Issues

• Interpolate being both a BaseForm and Expression causes issues

  FEniCS/ufl#477 · Filter by author connorjward opened on Apr 13, 2026

• Documentation in manual is very outdated

  FEniCS/ufl#472 · Filter by author mscroggs opened on Mar 30, 2026

• Creating a FunctionSpace with a MixedElement without a MeshSequence

  FEniCS/ufl#464 · Filter by author pbrubeck opened on Feb 6, 2026
  1

• Differentiation of external operators via ufl.diff

  FEniCS/ufl#456 · Filter by author a-latyshev opened on Dec 17, 2025

• Add ufl.reference_grad

  FEniCS/ufl#450 · Filter by author mscroggs opened on Dec 8, 2025
  4

• High-order differentiation of forms with external operators

  FEniCS/ufl#449 · Filter by author a-latyshev opened on Nov 28, 2025
  3

• Why has the class FiniteElement been removed?

  question
  FEniCS/ufl#445 · Filter by author dr-robertk opened on Nov 13, 2025
  9

• Make tests use fenicsx-refs.yml

  FEniCS/ufl#432 · Filter by author jhale opened on Oct 20, 2025

• Building the documentation produces many warnings and some errors

  FEniCS/ufl#415 · Filter by author connorjward opened on Sep 4, 2025

• Edge case: fd.dx works but fd.par_loop fails when fd.dx subdomain_id is a single-element tuple

  FEniCS/ufl#411 · Filter by author anilbeycorintis opened on Aug 26, 2025
  2

• supporting built-in collections consistently in fd.dx()

  FEniCS/ufl#407 · Filter by author anilbeycorintis opened on Aug 18, 2025
  1

• call function treats empty-tuples and None and no-argument type differently

  FEniCS/ufl#405 · Filter by author anilbeycorintis opened on Aug 18, 2025
  13

• Empty form does not have arguments/arity

  FEniCS/ufl#396 · Filter by author jorgensd opened on Jul 16, 2025

• Adjoints of coarguments behave inconsistently

  FEniCS/ufl#395 · Filter by author dham opened on Jul 16, 2025
  

• Make https://pypi.org/project/UFL/ into an alias for fenics-ufl

  housekeepingproposal
  FEniCS/ufl#380 · Filter by author mscroggs opened on May 28, 2025
  

• Readthedocs needs a notice that it's outdated

  housekeepingproposal
  FEniCS/ufl#378 · Filter by author mscroggs opened on May 19, 2025
  1

  

• Actions and adjoints.

  FEniCS/ufl#301 · Filter by author ah3557 opened on Jul 23, 2024
  10

• Add information to element about traces on subentities

  enhancement
  FEniCS/ufl#298 · Filter by author mscroggs opened on Jul 4, 2024

• Add ufl_signature or _ufl_signature to all UFL objects

  enhancement
  FEniCS/ufl#296 · Filter by author mscroggs opened on Jul 1, 2024
  1

• Remove quadrature schemes from metadata

  FEniCS/ufl#294 · Filter by author jorgensd opened on Jun 13, 2024
  

• extract_domains does the wrong thing with interpolate.

  bug
  FEniCS/ufl#282 · Filter by author dham opened on Apr 30, 2024

• Add Numpy-like functions

  FEniCS/ufl#280 · Filter by author bleyerj opened on Apr 29, 2024
  1

• Replace multifunctions with class methods

  proposal
  FEniCS/ufl#273 · Filter by author mscroggs opened on Apr 22, 2024
  8

• Form should have a quadrature rule

  enhancement
  FEniCS/ufl#268 · Filter by author mscroggs opened on Apr 18, 2024

• ConstantValue and Parameter

  enhancement
  FEniCS/ufl#267 · Filter by author mscroggs opened on Apr 18, 2024
  4