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Issues list

Consider adding pre-commit hooks kind/health For CI/testing/release process/refactoring/technical debt items triage/needs-more-evidence [Feature requests] Seems plausible, but maintainers are not convinced about the use cases yet
#7163 opened Mar 19, 2025 by mhucka
Importing Cirq on Colab fails due to Colab NumPy update kind/bug-report Something doesn't seem to work. priority/p0 Needs urgent attention and a hotfix release, breaks the majority of users triage/accepted A consensus emerged that this bug report, feature request, or other action should be worked on
#7162 opened Mar 19, 2025 by mhucka
2
Some operations involving the identity gate cause an error area/linear-operators area/paulis complexity/low introduces/modifies 1-2 concepts, should take 1-2 days max for an advanced contributor good first issue This issue can be resolved by someone who is not familiar with the codebase. A good starting issue. kind/bug-report Something doesn't seem to work. no QC knowledge needed Want to contribute to Cirq, but don't know quantum computing? This issue is for you. triage/accepted A consensus emerged that this bug report, feature request, or other action should be worked on
#7120 opened Mar 4, 2025 by lmarti-dev
2
Support more OpenQASM 2.0 gates from qelib1.inc area/qasm kind/feature-request Describes new functionality triage/accepted A consensus emerged that this bug report, feature request, or other action should be worked on
#7072 opened Feb 19, 2025 by pavoljuhas
1
protocols.is_parameterized(sympy.pi) currently returns True good first issue This issue can be resolved by someone who is not familiar with the codebase. A good starting issue. kind/bug-report Something doesn't seem to work. triage/discuss Needs decision / discussion, bring these up during Cirq Cynque triage/needs-more-evidence [Feature requests] Seems plausible, but maintainers are not convinced about the use cases yet
#7053 opened Feb 9, 2025 by daxfohl
7
EigenGate equality does not account for exponent when comparing global phase kind/bug-report Something doesn't seem to work. triage/discuss Needs decision / discussion, bring these up during Cirq Cynque
#7052 opened Feb 9, 2025 by daxfohl
2
Allow protocols to work on raw arrays good first issue This issue can be resolved by someone who is not familiar with the codebase. A good starting issue. good for learning For beginners in QC, this will help picking up some knowledge. Bit harder than "good first issues" kind/feature-request Describes new functionality triage/accepted A consensus emerged that this bug report, feature request, or other action should be worked on
#7050 opened Feb 8, 2025 by daxfohl
4
CODEOWNERS file contains errors & likely is out of date area/codeowners kind/health For CI/testing/release process/refactoring/technical debt items triage/accepted A consensus emerged that this bug report, feature request, or other action should be worked on
#7031 opened Feb 4, 2025 by mhucka 2025-T6: Code health and project maintenance
Update issue templates for Cirq repo kind/health For CI/testing/release process/refactoring/technical debt items kind/task A task that's part of a larger effort triage/accepted A consensus emerged that this bug report, feature request, or other action should be worked on
#6972 opened Jan 23, 2025 by mhucka 2025-T6: Code health and project maintenance
Replace pr_monitor with a GitHub Actions workflow. kind/health For CI/testing/release process/refactoring/technical debt items
#6935 opened Jan 9, 2025 by mhucka
Move apt-system-requirements.txt into apt-list-dev-tools.txt kind/health For CI/testing/release process/refactoring/technical debt items triage/discuss Needs decision / discussion, bring these up during Cirq Cynque
#6934 opened Jan 9, 2025 by mhucka
Intermittent TestStreamManager "job already exists" error on Windows kind/bug-report Something doesn't seem to work. triage/discuss Needs decision / discussion, bring these up during Cirq Cynque
#6933 opened Jan 9, 2025 by mhucka
1
installation fails on python 3.13 kind/bug-report Something doesn't seem to work. triage/accepted A consensus emerged that this bug report, feature request, or other action should be worked on
#6932 opened Jan 9, 2025 by richrines1
4
