Qiskit 0.45.3

Changelog

Changed

• Poison import if Qiskit 1.0+ is detected (#11617)

Qiskit 0.45.2

Changelog

Fixed

• Fix qpy support for Cliffords (#11495) (#11582)
• Fix a bug of missing pulse library entry in PulseQobj parsing (backport #11397) (#11573)
• Fix broadcasting of QuantumCircuit.delay (#11447) (#11523)
• Fix global-phase of copied BlueprintCircuits (#11456) (#11485)
• Fix text overwriting end of box for empty default case in mpl drawer (#11366) (#11482)
• Fix a bug is StabilizerState repr (#11368) (#11416)
• Fixed bug in OptimizeSwapBeforeMeasure (#11413) (#11415)
• Don't substitute ideal gates in target with Optimize1qGatesDecomposition (#11351) (#11359)

Qiskit 1.0.0b1

Changelog

Deprecated

• Deprecate PauliList estimator observables (#11055)
• Remove validation methods from primitive base classes (#11052)
• Deprecate legacy primitive attributes in base classes (#11051)
• Deprecate the discrete pulse library (#11110)

Added

• Ensure QuantumCircuit.append validates captures in control-flow (#10974)
• Decomposition of single R gate in RR basis should be one R gate, not two (#11304)
• Add pow as supported operation for ParameterExpression (#11235)
• Add representation of storage-owning Var nodes (#10944)
• Add support for Python 3.12 (#11262)
• Add pass to filter ops and label inserted barriers (#10323)
• Oxidize QuantumCircuit._data and intern CircuitInstruction args (#10827)
• Fixed Issue 11026: SparsePauliOp.apply_layout should do nothing if given None (#11041)
• Add new transpiler exception class for too many qubits (#11241)
• Singletonized Measure and Reset instructions (#11170)
• Improved Documentation and Error-Signaling of VF2PostLayout (#11090)
• Update and expand DAGDependency drawer (#11103)
• List support for coupling map in pass manager (#11063)
• Add disable_validation option to SymbolicPulse (#11029)
• Track runtime variables in control-flow builders (#10977)

Changed

• Replace qiskit metapackage with qiskit-terra (#11271)
• Update platform support and require symengine (#10902)

Removed

• Remove legacy qasm2 parser (#11308)
• Remove leftover algorithm/opflow utils (#11324)
• Remove alg_globals and validation (#11252)
• Remove deprecated opflow module, QuantumInstance and related utils (#11111)
• Remove qiskit_version (deprecated in Qiskit Terra 0.25) (#11305)
• Remove deprecated IntegerComparator.num_ancilla_qubits (#11306)
• Fixed issue 11143 by removing deprecated code (#11159)
• removed the deprecated code since 0.23 (qiskit.visualization.pulse) (#11213)
• Remove the discrete pulse library (#11277)
• Remove deprecated qiskit.algorithms module (#11086)
• Remove namespace packaging hooks (#11223)
• Expire deprecation on qargs=None in DAG appends (#11190)

Fixed

• Don't substitute ideal gates in target with Optimize1qGatesDecomposition (#11351)
• Update Instruction.condition_bits for runtime classical expressions (#11325)
• Avoid routing 2q barriers in SabreSwap (#11295)
• Fix backend_util.py and test cases to support Aer 0.13 (#11172)
• Fix issue with ScheduleBlock qpy serialization and use_symengine (#11261)
• Allow correct retrieval of circuit with initialize instruction from qpy file (#11206)
• Fix QuantumCircuit.barrier argument conversion (#11272)
• Do not ignore global phases when comparing unitary gates (#11247)
• Fix pickling of conditioned custom gates from OpenQASM 2 import (#11175)
• Fix Channel.__hash__ in multiprocessing contexts (#11251)
• Speed up InverseCancellation when there's nothing to cancel (#11211)
• Allow barriers in overlap circuit inputs (#11179)
• Removed 2pi wrapping for global phase parameter (#10631)
• Fix circuit drawer returning qubit[register] names for input (#11096)
• Fix build ordering of BlueprintCircuit._append (#11181)
• Collect classical registers using a set (#10496) (#10505)
• Fix lack of alternative for Optimizer in AQC (#11099)
• Emit a descriptive error when the QPY version is too new (#11074)
• Plot State City Visualization Fixes (#10590)
• Fix Barrier broadcast arguments (#11113)
• Fix calling backend.name() for backendV2 (#11065)
• Fix Sabre extended set population order (#10651)

