Qiskit 1.1.1

Changelog

Fixed

• Fix a bug in isometry.rs (backport #12469) (#12471)
• Implement __array__ for qasm2._DefinedGate (backport #12119) (#12523)
• Avoid exception in Target.has_calibration for instruction without properties (backport #12526) (#12527)
• Fix QuantumCircuit.depth with zero-operands and Expr nodes (backport #12429) (#12528)
• Fix bugs with VF2Layout pass and Qiskit Aer 0.13 (backport #11585) (#12537)
• Use hash of numeric value for bound parameter expressions (backport #12488) (#12548)
• Do not retain and expose old elements of ParameterVector (backport #12561) (#12565)
• Fix v2 pulse drawer (backport #12608) (#12614)

Qiskit 0.46.2

Changelog

Added

• [0.46] Finalise support for Numpy 2.0 (#12189)

Fixed

• Fix v2 pulse drawer (#12608) (#12613)
• Fix bugs with VF2Layout pass and Qiskit Aer 0.13 (#11585) (#12536)
• Fix unnecessary serialisation of PassManager in serial contexts (backport #12410) (#12500)
• Fix Instruction.repeat with conditionals (#11940) (#12499)
• Fix evolved operator ansatz (#11682) (#12479)
• Avoid lossing precision when scaling frequencies (#12392) (#12480)
• Handle huge integers in OpenQASM 2 expression evaluator (#12140) (#12401)
• Default init plugin was not properly raising when called with an invalid optimization level (#12170) (#12175)
• Fix mpl circuit drawer with fold=-1 hanging with ControlFlow ops (backport #12016) (#12036)

Qiskit 1.1.0

Release notes: https://docs.quantum.ibm.com/api/qiskit/release-notes/1.1#110

Changelog

Added

• Conjugate reduction in optimize annotated pass (#11811)
• Add star to linear pre-routing pass (#11387)
• Add enhancement to BitArray (#12158)
• Add ElidePermutations transpiler pass (#9523)
• Support standalone Var throughout transpiler (#12322)
• Add indexing and bitshift expressions (#12310)
• Support standalone Vars in OQ3 exporter (#12308)
• Add minimal support for standalone Var to visualisers (#12307)
• Support Var in circuit-substitution methods (#12215)
• Add representation of expr.Var to DAGCircuit (#12204)
• Promote arm64 macOS to tier 1 (#12102)
• Support standalone expr.Var in QPY (#11651)
• Extend the basis gates of BasicSimulator (#12186)
• Add reverse permutation for LNN connectivity (#12181)
• Add Rust-based SparsePauliOp.to_matrix and Miri tests (#11388)
• Finalise support for Numpy 2.0 (#11999)
• Rename show_idle and show_barrier to idle_wires and plot_barriers (#11878)
• Add fast-path construction to NLocal (#12099)
• Add mapping-like features to data_bin (#12129)
• Expose plugin options (#12107)
• Update gate dictionary in two_local.py (#12009)
• Add .apply_layout()method to Pauli class (#12066)
• Improve performance and randomness of QuantumVolume (#12097)
• Add copy keyword argument to QuantumCircuit.append (#12098)
• Added the ctrl_state param to the mcp() function & MCPhaseGate() class (#12094)
• Oxidize two qubit basis decomposer (#12010)
• Added the ctrl_state parameter to mcx() function (#12050)
• Compose multiple final_layout attributes in routing (#11399)
• Fix custom constraints in transpile with BackendV2 (#12042)
• Add BackendSamplerV2 (#11928)
• Add BackendEstimatorV2 (#11931)
• Oxidize TwoQubitWeylDecomposition (#11946)
• Adapt commutation checker to abstract circuits (#11948)
• Expose PauliList.noncommutation_graph in public API (#11795)
• Add ElidePermutations pass to optimization level 3 (#12111)
• replace CXCancellation with InverseCancellation (#11937)
• Add support for returning a DAGCircuit to TwoQubitBasisDecomposer (#12109)
• Assignment of parameters in pulse Schedule/ScheduleBlock doable through parameter name (#12088)
• Add SamplerPubResult (#12143)
• HLSConfig option to run multiple plugins and to choose the best decomposition (#12108)
• Update transpile() to convert BackendV1 inputs to BackendV2 with BackendV2Converter (#11996)
• Add commutative cancellation to preset passmanagers level 2 and 3 (#11929)
• Add RemoveFinalReset pass (#11266)
• ParameterVector support for pulse parameter assignment (#12045)
• Adding annotated argument to power methods (#12101)

