Issues

• FindOrFetch* modules fall back to a source build silently when a system package is found but too old

  ValeevGroup/SeQuant#693 · Filter by author evaleev opened on Oct 15, 2026

• utilities: external_interface and cost_analysis cannot select DenseTimeSpace{,Batched}

  ValeevGroup/SeQuant#683 · Filter by author evaleev opened on Oct 10, 2026

• General Symmetry Handling

  ValeevGroup/SeQuant#681 · Filter by author Krzmbrzl opened on Oct 9, 2026

• Vacuum per particle species in IndexSpaceRegistry; retire the Statistics-keyed default contexts

  ValeevGroup/SeQuant#672 · Filter by author evaleev opened on Oct 8, 2026

• Bra-ket-symmetric tensor without column symmetry has two canonical orientations

  ValeevGroup/SeQuant#668 · Filter by author evaleev opened on Oct 7, 2026

• Re-audit skip_input_canonicalization in WickTheorem callers once canonical marks exist

  ValeevGroup/SeQuant#654 · Filter by author evaleev opened on Oct 2, 2026

• WickTheorem input canonicalization ignores set_external_indices

  ValeevGroup/SeQuant#653 · Filter by author evaleev opened on Oct 2, 2026

• Operator/NormalOperatorSequence can be mutated through the inherited vector API without invalidating hash or canonical mark

  ValeevGroup/SeQuant#650 · Filter by author evaleev opened on Oct 2, 2026

• CanonicalizeOptions::operator== compares only method

  ValeevGroup/SeQuant#649 · Filter by author evaleev opened on Oct 2, 2026

• simplify(x - x) is not 0 when a NormalOperator uses one index as creator and annihilator

  ValeevGroup/SeQuant#648 · Filter by author evaleev opened on Oct 2, 2026

• Standardize identifier naming and document conventions

  docsmaintenance
  ValeevGroup/SeQuant#637 · Filter by author ajay-mk opened on Sep 28, 2026 · 27.0
  3

  

• Extend AsyCost to support tensor-of-tensor

  feature
  ValeevGroup/SeQuant#636 · Filter by author ajay-mk opened on Sep 28, 2026 · 27.0

• Broken hidden test cases

  bugtests
  ValeevGroup/SeQuant#622 · Filter by author Krzmbrzl opened on Sep 21, 2026
  1

• Possibility to reuse identified CSE tensors

  feature
  ValeevGroup/SeQuant#563 · Filter by author Krzmbrzl opened on Jun 24, 2026
  2

• Symbolic processing of nested expressions

  feature
  ValeevGroup/SeQuant#562 · Filter by author Krzmbrzl opened on Jun 24, 2026

• Factoring of user-provided expressions/intermediates

  feature
  ValeevGroup/SeQuant#561 · Filter by author Krzmbrzl opened on Jun 24, 2026
  1

• Symbolic differentiation

  feature
  ValeevGroup/SeQuant#560 · Filter by author Krzmbrzl opened on Jun 24, 2026

• Auto-generate Python bindings

  ValeevGroup/SeQuant#437 · Filter by author Krzmbrzl opened on Nov 28, 2025
  4

• closed-shell spintrace: external index group specification overly restrictive

  ValeevGroup/SeQuant#435 · Filter by author evaleev opened on Nov 26, 2025
  

• get_unique_indices not suitable for getting ToT intermediate indices

  ValeevGroup/SeQuant#361 · Filter by author Krzmbrzl opened on Aug 18, 2025
  2

• Canonicalization of nested products fails

  bug
  ValeevGroup/SeQuant#287 · Filter by author Krzmbrzl opened on Mar 28, 2025

• New expression parse syntax

  ValeevGroup/SeQuant#280 · Filter by author Krzmbrzl opened on Mar 24, 2025
  12

• open-shell spin tracing for R>=4

  ValeevGroup/SeQuant#248 · Filter by author evaleev opened on Feb 1, 2025
  

• ToDo: GEMM permutation optimizer is turned off.

  ValeevGroup/SeQuant#189 · Filter by author bimalgaudel opened on Apr 5, 2024

• More efficient graph canonization

  enhancement
  ValeevGroup/SeQuant#181 · Filter by author Krzmbrzl opened on Feb 12, 2024