Qiskit 0.45.1

Changelog

Added

• Add support for Python 3.12 (#11262) (#11311)

Fixed

• Update Instruction.condition_bits for runtime classical expressions (#11325) (#11328)
• Fix backend_util.py and test cases to support Aer 0.13 (#11172) (#11283)
• Fix issue with ScheduleBlock qpy serialization and use_symengine (#11261) (#11275)
• Allow correct retrieval of circuit with initialize instruction from qpy file (#11206) (#11274)
• Fix QuantumCircuit.barrier argument conversion (#11272) (#11273)
• Fix pickling of conditioned custom gates from OpenQASM 2 import (#11175) (#11258)
• Fix Channel.__hash__ in multiprocessing contexts (#11251) (#11255)
• Allow barriers in overlap circuit inputs (#11179) (#11216)
• Fix circuit drawer returning qubit[register] names for input (#11096) (#11199)

Qiskit 0.45.0

Release notes: https://qiskit.org/documentation/release_notes.html#relnotes-0-45-0

Changelog

Deprecated

• Pass manager refactoring: cleanup internals (#10127)
• Deprecate passing None to DAGCircuit appenders (#10752)
• Deprecate Unroller pass (#10607)
• Fix deprecation warning of unscheduled circuits in timeline drawer (#10851)
• Deprecation of algorithm utils (algorithm_globals and validation) (#10905)
• Deprecate bind_parameters in favor of assign_parameters (#10792)
• Move OpenQASM 2 exporter to qiskit.qasm2 (#10533)
• Deprecate qiskit.extensions (#10725)
• Deprecate duplicate circuit gate method (#10797)

Added

• Merging UnrollCustomDefinitions into HighLevelSynthesis as a single pass (#10965)
• Add UnitaryOverlap to the circuit library (#10734)
• schedule() considers instruction map (#10988)
• Pass manager refactoring: cleanup internals (#10127)
• Add display of expressions to circuit drawers (#10869)
• Singleton parameterless controlled gates (#10898)
• Starting layout analysis pass for sabre (#10829)
• Rewrite singleton handling including SingletonInstruction (#11014)
• Annotated operations (#9846)
• Add apply_layout method to SparsePauliOp (#10947)
• Fix hash of Parameter and ParameterExpression (#10875)
• Fix deprecated behaviour in timeline drawer (#10846)
• Improve the ergonomics of the TranspileLayout class (#10835)
• Add check_input option to UnitaryGate (#10660)
• Fix MergeAdjacentBarriers to scale with number of barriers (#10900)
• Add use_symengine option to qpy.dump (#10820)
• Update plot_gate_map() family to leverage graphviz for visualization (#10208)
• #10360 New sign feature in parameterexpression.py (#10571)
• adding an option to CouplingMap.reduce to allow disconnected coupling maps (#10863)
• Use singletons for standard library unparameterized, non-controlled gates (#10314)
• Optimise QuantumCircuit.assign_parameters for single-parameter binding (#10548)
• Add fast path to Parameter.assign (#10549)
• Add option to SabreLayout to specify starting layouts (#10721)
• Allow empty list default initialization for SparsePauliOp (#10765)
• Add fast-path construction to DAGCircuit methods (#10753)
• Use BasisTranslator for unroll 3q or more (#10776)
• Move OpenQASM 2 exporter to qiskit.qasm2 (#10533)
• Add display of internal circuits for ControlFlowOps to text drawer (#10414)
• Optimization stage as a plugin. (#10581)
• constructing cliffords from linear functions and permutation gates (#10423)
• Adding coupling-map and target to HighLevelSynthesis (#10477)
• Add draw method to Operator class (#10271)
• Add tests of Expr support through SabreSwap (#10511)
• Add full Expr support to StochasticSwap (#10506)
• limiting matrix-based commutativity check (#10495)
• Revert "Revert "Pass manager refactoring: add passmanager module (#10124)" (#10454)" (#10474)
• Add IGate rules to standard equivalence library (#7146)
• Add NormalizeRXAngle and RXCalibrationBuilder passes (#10634)
• Preparations to update the default MPL drawer style to "iqx" (#10950)

Changed

• Pass manager refactoring: cleanup internals (#10127)
• Deprecate Unroller pass (#10607)
• Singleton parameterless controlled gates (#10898)
• Pin Numpy < 2 in requirements (#10893)
• Update plot_gate_map() family to leverage graphviz for visualization (#10208)
• Use singletons for standard library unparameterized, non-controlled gates (#10314)
• Adding h, p and u to basic aer (#10673)
• qiskit-terra == qiskit, in version libraries (#10425)
• Keep resets at beginning of circuits (#10591)
• Migrate init stage to plugins (#10689)
• Migrate layout stage to plugins (#10622)
• Cleaning up U3 in the unitary extension (#10597)
• Update minimum Rust version to 1.64 (#10541)
• Revert "Revert "Pass manager refactoring: add passmanager module (#10124)" (#10454)" (#10474)