Deprecated

• Deprecating Provider ABC, as abstraction is not very useful (#12145)
• pending deprecations from 0.21 (#11902)
• Deprecate Python 3.8 support (#12103)

Changed

• Increase heuristic effort for optimization level 2 (#12149)
• Improve performance and randomness of QuantumVolume (#12097)

Fixed

• Rework handling of instruction durations in preset pass managers (#12183)
• Improve performance of BackendSamplerV2 and EstimatorV2 (#12291)
• Treat Reset like Measure in ConstrainedReschedule (#11756)
• Support ECR gates in Pauli.evolve(QuantumCircuit) (#12095)
• Default init plugin was not properly raising when called with an invalid optimization level (#12170)
• Add copy keyword argument to QuantumCircuit.append (#12098)
• Update the code for decomposing MCX and MCPhase gates, so that the number of CX gates won't grow exponentially (#11993)
• Fix custom constraints in transpile with BackendV2 (#12042)
• fix typo in soft_compare (#12054)
• Fix incorrect signage in qDRIFT synthesis (#11321)
• Fix mpl circuit drawer with fold=-1 hanging with ControlFlow ops (#12016)
• Fix build() default alignment (#12029)
• Fix pulse parameter value formatter bug (#11972)
• Fix evolved operator ansatz (#11682)
• Remove old graph structure during EquivalenceLibrary.set_entry (#11959)
• Fix Instruction.repeat with conditionals (#11940)
• Fix performance issue in parsing bit indices in QPY (#11944)
• Bug Fix for missing qubit property (#11880)
• Fix improper handling of BindingsArray in SamplerPub.coerce() (#11913)
• Fix transpilation of control flow to no hardware (#11907)
• Fixing bug in qcstyle that modified custom style dict (#11874)
• Fix handling of control flow instructions in convert_to_target() (#11877)
• Fix improper handling of BindingsArray in EstimatorPub.coerce (#11871)
• Fix Observables.coerce() for 0-d inputs (#11868)
• Ensure that Parameters compare equal when they have the same hash (#11652)
• Fix an unchecked condition in InverseCancellation (#11834)
• Fix PropertySet re-use in BasePassManager.run (#11787)
• Fix custom pulse instruction conversion to Qobj. (#11829)
• Fix scheduling units (#11782)
• bug loading MPL style from the configuration (#11750)
• Fix qpy.dump()'s use_symengine when passed a truthy object (#11730)
• Update Commutation Checker to Support UTF-8 Encoded Gate Names (#12061)
• Fixing Operator.from_circuit for circuits with final layouts and a non-trivial initial layout (#12057)
• Avoid lossing precision when scaling frequencies (#12392)
• Fix unnecessary serialisation of PassManager in serial contexts (#12410)
• Handle huge integers in OpenQASM 2 expression evaluator (#12140)
• Fix a corner case of SparsePauliOp.apply_layout (#12375)
• Fix QuantumCircuit.compose with Index exprs (#12396)
• Fix {Pauli,SparsePauliOp}.apply_layout to raise an error with negative or duplicate indices (#12385)
• fix edge coloring bug in plot_coupling_map (#12369)
• Fix missing layout in Commuting2qGateRouter (#12137)

