Issues

• Unpin Python version for macOS in firedrake-configure once VTK release a wheel

  firedrakeproject/firedrake#5527 · Filter by author connorjward opened on Oct 14, 2026

• pyop3: MIN_WRITE/MAX_WRITE kernel calls and max/min assignments in loops fail

  bugpyop3
  firedrakeproject/firedrake#5524 · Filter by author pbrubeck opened on Oct 14, 2026

• BUG: interpolating from a Submesh onto its parent zeroes interface dofs in parallel

  bugdifficult
  firedrakeproject/firedrake#5520 · Filter by author moaadkhamlich-corintis opened on Oct 13, 2026
  2

• BUG: creating submesh from a periodic mesh fails

  bug
  firedrakeproject/firedrake#5518 · Filter by author JaroslavHron opened on Oct 13, 2026

• Deprecate some locate_cell_... functionality

  firedrakeproject/firedrake#5512 · Filter by author leo-collins opened on Oct 7, 2026
  

• Does PCDPC actually implement DCP rather than PCD??

  bugstraightforward
  firedrakeproject/firedrake#5486 · Filter by author JHopeCollins opened on Sep 24, 2026

• BUG: Real space WRITE access (interpolate) fails if some ranks are empty

  bug
  firedrakeproject/firedrake#5485 · Filter by author connorjward opened on Sep 24, 2026
  

• mark_entities does not refresh the cached unique_markers of facet sets

  firedrakeproject/firedrake#5482 · Filter by author pbrubeck opened on Sep 23, 2026
  

• BUG: Real Space Forms are sometimes assembled incorrectly

  bug
  firedrakeproject/firedrake#5480 · Filter by author ABaierReinio opened on Sep 23, 2026
  1

  

• interpolation inside a system matrix doesn't work

  firedrakeproject/firedrake#5477 · Filter by author danshapero opened on Sep 21, 2026

• BUG: Interpolating an expression whose Constant vanishes under differentiation fails an assertion in PyOP2

  firedrakeproject/firedrake#5468 · Filter by author TrueCP6 opened on Sep 19, 2026

• assemble ignores keyword arguments for 0-forms and 1-forms

  firedrakeproject/firedrake#5435 · Filter by author pbrubeck opened on Sep 7, 2026

• Add interior facet labeling to matplotlib

  firedrakeproject/firedrake#5409 · Filter by author connorjward opened on Aug 28, 2026
  

• Remove islpy constraint when possible

  bug
  firedrakeproject/firedrake#5398 · Filter by author connorjward opened on Aug 27, 2026

• BUG: Horizontal R space on tensor product element is not globally constant

  bug
  firedrakeproject/firedrake#5394 · Filter by author ThighamOxford opened on Aug 27, 2026
  4

• BUG: Loading a Gmsh mesh with a $Periodic section hangs or aborts under MPI, depending on the rank count (works on 1–2, hangs on 3–5, MPI_ERR_BUFFER on 6)

  bug
  firedrakeproject/firedrake#5371 · Filter by author Itzaak opened on Aug 22, 2026
  1

• CI on main is failing

  bug
  firedrakeproject/firedrake#5367 · Filter by author connorjward opened on Aug 20, 2026
  

• Submesh does not preserve the mesh order

  firedrakeproject/firedrake#5361 · Filter by author JaroslavHron opened on Aug 18, 2026

• GenEO preconditioner in Firedrake

  enhancement
  firedrakeproject/firedrake#5350 · Filter by author haldaas opened on Aug 13, 2026

• adjoint_utils: Python loops over dof data bump dat_version once per dof

  firedrakeproject/firedrake#5342 · Filter by author pbrubeck opened on Aug 11, 2026
  2

• MUMPS ICNTL(14)=200 in the default direct solver parameters never reaches MUMPS

  firedrakeproject/firedrake#5311 · Filter by author lrtfm opened on Aug 2, 2026

• firedrake-configure on macOS does not use homebrew HDF5

  installation
  firedrakeproject/firedrake#5300 · Filter by author connorjward opened on Jul 30, 2026

• TransferManager within nested subsolvers

  enhancement
  firedrakeproject/firedrake#5283 · Filter by author pbrubeck opened on Jul 28, 2026
  1

• Native high-order DMPlex coordinates in Firedrake via PetscFE

  enhancement
  firedrakeproject/firedrake#5278 · Filter by author pbrubeck opened on Jul 27, 2026

• BUG: no way to query non-empty boundary segments without generating warnings

  bug
  firedrakeproject/firedrake#5275 · Filter by author stephankramer opened on Jul 23, 2026