What's Changed tpe: rename sub_elements tensor_product_components by @ksagiyam in https://github.com/firedrakeproject/fiat/pull/148 Proposal: use upstream UFL instead of the Firedrake fork by @connorjward in https://github.com/firedrakeproject/fiat/pull/147 DO NOT SQUASH Merge release by @connorjward in https://github.com/firedrakeproject/fiat/pull/160 Remove functional.index_iterator by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/157 Lazy basis_tabulation by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/162 GEM: improve style by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/164 TensorProductCell: fix is_macrocell() method by @ksagiyam in https://github.com/firedrakeproject/fiat/pull/170 DO NOT SQUASH merge release by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/173 DO NOT SQUASH merge release into main by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/178 Spectral KMV by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/177 Unimplemented DualSet for TrimmedSerendipity by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/182 Use petsctools for citations by @connorjward in https://github.com/firedrakeproject/fiat/pull/180 DO NOT SQUASH Merge main by @connorjward in https://github.com/firedrakeproject/fiat/pull/188 Tidy up workflows by @connorjward in https://github.com/firedrakeproject/fiat/pull/189 DO NOT SQUASH Merge release by @connorjward in https://github.com/firedrakeproject/fiat/pull/191 RestrictedElement: support restriction_domain=ridge by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/193 Support ufl_element.quad_scheme by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/186 Cleanup KMV quadratures by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/194 COFFEE: optimise find_optimal_atomics by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/171 gem: disable making temporaries for VariableIndexs by @ksagiyam in https://github.com/firedrakeproject/fiat/pull/195 Adapt to UFL API changing methods to properties by @connorjward in https://github.com/firedrakeproject/fiat/pull/192 Ksagiyam/merge release into main by @ksagiyam in https://github.com/firedrakeproject/fiat/pull/196 Lumped mass quadrature scheme by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/197 Ksagiyam/introduce mixed map mixed cell by @ksagiyam in https://github.com/firedrakeproject/fiat/pull/183 BUG: fix KMV embedded degree by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/199 overload BrokenElement.new to nest Broken-ness below Vector/Tensor/Mixed-ness by @JHopeCollins in https://github.com/firedrakeproject/fiat/pull/201 RestrictedElement: nest inside MixedElement by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/202 DO NOT SQUASH: merge release to main by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/204 Fix quadrature docstrings by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/205 QuadratureElement: construct directly from a QuadratureRule by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/187 Walkington C1 macroelement by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/155 Move MacroPolynomialSet to subclass to prevent infinite recursion errors by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/206 Wu-Xu H3 non-conforming triangle by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/208 Refactor functionals by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/209 DualSet: BLAS3 optimization for IntegralMomentOfDerivative by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/210 C2 (macro)elements by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/212 Merge release into main (DO NOT SQUASH) by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/213 Use constant moments for BernardiRaugel and GuzmanNeilan by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/203 Introduce has_pointwise_dual_basis by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/200 Merge release to main (DO NOT SQUASH) by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/214 QuadratureElement: fix dimension check by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/215 PhysicallyMappedElement: dual_transformation for more generic elements by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/217 GEM: Simplify Indexed tensors by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/131 Fix extract_subelement_component by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/122 Unimplemented DualSet for BDMC by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/218 High order BDFM by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/181 Merge release to main [DO NOT SQUASH] by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/219 Optimise find_optimal_atomics by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/221 Optimise atomics for sum factorisation by @connorjward in https://github.com/firedrakeproject/fiat/pull/223 Fix docstrings by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/225 MTW tetrahedron by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/220 Restrict PhysicallyMappedElement by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/226 GEM: Optimise index replacement by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/227 Clean up WuXuH3NCSpace by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/228 NodalEnrichment with mismatching ExpansionSets by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/229 Gem tabulation by @pbrubeck in https://github.com/firedrakeproject/fiat/pull/172 Handle Real elements analogously to DG for tensor product cells by @connorjward in https://github.com/firedrakeproject/fiat/pull/233 Revert "Handle Real elements analogously to DG for tensor product cells" by @connorjward in https://github.com/firedrakeproject/fiat/pull/236 Handle Real elements analogously to DG for tensor product cells by @connorjward in https://github.com/firedrakeproject/fiat/pull/237 Various repo cleanups by @connorjward in https://github.com/firedrakeproject/fiat/pull/234 DO NOT SQUASH merge main by @connorjward in https://github.com/firedrakeproject/fiat/pull/241 New Contributors @JHopeCollins made their first contribution in https://github.com/firedrakeproject/fiat/pull/201 Full Changelog: https://github.com/firedrakeproject/fiat/compare/2025.4.2...2026.4.0