Qiskit 1.1.0rc1

Changelog

Added

• Conjugate reduction in optimize annotated pass (#11811)
• Add star to linear pre-routing pass (#11387)
• Add enhancement to BitArray (#12158)
• Add ElidePermutations transpiler pass (#9523)
• Support standalone Var throughout transpiler (#12322)
• Add indexing and bitshift expressions (#12310)
• Support standalone Vars in OQ3 exporter (#12308)
• Add minimal support for standalone Var to visualisers (#12307)
• Support Var in circuit-substitution methods (#12215)
• Add representation of expr.Var to DAGCircuit (#12204)
• Promote arm64 macOS to tier 1 (#12102)
• Support standalone expr.Var in QPY (#11651)
• Extend the basis gates of BasicSimulator (#12186)
• Add reverse permutation for LNN connectivity (#12181)
• Add Rust-based SparsePauliOp.to_matrix and Miri tests (#11388)
• Finalise support for Numpy 2.0 (#11999)
• Rename show_idle and show_barrier to idle_wires and plot_barriers (#11878)
• Add fast-path construction to NLocal (#12099)
• Add mapping-like features to data_bin (#12129)
• Expose plugin options (#12107)
• Update gate dictionary in two_local.py (#12009)
• Add .apply_layout()method to Pauli class (#12066)
• Improve performance and randomness of QuantumVolume (#12097)
• Add copy keyword argument to QuantumCircuit.append (#12098)
• Added the ctrl_state param to the mcp() function & MCPhaseGate() class (#12094)
• Oxidize two qubit basis decomposer (#12010)
• Added the ctrl_state parameter to mcx() function (#12050)
• Compose multiple final_layout attributes in routing (#11399)
• Fix custom constraints in transpile with BackendV2 (#12042)
• Add BackendSamplerV2 (#11928)
• Add BackendEstimatorV2 (#11931)
• Oxidize TwoQubitWeylDecomposition (#11946)
• Adapt commutation checker to abstract circuits (#11948)
• Expose PauliList.noncommutation_graph in public API (#11795)
• Add ElidePermutations pass to optimization level 3 (#12111)
• replace CXCancellation with InverseCancellation (#11937)
• Add support for returning a DAGCircuit to TwoQubitBasisDecomposer (#12109)
• Assignment of parameters in pulse Schedule/ScheduleBlock doable through parameter name (#12088)
• Add SamplerPubResult (#12143)
• HLSConfig option to run multiple plugins and to choose the best decomposition (#12108)
• Update transpile() to convert BackendV1 inputs to BackendV2 with BackendV2Converter (#11996)
• Add commutative cancellation to preset passmanagers level 2 and 3 (#11929)
• Add RemoveFinalReset pass (#11266)
• ParameterVector support for pulse parameter assignment (#12045)
• Adding annotated argument to power methods (#12101)

Deprecated

• Deprecating Provider ABC, as abstraction is not very useful (#12145)
• pending deprecations from 0.21 (#11902)
• Deprecate Python 3.8 support (#12103)

Changed

• Increase heuristic effort for optimization level 2 (#12149)
• Improve performance and randomness of QuantumVolume (#12097)

Fixed

• Rework handling of instruction durations in preset pass managers (#12183)
• Improve performance of BackendSamplerV2 and EstimatorV2 (#12291)
• Treat Reset like Measure in ConstrainedReschedule (#11756)
• Support ECR gates in Pauli.evolve(QuantumCircuit) (#12095)
• Default init plugin was not properly raising when called with an invalid optimization level (#12170)
• Add copy keyword argument to QuantumCircuit.append (#12098)
• Update the code for decomposing MCX and MCPhase gates, so that the number of CX gates won't grow exponentially (#11993)
• Fix custom constraints in transpile with BackendV2 (#12042)
• fix typo in soft_compare (#12054)
• Fix incorrect signage in qDRIFT synthesis (#11321)
• Fix mpl circuit drawer with fold=-1 hanging with ControlFlow ops (#12016)
• Fix build() default alignment (#12029)
• Fix pulse parameter value formatter bug (#11972)
• Fix evolved operator ansatz (#11682)
• Remove old graph structure during EquivalenceLibrary.set_entry (#11959)
• Fix Instruction.repeat with conditionals (#11940)
• Fix performance issue in parsing bit indices in QPY (#11944)
• Bug Fix for missing qubit property (#11880)
• Fix improper handling of BindingsArray in SamplerPub.coerce() (#11913)
• Fix transpilation of control flow to no hardware (#11907)
• Fixing bug in qcstyle that modified custom style dict (#11874)
• Fix handling of control flow instructions in convert_to_target() (#11877)
• Fix improper handling of BindingsArray in EstimatorPub.coerce (#11871)
• Fix Observables.coerce() for 0-d inputs (#11868)
• Ensure that Parameters compare equal when they have the same hash (#11652)
• Fix an unchecked condition in InverseCancellation (#11834)
• Fix PropertySet re-use in BasePassManager.run (#11787)
• Fix custom pulse instruction conversion to Qobj. (#11829)
• Fix scheduling units (#11782)
• bug loading MPL style from the configuration (#11750)
• Fix qpy.dump()'s use_symengine when passed a truthy object (#11730)
• Update Commutation Checker to Support UTF-8 Encoded Gate Names (#12061)
• Fixing Operator.from_circuit for circuits with final layouts and a non-trivial initial layout (#12057)