Update TypeScript dependencies for cirq-web area/dependencies area/typescript kind/health For CI/testing/release process/refactoring/technical debt items priority/p2 Next release should contain it triage/discuss Needs decision / discussion, bring these up during Cirq Cynque
#6863 opened Dec 19, 2024 by mhucka 2025-T6: Code health and project maintenance
Update type annotation of Linspace and Points kind/health For CI/testing/release process/refactoring/technical debt items no QC knowledge needed Want to contribute to Cirq, but don't know quantum computing? This issue is for you. status/rfc-needed This needs an RFC document. triage/accepted A consensus emerged that this bug report, feature request, or other action should be worked on triage/needs-feasibility [Feature requests] Needs design work to prove feasibility before accepting
#6830 opened Dec 10, 2024 by NoureldinYosri
No support for symbolic parameters for MatrixGate (U-gate) kind/feature-request Describes new functionality triage/needs-more-evidence [Feature requests] Seems plausible, but maintainers are not convinced about the use cases yet
#6810 opened Nov 30, 2024 by vili-1
5
spin_echoes.ipynb references a removed optimizer area/docs area/tutorials good for learning For beginners in QC, this will help picking up some knowledge. Bit harder than "good first issues" kind/health For CI/testing/release process/refactoring/technical debt items triage/accepted A consensus emerged that this bug report, feature request, or other action should be worked on
#6807 opened Nov 21, 2024 by pavoljuhas
1
Implement two qubit unitary to operations algorithm from https://arxiv.org/abs/quant-ph/0406176 good for learning For beginners in QC, this will help picking up some knowledge. Bit harder than "good first issues" kind/feature-request Describes new functionality triage/accepted A consensus emerged that this bug report, feature request, or other action should be worked on
#6777 opened Oct 17, 2024 by NoureldinYosri
4
Optimizer failure good first issue This issue can be resolved by someone who is not familiar with the codebase. A good starting issue. kind/bug-report Something doesn't seem to work. no QC knowledge needed Want to contribute to Cirq, but don't know quantum computing? This issue is for you. triage/accepted A consensus emerged that this bug report, feature request, or other action should be worked on
#6764 opened Oct 11, 2024 by glanzz
3
4
Regression in PyQuil CPHASE00 conversions kind/bug-report Something doesn't seem to work. triage/accepted A consensus emerged that this bug report, feature request, or other action should be worked on
#6714 opened Aug 29, 2024 by natestemen
Drop python 3.10 kind/health For CI/testing/release process/refactoring/technical debt items priority/p3 Should be done in the next 6 months triage/accepted A consensus emerged that this bug report, feature request, or other action should be worked on
#6648 opened Jun 18, 2024 by NoureldinYosri 2025-T6: Code health and project maintenance
2
PauliSum reorders the qubits, possibly in a non-deterministic way kind/bug-report Something doesn't seem to work. triage/accepted A consensus emerged that this bug report, feature request, or other action should be worked on
#6630 opened Jun 3, 2024 by burlemarxiste
3
Create a gate to represent a PauliRotation kind/feature-request Describes new functionality triage/accepted A consensus emerged that this bug report, feature request, or other action should be worked on unitaryhack
#6598 opened May 14, 2024 by NoureldinYosri
17
The default dtype of np.complex64 for the DensityMatrixSimulator is not precise enough for relatively small circuits. kind/bug-report Something doesn't seem to work. triage/accepted A consensus emerged that this bug report, feature request, or other action should be worked on
#6551 opened Apr 5, 2024 by bramathon
1
Update cirq.RANDOM_STATE_OR_SEED_LIKE to support np.random.Generator good first issue This issue can be resolved by someone who is not familiar with the codebase. A good starting issue. kind/feature-request Describes new functionality triage/accepted A consensus emerged that this bug report, feature request, or other action should be worked on
#6531 opened Mar 27, 2024 by NoureldinYosri 2025-T1: Performance improvements for large circuits
3
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