Removed

• Removed code deprecated in 0.22 [transpiler and providers] (#10872)
• Removed code deprecated in qiskit-terra 0.21, released on June 2022 (#10754)
• removed deprecated PauliTable, StabilizerTable and tests (#10815)
• Remove code deprecated in 0.15 (#10779)
• Remove deprecated x and z arguments to Pauli (#10717)
• Removed deprecated functions in qiskit.scheduler.utils (#10879)
• remove qiskit.utils.deprecation.deprecate_function, deprecated in terra 0.22 (#10881)
• Remove quantum_info deprecated code in 0.22 (#10861)
• Remove deprecated code in 0.19 (#10791)
• Removed code deprecated in 0.20 (#10767)
• Remove deprecated BIPMapping pass (#10526)
• Removal of deprecated property num_ancilla_qubits (#10793)

Fixed

• Fix input normalisation of transpile(initial_layout=...) (#11031)
• Add base-gate callback to CUGate.params return (#11032)
• Fix build filter coupling map with mix ideal/physical targets (#11009)
• schedule() considers instruction map (#10988)
• Fix commutation analysis to group gates into blocks of pairwise commuting gates (#10618)
• NoiseAdaptiveLayout to consider inconsistencies in backend (#10859)
• Use only discrete-basis translations in GateDirection (#10786)
• Fix qpy for controlled UnitaryGate (#10809)
• Add global-phase support to control-flow builders (#10800)
• BackendEstimator support BackendV2 without coupling_map (#10956)
• Fix hash of Parameter and ParameterExpression (#10875)
• Fix IQX color schemes (#10941)
• Support dynamic circuit in BackendEstimator (#9700)
• Avoid useless deepcopy of target with custom pulse gates in transpile (#10973)
• Fix bug in qs_decomposition (#10850)
• Fix issues with ControlFlowOp displays (#10842)
• Fix Clifford.from_operator to fail with non-Clifford diagonal operators (#10904)
• Support passing empty lists to Pauli delete method (#10849)
• fix random statevector distribution (#10866)
• Allow dynamical decoupling pass to work on circuits with pulse gates (#10834)
• Fix GateDirection pass (#10825)
• Fix qpy for multiple controlled parametrized gates (#10758)
• Track Sabre decay heuristic on physical qubits (#10756)
• Handle final comments with no terminating newline in OpenQASM 2 (#10773)
• Support new-style Bit in Pauli convertor from QuantumCircuit (#10757)
• Add validation to Sampler if there are no measurements (#10642)
• Fix performance of Sabre rust<->Python boundary (#10652)
• Fix classical-synthesis label ordering with registerless=False (#9536)
• Reject bad values in SparsePauliOp.paulis setter (#10437)
• Fixing the tools for plotting Pauli vec (#10619)
• Fix open circles and visual circuit tests to .9999 (#10580)
• Fix multiple nested custom controlled gates in QPY (#10537)
• Implemented a type check in copy method of QuantumCircuit class (#10521)
• Force decimal points in OpenQASM 2 floats (#10532)
• limiting matrix-based commutativity check (#10495)
• Fix final_layout when VF2PostLayout finds a better layout (#10466)
• Fix empty-barrier handling in OpenQASM 2 (#10469)
• Fix Pulse channel index validation (#10476)
• raise an exception with a custom gate with clbits or no qubits (#10438)

Qiskit 0.25.3

Release notes: https://qiskit.org/documentation/release_notes.html#qiskit-0-44-3

Changelog

Fixed

• Fix input normalisation of transpile(initial_layout=...) (backport #11031) (#11058)
• Fix calling backend.name() for backendV2 (#11065) (#11076) (#11092)
• Fix build filter coupling map with mix ideal/physical targets (#11009) (#11049)
• Emit a descriptive error when the QPY version is too new (#11094)
• BackendEstimator support BackendV2 without coupling_map (#10956) (#11006)
• Support dynamic circuit in BackendEstimator (#9700) (#10984)
• Avoid useless deepcopy of target with custom pulse gates in transpile (#10973) (#10978)
• Fix bug in qs_decomposition (#10850) (#10957)