Qiskit 0.46.1

Changelog

Fixed

• Fixing monitor tools (#11414)
• Remove old graph structure during EquivalenceLibrary.set_entry (#11959) (#11963)
• Fix handling of control flow instructions in convert_to_target() (#11922)
• Fix PropertySet re-use in BasePassManager.run (#11787) (#11863)
• Add missing gate properties and configuration to FakeOpenPulse2Q (from #11609) (#11788)
• Construct subclasses of InstructionDurations from backend (#11501) (#11727)

Qiskit 1.0.2

Release notes: https://docs.quantum.ibm.com/api/qiskit/release-notes/1.0

Changelog

Fixed

• Ensure that Parameters compare equal when they have the same hash (#11652) (#11875)
• Fix improper handling of BindingsArray in EstimatorPub.coerce() (#11871) (#11881)
• Fix transpilation of control flow to no hardware (#11907) (#11915)
• Fix type hint and doc of StatevectorEstimator.default_precision (#11910) (#11918)
• Fix handling of control flow instructions in convert_to_target() (#11877) (#11884)
• Bugfix for missing qubit property (#11880) (#11927)
• Fix performance issue in parsing bit indices in QPY (#11944) (#11945)
• Remove old graph structure during EquivalenceLibrary.set_entry (#11959) (#11962)
• Fix improper handling of BindingsArray in SamplerPub.coerce() (#11913) (#11920)
• Fix Observables.coerce() for 0-d inputs (#11868) (#11876)
• Fix evolved operator ansatz (#11682) (#11965)

Qiskit 1.0.1

Release notes: https://docs.quantum.ibm.com/api/qiskit/release-notes/1.0

Changelog

Fixed:

• Fix an unchecked condition in InverseCancellation (#11834)
• Fix PropertySet re-use in BasePassManager.run (#11787)
• Fix custom pulse instruction conversion to Qobj (#11829)
• Fix scheduling units (#11817)

Qiskit 1.0.0

Release notes: https://docs.quantum.ibm.com/api/qiskit/release-notes/1.0

Changelog

Added

• Add generic V1 Fake Backends, replace use in tests (#10952)
• Native OpenQASM 3 importer (#11584)
• Support stabilised syntax for OpenQASM 3 switch (#11417)
• Library of Unparameterizable Standard Gates Commutations (#11192)
• Add version flag to qpy dump (#11644)
• Rename BasicAer to BasicProvider and refactor interface to follow BackendV2 (#11422)
• Token swapper permutation synthesis plugin (#10657)
• Add reference implementation of EstimatorV2 (#11227)
• Add fake generic and modify tests (#10266)
• Add uuid property to Parameter (#11647)
• Extend CommutativeInverseCancellation to cancel pairs of gates up-to-phase (#11248)
• Add circuit generation from set of stabilizers (#11483)
• Use "tensorised-Pauli decomposition" in SparsePauliOp.from_operator (#11133)
• Warn on import failures within optional dependencies (#11522)
• Allow string keys in QuantumCircuit.assign_parameters (#11432)
• Add QuantumCircuit.get_parameter to retrieve by name (#11431)
• use faster aqc objective function evaluation by default (#11479)
• Add qpy deprecation warning class (#11260)
• Add ParameterExpression.numeric to cast to number (#11109)
• Document how to use high level synthesis plugins (#11389)
• QFT circuit synthesis for linear nearest neighbor connectivity (#11236)
• 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)
• Update gate.inverse() to return AnnotatedOperation (#11593)
• Fix qpy support for Annotated Operations (#11505)
• Update gate.control() to return AnnotatedOperation (#11433)
• Introduction of ExperimentalWarning (#11326)
• New OptimizeAnnotated transpiler pass (#11476)
• Reimplement two_qubit_decompose.num_basis_gates in rust (#11019)
• Add a kwarg for num_processes in the transpiler (#11554)
• Supporting floating-point exponents in Operator.power (#11534)
• Add Statevector-based SamplerV2 (#11566)
• Add BaseEstimatorV2 (#11527)
• Add BaseSamplerV2 (#11529)
• List support for coupling map in pass manager (#11063)
• Add disable_validation option to SymbolicPulse (#11029)

