager by @leo-collins in https://github.com/firedrakeproject/firedrake/pull/5296
• rtree bulk query by @leo-collins in https://github.com/firedrakeproject/firedrake/pull/5247
• Connorjward/merge release by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5302
• Mesh Adaptivity via DMPlexTransform by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5215
• Leo/merge release by @leo-collins in https://github.com/firedrakeproject/firedrake/pull/5314
• Leo/deprecate clear rtree by @leo-collins in https://github.com/firedrakeproject/firedrake/pull/5315
• fix rpaths for macos by @leo-collins in https://github.com/firedrakeproject/firedrake/pull/5301
• Remove dead code by @achanbour in https://github.com/firedrakeproject/firedrake/pull/5320
• Fix coarse-to-fine cell maps for hierarchies built on an adaptively refined mesh by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5321
• interpolator init cleanup by @leo-collins in https://github.com/firedrakeproject/firedrake/pull/5319
• Fix quadratic cost in adaptive mesh refinement's coarse/fine cell-map construction by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5326
• Rework PMGBase.coarsen() and add NonlinearVariationalProblem.rediscretise() by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5324
• Fix broken test with exact comparisons by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5353
• Contract quadrature reductions in loop nest order by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5354
• tsfc: cancel Jacobian products and reciprocal factors by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5230
• Test interpolation of products of coefficient evaluations by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5360
• Make serial submesh construction linear in the number of points by @haldaas in https://github.com/firedrakeproject/firedrake/pull/5349
• Lint cython code by @stefanozampini in https://github.com/firedrakeproject/firedrake/pull/5363
• DO NOT SQUASH Connorjward/merge release by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5364
• Fix cython linting by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5366
• Minor updates to OffloadPC by @dsroberts in https://github.com/firedrakeproject/firedrake/pull/5164
• tinyasm: avoid copying the block dofmap in BlockJacobi::solve() by @manishpaulish in https://github.com/firedrakeproject/firedrake/pull/5348
• DO NOT SQUASH merge release by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5382
• Check that equivalent cells compile a form the same way by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5375
• Fix complex CI by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5385
• Compile interpolation through the GEM optimisation pipeline by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5381
• Use correct dtype during PCPatch codegen by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5395
• DO NOT SQUASH Merge release by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5404
• Unified cache under sys.prefix by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5400
• Remove backwards compat tests for variable layer extrusion by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5418
• Skip failing base form coarsening test by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5420
• Test multigrid coarsening of an appctx coefficient by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5436
• autoregressive covariance operator: fix scaling for dim>1 by @JHopeCollins in https://github.com/firedrakeproject/firedrake/pull/5358
• p-multigrid: remove custom interpolation code by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5289
• Leo/merge release by @leo-collins in https://github.com/firedrakeproject/firedrake/pull/5443
• Replace :: with codeblocks in demos by @nwng04 in https://github.com/firedrakeproject/firedrake/pull/5414
• Let PCASM refresh its own submatrices by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5403
• Drop the MatIS special case in FunctionSpace.local_to_global_map by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5437
• Make the Stokes multigrid appctx test deterministic by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5453
• Extruded Periodic MeshHierarchy by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/4663
• Stop DG injection reading past a coarse cell's children by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5337
• Fix NumPy 2.5 deprecation warning in pyop2.utils.verify_reshape by @TrueCP6 in https://github.com/firedrakeproject/firedrake/pull/5459
• DO NOT SQUASH merge release into main by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5457
• fix petsc4py breaking changes by @leo-collins in https://github.com/firedrakeproject/firedrake/pull/5463
• MeshHierarchy: assemble prolongation into MatAIJ by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5206
• more petsc4py fixes by @leo-collins in https://github.com/firedrakeproject/firedrake/pull/5464
• Support physical_normals on manifolds by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/4994
• DO NOT SQUASH Merge release by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5466
• Offload Nullspaces with OffloadPC by @dsroberts in https://github.com/firedrakeproject/firedrake/pull/5462
• Add complex Slate support by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5470
• fix assertion in vom test by @leo-collins in https://github.com/firedrakeproject/firedrake/pull/5473
• Make SLATE subclass BaseForm by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/4093
• Multigrid: derive hierarchy maps from DMPlex transforms by @pbrubeck in https://github.com/firedrakeproject/firedrake/pull/5460
• Enable SingleMemoryStorageSchedule in test_checkpointing_validity by @sghelichkhani in https://github.com/firedrakeproject/firedrake/pull/5455
• make the ensemble diagram not be square by @dham in https://github.com/firedrakeproject/firedrake/pull/5495
• DO NOT SQUASH Merge main into release by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5494
• Set UFL and FIAT versions by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5499
• Update slepc4py install instructions by @connorjward in https://github.com/firedrakeproject/firedrake/pull/5500
• Regression tests for SingleMemoryStorageSchedule checkpoint clearing by @sghelichkhani in https://github.com/firedrakeproject/firedrake/pull/5454

New Contributors

• @haldaas made their first contribution in https://github.com/firedrakeproject/firedrake/pull/5349
• @manishpaulish made their first contribution in https://github.com/firedrakeproject/firedrake/pull/5348
• @nwng04 made their first contribution in https://github.com/firedrakeproject/firedrake/pull/5414
• @TrueCP6 made their first contribution in https://github.com/firedrakeproject/firedrake/pull/5459

Full Changelog: https://github.com/firedrakeproject/firedrake/compare/2026.4.3...2026.10.0