Qiskit 0.45.0rc1

Changelog

Deprecated

• Pass manager refactoring: cleanup internals (#10127)
• Deprecate passing None to DAGCircuit appenders (#10752)
• Deprecate Unroller pass (#10607)
• Fix deprecation warning of unscheduled circuits in timeline drawer (#10851)
• Deprecation of algorithm utils (algorithm_globals and validation) (#10905)
• Deprecate bind_parameters in favor of assign_parameters (#10792)
• Move OpenQASM 2 exporter to qiskit.qasm2 (#10533)
• Deprecate qiskit.extensions (#10725)
• Deprecate duplicate circuit gate method (#10797)

Added

• Merging UnrollCustomDefinitions into HighLevelSynthesis as a single pass (#10965)
• Add UnitaryOverlap to the circuit library (#10734)
• schedule() considers instruction map (#10988)
• Pass manager refactoring: cleanup internals (#10127)
• Add display of expressions to circuit drawers (#10869)
• Singleton parameterless controlled gates (#10898)
• Starting layout analysis pass for sabre (#10829)
• Rewrite singleton handling including SingletonInstruction (#11014)
• Annotated operations (#9846)
• Add apply_layout method to SparsePauliOp (#10947)
• Fix hash of Parameter and ParameterExpression (#10875)
• Fix deprecated behaviour in timeline drawer (#10846)
• Improve the ergonomics of the TranspileLayout class (#10835)
• Add check_input option to UnitaryGate (#10660)
• Fix MergeAdjacentBarriers to scale with number of barriers (#10900)
• Add use_symengine option to qpy.dump (#10820)
• Update plot_gate_map() family to leverage graphviz for visualization (#10208)
• #10360 New sign feature in parameterexpression.py (#10571)
• adding an option to CouplingMap.reduce to allow disconnected coupling maps (#10863)
• Use singletons for standard library unparameterized, non-controlled gates (#10314)
• Optimise QuantumCircuit.assign_parameters for single-parameter binding (#10548)
• Add fast path to Parameter.assign (#10549)
• Add option to SabreLayout to specify starting layouts (#10721)
• Allow empty list default initialization for SparsePauliOp (#10765)
• Add fast-path construction to DAGCircuit methods (#10753)
• Use BasisTranslator for unroll 3q or more (#10776)
• Move OpenQASM 2 exporter to qiskit.qasm2 (#10533)
• Add display of internal circuits for ControlFlowOps to text drawer (#10414)
• Optimization stage as a plugin. (#10581)
• constructing cliffords from linear functions and permutation gates (#10423)
• Adding coupling-map and target to HighLevelSynthesis (#10477)
• Add draw method to Operator class (#10271)
• Add tests of Expr support through SabreSwap (#10511)
• Add full Expr support to StochasticSwap (#10506)
• limiting matrix-based commutativity check (#10495)
• Revert "Revert "Pass manager refactoring: add passmanager module (#10124)" (#10454)" (#10474)
• Add IGate rules to standard equivalence library (#7146)
• Add NormalizeRXAngle and RXCalibrationBuilder passes (#10634)
• Preparations to update the default MPL drawer style to "iqx" (#10950)

Changed

• Pass manager refactoring: cleanup internals (#10127)
• Deprecate Unroller pass (#10607)
• Singleton parameterless controlled gates (#10898)
• Pin Numpy < 2 in requirements (#10893)
• Update plot_gate_map() family to leverage graphviz for visualization (#10208)
• Use singletons for standard library unparameterized, non-controlled gates (#10314)
• Adding h, p and u to basic aer (#10673)
• qiskit-terra == qiskit, in version libraries (#10425)
• Keep resets at beginning of circuits (#10591)
• Migrate init stage to plugins (#10689)
• Migrate layout stage to plugins (#10622)
• Cleaning up U3 in the unitary extension (#10597)
• Update minimum Rust version to 1.64 (#10541)
• Revert "Revert "Pass manager refactoring: add passmanager module (#10124)" (#10454)" (#10474)

Removed

• Removed code deprecated in 0.22 [transpiler and providers] (#10872)
• Removed code deprecated in qiskit-terra 0.21, released on June 2022 (#10754)
• removed deprecated PauliTable, StabilizerTable and tests (#10815)
• Remove code deprecated in 0.15 (#10779)
• Remove deprecated x and z arguments to Pauli (#10717)
• Removed deprecated functions in qiskit.scheduler.utils (#10879)
• remove qiskit.utils.deprecation.deprecate_function, deprecated in terra 0.22 (#10881)
• Remove quantum_info deprecated code in 0.22 (#10861)
• Remove deprecated code in 0.19 (#10791)
• Removed code deprecated in 0.20 (#10767)
• Remove deprecated BIPMapping pass (#10526)
• Removal of deprecated property num_ancilla_qubits (#10793)