Changed

• Fix approximation_degree default in generate_preset_pass_maanger (#11695)
• Handle custom operations with overlapping names in QPY (#11646)
• Legacy code removal in pass manager (#11448)
• Bump MSRV to 1.70 (#11493)
• Replace qiskit metapackage with qiskit-terra (#11271)
• Update platform support and require symengine (#10902)

Removed

• Remove provider-specific fake backends,FakeProvider class and related tools in 1.0 (#11376)
• Effect final removals from Qiskit 1.0 (#11711)
• Remove deprecated features in 0.46 in primitives (#11576)
• Remove pulse scoped_parameters and search_parameters (#11692)
• Rename BasicAer to BasicProvider and refactor interface to follow BackendV2 (#11422)
• Remove deprecated functions in pulse qobj converter (#11410)
• Remove deprecated feature in 0.45 in unroller (#11581)
• Remove visualization code deprecated in 0.22 (released on October 13, 2022) (#10989)
• Remove qiskit.quantum_info.synthesis for Qiskit 1.0 release (#11592)
• Remove qiskit.transpiler.synthesis for Qiskit 1.0 release (#11570)
• Remove execute() function (#11565)
• Remove deprecated features in 0.45 in quantumcircuit (#11577)
• Deprecate qiskit/quantum_info/synthesis and move to qiskit/synthesis (#11460)
• Remove psutil as a dependency (#11336)
• Remove Aer and imports from qiskit.providers.aer (#11442)
• Remove qiskit.extensions (#11488)
• remove PauliList support as observable type for Estimator.run (#11521)
• Remove ConfigurableFakeBackend (#11568)
• Removed Deprecated Pulse Call Instruction (#11537)
• remove deprecated clifford get/set item (#11555)
• Remove most of qiskit.test (#11445)
• Make iqp the matplotlib default style (#11536)
• remove deprecated aquire alignment (#11553)
• Removed Deprecated Instruction.qasm Function (#11538)
• Remove qiskit.tools module (#11515)
• Removed Deprecated VF2 Call Limit (#11540)
• Remove deprecated IBMQ dependent functionality (#11513)
• Legacy code removal in pass manager (#11448)
• Remove deprecated top-level classicalfunction imports (#11486)
• Remove QuantumCircuit.bind_parameters (#11434)
• Remove Bit.register and Bit.index (#10996)
• add release note (#11395)
• Remove NoiseAdaptiveLayout and CrosstalkAdaptiveSchedule (#11400)
• Remove deprecated legacy pulse builder commands (#11191)
• Remove deprecated ParametricPulse classes (#11024)
• 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)
• Remove qiskit.test (#10998)
• Remove complex amp support for ScalableSymbolicPulse (#11403)
• Remove validation methods from primitive base classes (#11052)

Fixed

• bug loading MPL style from the configuration (#11750)
• Fix qpy.dump()'s use_symengine when passed a truthy object (#11730)
• use pulse_alignment from Target in PadDynamicalDecoupling (#11660)
• Handle custom operations with overlapping names in QPY (#11646)
• Fix split barriers leaking during disjoint layout processing (#11655)
• Fix SetLayout to error with invalid int list input (#11653)
• Backend converter bugfix (edge case) (#11609)
• Followup of #11095 (#11404)
• Restrict version-number output of OpenQASM 3 exporter (#11418)
• Fix qpy support for Cliffords (#11495)
• Fix a bug of missing pulse library entry in PulseQobj parsing (#11397)
• Fix broadcasting of QuantumCircuit.delay (#11447)
• Detect duplicates in QuantumCircuit.compose (#11451)
• Construct subclasses of InstructionDurations from backend (#11501)
• Fix global-phase of copied BlueprintCircuits (#11456)
• Fix text overwriting end of box for empty default case in mpl drawer (#11366)
• Add drawer support for AnnotatedOperations (#11202)
• Ensure TemplateOptimization returns native-symbolic objects (#11107)
• Add missing parameter in standard-gate mapping (#11411)
• Fix a bug is StabilizerState repr (#11368)
• Fixed bug in OptimizeSwapBeforeMeasure (#11413)
• Raise error eagerly on bad unitary synthesis method (#11367)
• 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 text drawer AnnotatedOperations (#11466)
• Fix Sabre extended set population order (#10651)

