Issues

• [Bug] Flaky test_prepare_gaussian_state due to missing qubit_order in final_state_vector

  kind/bug-report
  quantumlib/OpenFermion#1454 · Filter by author anishbhujbal7 opened on Sep 15, 2026
  1

• Regularly update Conda forge distributions of OpenFermion

  area/devopshelp wantedno QC knowledge needed
  Task

  quantumlib/OpenFermion#1429 · Filter by author mhucka opened on Jul 18, 2026

• Switch to Pyrefly for type checking instead of mypy

  area/healtharea/python
  Feature request

  quantumlib/OpenFermion#1399 · Filter by author mhucka opened on Jul 6, 2026
  6

  

• Add a CODEOWNERS file

  area/devops
  Feature request

  quantumlib/OpenFermion#1337 · Filter by author mhucka opened on Jun 4, 2026
  3

  

• Define how the OpenFermion project uses labels on GitHub issue & PRs

  area/docs
  Feature request

  quantumlib/OpenFermion#1336 · Filter by author mhucka opened on Jun 4, 2026
  2

• Add workflow to run create-env-files.sh when Dependabot changes dependencies

  area/devops
  Feature request

  quantumlib/OpenFermion#1332 · Filter by author mhucka opened on Jun 3, 2026
  4

  

• Remove global random seed used for testing

  area/performancearea/pythonhelp wantedno QC knowledge needed
  Feature request

  quantumlib/OpenFermion#1060 · Filter by author mhucka opened on Jun 2, 2025
  3

• Are there any plans to support symbolic coefficients for QubitOperator?

  area/functionalitystatus/awaiting-response
  Question

  quantumlib/OpenFermion#1053 · Filter by author andrewprojansky opened on May 29, 2025
  8

  

• Hubbard model notebook is flaky

  area/healtharea/testshelp wanted
  Bug report

  quantumlib/OpenFermion#870 · Filter by author fdmalone opened on Feb 21, 2024
  9

  

• Allowing more flexible parametrization of the cost estimate functions

  area/functionality
  Feature request

  quantumlib/OpenFermion#768 · Filter by author PabloAMC opened on Feb 6, 2022
  1

• Orbital optimization

  area/functionalityhelp wanted
  Feature request

  quantumlib/OpenFermion#711 · Filter by author ncrubin opened on Feb 23, 2021

• Spin models on a honeycomb lattice

  area/functionalityhelp wanted
  Feature request

  quantumlib/OpenFermion#665 · Filter by author joel-hutchinson opened on Sep 21, 2020
  2

• Including gausslets as a basis option

  area/functionalityhelp wantedlarge project
  Feature request

  quantumlib/OpenFermion#659 · Filter by author PabloAMC opened on Sep 3, 2020
  1

• Parallelization of Jordan-Wigner transformation

  area/performancehelp wanted
  Feature request

  quantumlib/OpenFermion#587 · Filter by author Emieeel opened on Apr 18, 2020
  2

• Product of FermionOperator and BosonOperator

  area/functionalityhelp wanted
  Feature request

  quantumlib/OpenFermion#511 · Filter by author jrstryker opened on Apr 7, 2019
  1

• Replace parity=±1 flag with bosonic=True/False flag

  area/health
  Feature request

  quantumlib/OpenFermion#453 · Filter by author kevinsung opened on Sep 13, 2018
  7

• Proper Coulomb operators in two-dimensions

  area/functionalityhelp wanted
  Feature request

  quantumlib/OpenFermion#382 · Filter by author babbush opened on Jul 3, 2018
  12

• Implement method for non-periodic plane wave Hamiltonians

  good first issuehelp wanted
  Feature request

  quantumlib/OpenFermion#346 · Filter by author babbush opened on May 23, 2018
  1

• Change default data location to current working directory

  good first issuehelp wantedno QC knowledge needed
  Feature request

  quantumlib/OpenFermion#270 · Filter by author jarrodmcc opened on Mar 21, 2018
  6

• Basis downfolding

  area/functionalityhelp wanted
  Feature request

  quantumlib/OpenFermion#244 · Filter by author babbush opened on Mar 7, 2018

• Perturbative gadgets

  help wanted
  Feature request

  quantumlib/OpenFermion#220 · Filter by author babbush opened on Feb 26, 2018
  1

• Impurity models and embedding schemes

  help wantedlarge project
  Feature request

  quantumlib/OpenFermion#155 · Filter by author babbush opened on Jan 9, 2018
  6