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is_native_neutral_atom_gate crashes with TypeError when checking unhashable gates

kind/bug-reportSomething doesn't seem to work.Something doesn't seem to work.

triage/discussNeeds decision / discussion, bring these up during Cirq CynqueNeeds decision / discussion, bring these up during Cirq Cynque

Status: Open.

#7941 In quantumlib/Cirq;

· zczhong149-art opened on Mar 9, 2026

Discussion: Modeling external GW-induced noise floors in superconducting qubits

triage/discussNeeds decision / discussion, bring these up during Cirq CynqueNeeds decision / discussion, bring these up during Cirq Cynque

Status: Open.

#7940 In quantumlib/Cirq;

· karelpichler-lang opened on Mar 8, 2026

Docstring mismatch: two_qubit_matrix_to_diagonal_and_cz_operations returns (D, ops) but documentation says (ops, D)

kind/bug-reportSomething doesn't seem to work.Something doesn't seem to work.

triage/discussNeeds decision / discussion, bring these up during Cirq CynqueNeeds decision / discussion, bring these up during Cirq Cynque

Status: Open.

#7939 In quantumlib/Cirq;

· zczhong149-art opened on Mar 8, 2026

AttributeError: 'SingleQubitPauliStringGateOperation' object has no attribute 'pauli_string' in move_pauli_strings_into_circuit

kind/bug-reportSomething doesn't seem to work.Something doesn't seem to work.

triage/discussNeeds decision / discussion, bring these up during Cirq CynqueNeeds decision / discussion, bring these up during Cirq Cynque

Status: Open.

#7934 In quantumlib/Cirq;

· huhu37 opened on Mar 5, 2026

Support "input" modifier in QASM3 parser

area/qasm

kind/feature-requestDescribes new functionalityDescribes new functionality

triage/discussNeeds decision / discussion, bring these up during Cirq CynqueNeeds decision / discussion, bring these up during Cirq Cynque

Status: Open.

#7933 In quantumlib/Cirq;

· pavoljuhas opened on Mar 4, 2026

We should clarify how contributors can use AI tools

triage/acceptedA consensus emerged that this bug report, feature request, or other action should be worked onA consensus emerged that this bug report, feature request, or other action should be worked on

Status: Open.

#7932 In quantumlib/Cirq;

· mhucka opened on Mar 4, 2026

Faster Circuit.zip and Circuit.append

area/circuits

area/performance

kind/feature-requestDescribes new functionalityDescribes new functionality

triage/discussNeeds decision / discussion, bring these up during Cirq CynqueNeeds decision / discussion, bring these up during Cirq Cynque

Status: Open.

#7901 In quantumlib/Cirq;

· NoureldinYosri opened on Feb 18, 2026

Investigate support for SymEngine as an alternative to SymPy

kind/feature-requestDescribes new functionalityDescribes new functionality

triage/discussNeeds decision / discussion, bring these up during Cirq CynqueNeeds decision / discussion, bring these up during Cirq Cynque

Status: Open.

#7900 In quantumlib/Cirq;

· mhucka opened on Feb 18, 2026

cirq.RouterCQC is not respecting the connectivity graph when routing a circuit

kind/bug-reportSomething doesn't seem to work.Something doesn't seem to work.

triage/discussNeeds decision / discussion, bring these up during Cirq CynqueNeeds decision / discussion, bring these up during Cirq Cynque

Status: Open.

#7892 In quantumlib/Cirq;

· alejogoogle opened on Feb 12, 2026

stimcirq requirement introduces circular dependency

kind/healthFor CI/testing/release process/refactoring/technical debt itemsFor CI/testing/release process/refactoring/technical debt items

triage/acceptedA consensus emerged that this bug report, feature request, or other action should be worked onA consensus emerged that this bug report, feature request, or other action should be worked on

Status: Open.

#7891 In quantumlib/Cirq;

· pavoljuhas opened on Feb 12, 2026

Support parsing QASM gphase gates

kind/feature-requestDescribes new functionalityDescribes new functionality

triage/acceptedA consensus emerged that this bug report, feature request, or other action should be worked onA consensus emerged that this bug report, feature request, or other action should be worked on

Status: Open.

#7860 In quantumlib/Cirq;

· natestemen opened on Jan 28, 2026

EngineProcessor tests are flaky because of datetime.datetime.now() calls

help wantedContributors welcomeContributors welcome

kind/healthFor CI/testing/release process/refactoring/technical debt itemsFor CI/testing/release process/refactoring/technical debt items

no QC knowledge neededWant to contribute to Cirq, but don't know quantum computing? This issue is for you.Want to contribute to Cirq, but don't know quantum computing? This issue is for you.

triage/acceptedA consensus emerged that this bug report, feature request, or other action should be worked onA consensus emerged that this bug report, feature request, or other action should be worked on

Status: Open.

#7851 In quantumlib/Cirq;

· maffoo opened on Jan 22, 2026