Qiskit 1.0.0rc1

Changelog

Added

• Add generic V1 Fake Backends, replace use in tests (#10952)
• Native OpenQASM 3 importer (#11584)
• Support stabilised syntax for OpenQASM 3 switch (#11417)
• Library of Unparameterizable Standard Gates Commutations (#11192)
• Add version flag to qpy dump (#11644)
• Rename BasicAer to BasicProvider and refactor interface to follow BackendV2 (#11422)
• Token swapper permutation synthesis plugin (#10657)
• Add reference implementation of EstimatorV2 (#11227)
• Add fake generic and modify tests (#10266)
• Add uuid property to Parameter (#11647)
• Extend CommutativeInverseCancellation to cancel pairs of gates up-to-phase (#11248)
• Add circuit generation from set of stabilizers (#11483)
• Use "tensorised-Pauli decomposition" in SparsePauliOp.from_operator (#11133)
• Warn on import failures within optional dependencies (#11522)
• Allow string keys in QuantumCircuit.assign_parameters (#11432)
• Add QuantumCircuit.get_parameter to retrieve by name (#11431)
• use faster aqc objective function evaluation by default (#11479)
• Add qpy deprecation warning class (#11260)
• Add ParameterExpression.numeric to cast to number (#11109)
• Document how to use high level synthesis plugins (#11389)
• QFT circuit synthesis for linear nearest neighbor connectivity (#11236)
• 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 Statevector-based SamplerV2 (#11566)
• Add BaseEstimatorV2 (#11527)
• Add BaseSamplerV2 (#11529)
• Add BasePrimitiveJob class and deprecate PrimitiveJob.submit method (#11552)
• Add V2 primitive container classes (#11524)
• Add primitives.containers.BitArray container class (#11542)
• Add disable_validation option to SymbolicPulse (#11029)
• Supporting floating-point exponents in Operator.power (#11534)
• Update gate.inverse() to return AnnotatedOperation (#11593)
• Add a kwarg for num_processes in the transpiler (#11554)
• Introduction of ExperimentalWarning (#11326)
• New OptimizeAnnotated transpiler pass (#11476)
• Reimplement two_qubit_decompose.num_basis_gates in rust (#11019)
• Update gate.control() to return AnnotatedOperation (#11433)

Changed

• Fix approximation_degree default in generate_preset_pass_maanger (#11695)
• Handle custom operations with overlapping names in QPY (#11646)
• Legacy code removal in pass manager (#11448)
• Bump MSRV to 1.70 (#11493)
• Replace qiskit metapackage with qiskit-terra (#11271)
• Update platform support and require symengine (#10902)

Removed

• Remove provider-specific fake backends,FakeProvider class and related tools in 1.0 (#11376)
• Effect final removals from Qiskit 1.0 (#11711)
• Remove deprecated features in 0.46 in primitives (#11576)
• Remove pulse scoped_parameters and search_parameters (#11692)
• Rename BasicAer to BasicProvider and refactor interface to follow BackendV2 (#11422)
• Remove deprecated functions in pulse qobj converter (#11410)
• Remove deprecated feature in 0.45 in unroller (#11581)
• Remove visualization code deprecated in 0.22 (released on October 13, 2022) (#10989)
• Remove qiskit.quantum_info.synthesis for Qiskit 1.0 release (#11592)
• Remove qiskit.transpiler.synthesis for Qiskit 1.0 release (#11570)
• Remove execute() function (#11565)
• Remove deprecated features in 0.45 in quantumcircuit (#11577)
• Deprecate qiskit/quantum_info/synthesis and move to qiskit/synthesis (#11460)
• Remove psutil as a dependency (#11336)
• Remove Aer and imports from qiskit.providers.aer (#11442)
• Remove qiskit.extensions (#11488)
• remove PauliList support as observable type for Estimator.run (#11521)
• Remove ConfigurableFakeBackend (#11568)
• Removed Deprecated Pulse Call Instruction (#11537)
• remove deprecated clifford get/set item (#11555)
• Remove most of qiskit.test (#11445)
• Make iqp the matplotlib default style (#11536)
• remove deprecated aquire alignment (#11553)
• Removed Deprecated Instruction.qasm Function (#11538)
• Remove qiskit.tools module (#11515)
• Removed Deprecated VF2 Call Limit (#11540)
• Remove deprecated IBMQ dependent functionality (#11513)
• Legacy code removal in pass manager (#11448)
• Remove deprecated top-level classicalfunction imports (#11486)
• Remove QuantumCircuit.bind_parameters (#11434)
• Remove Bit.register and Bit.index (#10996)
• add release note (#11395)
• Remove NoiseAdaptiveLayout and CrosstalkAdaptiveSchedule (#11400)
• Remove deprecated legacy pulse builder commands (#11191)
• Remove deprecated ParametricPulse classes (#11024)
• 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)
• Remove complex amp support for ScalableSymbolicPulse (#11403)
• Remove qiskit.test (#10998)

