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Issues list

Expression flattener sometimes creates different symbols for the same expression area/parameters parameter resolution, parameterized gates, operations 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. skill-level/advanced One or more of the areas need a solid understanding. triage/accepted A consensus emerged that this bug report, feature request, or other action should be worked on
#1997 opened Aug 21, 2019 by cduck
3
Handle codeowners approval not being met in Cirqbot area/cirqbot 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
#4023 opened Apr 14, 2021 by balopat
[XEB] random_quantum_circuit_generation assumes neighboring GridQubits are connected area/experiments area/xeb 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
#3342 opened Sep 18, 2020 by mpharrigan
4
print(moment) is confusing for crossing gates area/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
#3913 opened Mar 13, 2021 by tanujkhattar
4
mypy type check errors with default argument to cirq protocols. area/mypy area/protocols kind/bug-report Something doesn't seem to work. priority/p2 Next release should contain it triage/accepted A consensus emerged that this bug report, feature request, or other action should be worked on
#4992 opened Feb 14, 2022 by tanujkhattar
2 tasks
1
cirq_google.get_engine_device('rainbow') is missing connections in the device diagram area/google/device area/google 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
#4359 opened Jul 27, 2021 by balopat
@verult
2
Unexpected indentations in docstrings when using Sphinx area/docstrings area/formatting area/sphinx 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
#4276 opened Jun 30, 2021 by smite
3
isolated_notebook_test only works from the repository root area/notebook-testing 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
#4458 opened Aug 23, 2021 by mpharrigan
Redundant implementations of phase damping channel area/channels 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
#4578 opened Oct 15, 2021 by viathor
@viathor
2
Example code for installing Cirq is not portable outside of notebook environments area/colab area/imports area/install 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
#5345 opened May 11, 2022 by mhucka
2
broken tutorial on identifying_hardware_changes.ipynb area/tutorials 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
#5588 opened Jun 23, 2022 by pavoljuhas
@verult @wcourtney @NoureldinYosri
2
Misaligned two-qubit gate diagrams for deep circuits area/colab 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/accepted A consensus emerged that this bug report, feature request, or other action should be worked on
#5719 opened Jul 11, 2022 by andbe91
5
Histogram function doesn't fail for non-bool values. area/simulation 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
#5926 opened Oct 18, 2022 by dubey-sukhsagar
1
Support for Symbols in QasmUGate? area/decompose area/parameters parameter resolution, parameterized gates, operations 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
#5983 opened Jan 18, 2023 by ArfatSalman
Density matrix traces not remaining at 1 after certain operations area/density-matrix-simulator area/simulation 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
#5916 opened Oct 11, 2022 by mvchalupnik
1
6
QSimcirq does not implement measurement noise good for learning For beginners in QC, this will help picking up some knowledge. Bit harder than "good first issues" 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
#6305 opened Sep 28, 2023 by bramathon
4
equivalent measurements evaluate as unequal 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/accepted A consensus emerged that this bug report, feature request, or other action should be worked on
#6093 opened May 12, 2023 by richrines1
@TarunSinghania
2
Using processor: string is incorrect 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
#6427 opened Jan 26, 2024 by eliottrosenberg
@senecameeks
5
Incorrect Behavior of Transformer eject_phased_paulis with Mid-Circuit Measurements 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
#6507 opened Mar 20, 2024 by p51lee
optimize_for_target_gateset does not return equivalent circuit 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
#6517 opened Mar 21, 2024 by jiannanWang
4
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
cirq.PauliStringPhasor returns wrong unitary 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
#6612 opened May 22, 2024 by pgoiporia
@NoureldinYosri
10
failing comparisons for noise channels 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
#6631 opened Jun 3, 2024 by richrines1
1
phase exponent ignored in approximate comparisons of cirq.PhasedISwapPowGate 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
#6529 opened Mar 27, 2024 by richrines1
@ericdequ
2
inconsistent or broken approximate comparisons with PhasedXPowGate 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 triage/needs-more-evidence [Feature requests] Seems plausible, but maintainers are not convinced about the use cases yet
#6528 opened Mar 27, 2024 by richrines1
2
ProTip! What’s not been updated in a month: updated:<2024-12-09.