Fixed

• Fix input normalisation of transpile(initial_layout=...) (#11031)
• Add base-gate callback to CUGate.params return (#11032)
• Fix build filter coupling map with mix ideal/physical targets (#11009)
• schedule() considers instruction map (#10988)
• Fix commutation analysis to group gates into blocks of pairwise commuting gates (#10618)
• NoiseAdaptiveLayout to consider inconsistencies in backend (#10859)
• Use only discrete-basis translations in GateDirection (#10786)
• Fix qpy for controlled UnitaryGate (#10809)
• Add global-phase support to control-flow builders (#10800)
• BackendEstimator support BackendV2 without coupling_map (#10956)
• Fix hash of Parameter and ParameterExpression (#10875)
• Fix IQX color schemes (#10941)
• Support dynamic circuit in BackendEstimator (#9700)
• Avoid useless deepcopy of target with custom pulse gates in transpile (#10973)
• Fix bug in qs_decomposition (#10850)
• Fix issues with ControlFlowOp displays (#10842)
• Fix Clifford.from_operator to fail with non-Clifford diagonal operators (#10904)
• Support passing empty lists to Pauli delete method (#10849)
• fix random statevector distribution (#10866)
• Allow dynamical decoupling pass to work on circuits with pulse gates (#10834)
• Fix GateDirection pass (#10825)
• Fix qpy for multiple controlled parametrized gates (#10758)
• Track Sabre decay heuristic on physical qubits (#10756)
• Handle final comments with no terminating newline in OpenQASM 2 (#10773)
• Support new-style Bit in Pauli convertor from QuantumCircuit (#10757)
• Add validation to Sampler if there are no measurements (#10642)
• Fix performance of Sabre rust<->Python boundary (#10652)
• Fix classical-synthesis label ordering with registerless=False (#9536)
• Reject bad values in SparsePauliOp.paulis setter (#10437)
• Fixing the tools for plotting Pauli vec (#10619)
• Fix open circles and visual circuit tests to .9999 (#10580)
• Fix multiple nested custom controlled gates in QPY (#10537)
• Implemented a type check in copy method of QuantumCircuit class (#10521)
• Force decimal points in OpenQASM 2 floats (#10532)
• limiting matrix-based commutativity check (#10495)
• Fix final_layout when VF2PostLayout finds a better layout (#10466)
• Fix empty-barrier handling in OpenQASM 2 (#10469)
• Fix Pulse channel index validation (#10476)
• raise an exception with a custom gate with clbits or no qubits (#10438)

Qiskit 0.25.2.1

Changelog

This is a post release of 0.25.2 the library source code is identical
between this release and 0.25.2, it fixes some packaging issues that
occurred during the 0.25.2 release.

Qiskit 0.25.2

Changelog

Fixed

• Fix issues with ControlFlowOp displays (#10842) (#10917)
• Fix Clifford.from_operator to fail with non-Clifford diagonal operators (#10904) (#10910)
• Support passing empty lists to Pauli delete method (#10849) (#10896)
• Allow dynamical decoupling pass to work on circuits with pulse gates (#10834) (#10848)
• qreg_creg_descending calls deprecated Bit.index (#10843) (#10845)
• Fix GateDirection pass (#10825) (#10840)
• Fix qpy for multiple controlled parametrized gates (#10758) (#10795)
• Handle final comments with no terminating newline in OpenQASM 2 (#10773) (#10778)
• Support new-style Bit in Pauli convertor from QuantumCircuit (#10757) (#10760)
• Add validation to Sampler if there are no measurements (#10642) (#10722)

Qiskit Terra 0.25.1

Release notes: https://qiskit.org/documentation/release_notes.html#terra-0-25-1

Changelog

Fixed

• Fix performance of Sabre rust<->Python boundary (#10652) (#10659)
• Fix classical-synthesis label ordering with registerless=False (#9536) (#10647)
• Reject bad values in SparsePauliOp.paulis setter (#10437) (#10643)
• Fixing the tools for plotting Pauli vec (#10619) (#10637)
• Fix open circles and visual circuit tests to .9999 (#10580) (#10609)
• Force decimal points in OpenQASM 2 floats (#10532) (#10536)