Fixed

• use pulse_alignment from Target in PadDynamicalDecoupling (#11660)
• Handle custom operations with overlapping names in QPY (#11646)
• Fix split barriers leaking during disjoint layout processing (#11655)
• Fix SetLayout to error with invalid int list input (#11653)
• Backend converter bugfix (edge case) (#11609)
• Followup of #11095 (#11404)
• Restrict version-number output of OpenQASM 3 exporter (#11418)
• Fix qpy support for Cliffords (#11495)
• Fix a bug of missing pulse library entry in PulseQobj parsing (#11397)
• Fix broadcasting of QuantumCircuit.delay (#11447)
• Detect duplicates in QuantumCircuit.compose (#11451)
• Construct subclasses of InstructionDurations from backend (#11501)
• Fix global-phase of copied BlueprintCircuits (#11456)
• Fix text overwriting end of box for empty default case in mpl drawer (#11366)
• Add drawer support for AnnotatedOperations (#11202)
• Ensure TemplateOptimization returns native-symbolic objects (#11107)
• Add missing parameter in standard-gate mapping (#11411)
• Fix a bug is StabilizerState repr (#11368)
• Fixed bug in OptimizeSwapBeforeMeasure (#11413)
• Raise error eagerly on bad unitary synthesis method (#11367)
• 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 text drawer AnnotatedOperations (#11466)
• Fix qpy support for Annotated Operations (#11505)
• Fix mypy errors (pulse) (#8268)
• Fix Sabre extended set population order (#10651)

Qiskit 0.46.0

Release notes: https://docs.quantum.ibm.com/api/qiskit/release-notes/0.46

Changelog

Deprecated

• Remove validation methods from primitive base classes (backport #11052) (#11532)
• Deprecate visualization code (#11636)
• Deprecate pulse parameter scoping (#11691)
• Legacy code deprecation in pass manager (#11449)
• Deprecate NoiseAdaptiveLayout and CrosstalkAdaptiveSchedule (#11402)
• Deprecate qiskit.tools (#11514)
• Deprecate provider-specific fake backends,FakeProvider class and related tools in 0.46 (#11381)
• Add warning when qiskit package not installed (#11230)
• Deprecate BasicAer and introduce BasicProvider (#11583)
• Deprecate qiskit/quantum_info/synthesis and move to qiskit/synthesis (backport #11460) (#11635)
• Deprecate qiskit/transpiler/synthesis and move to qiskit/synthesis (backport #11426) (#11624)
• Deprecate PauliList estimator observables (#11520)
• Deprecate ConfigurableFakeBackend (#11567)
• Deprecate execute() (#11044)
• deprecate qiskit.test (#11001)
• Deprecate qiskit.Aer and qiskit.providers.aer (#11439)
• Deprecate implicit Estimator conversion to SparsePauliOp (#11535)
• Deprecate legacy qcstyle (#11545)
• Deprecate BasePrimitiveResult (#11054)
• Deprecate extensions on stable/0.46 (#11498)
• Deprecate legacy qasm2 parser for 0.46 (#11347)
• Deprecate Qobj input to UnitarySimulatorPy.run (#11394)
• deprecate legacy pulse builder command (#11249)
• Deprecate leftover algorithm/opflow utils (#11323)
• Deprecate ParametricPulse (#11279)
• Deprecate the discrete pulse library (#11110) (#11265)

Added

• Add fake generic and modify tests (backport #10266) (#11670)
• Deprecate BasicAer and introduce BasicProvider (#11583)
• Deprecate qiskit/quantum_info/synthesis and move to qiskit/synthesis (backport #11460) (#11635)
• Add support for Python 3.12 (#11262) (#11311)

Changed

• Poison import if Qiskit 1.0+ is detected (#11617)
• Add warning when qiskit package not installed (#11230)

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)
• 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)