Qiskit 1.2.1

Changelog

Fixed

• Fix an edge case in Sabre's release valve (#13114) (#13130)
• Fix creation of registers in synthesis methods (backport #13086) (#13123)
• Fix the matrix representation of CUGate in Rust (#13121) (#13124)
• Restrict Split2QUnitaries to run on UnitaryGate (#13095) (#13097)
• Bug fix in HoareOptimizer (#13083) (#13087)
• Fix extraction of controlled parametric gates (#13067) (#13080)
• Fix use of node.op in Split2QUnitaries (backport #13015) (#13062)
• Fix Rust-space TwoQubitBasisDecomposer for non-standard KAK gate (#13014) (#13026)
• Extended the from_backend method of InstructionDurations to support both BackendV1 and BackendV2 (#12941) (#13009)
• Fix Initialize.gates_to_uncompute method (#12976) (#13000)
• Parsing of seed_transpiler in generate_preset_pass_manager (backport #12980) (#12996)
• Fix normalize in StatePreparation (#12988) (#12992)
• Add the copy argument to __array__ (#12979) (#12987)

Qiskit 1.3.0b1

Changelog

Deprecated

• Deprecates StochasticSwap and suggests the use of SabreSwap (#12983)
• Deprecate BackendV1 and qiskit.providers.models (backport #12629) (#12864)
• Deprecate BackendV1 and qiskit.providers.models (#12629)
• Deprecate fake backends based on BackendV1 (backport #12660) (#12837)
• Deprecate fake backends based on BackendV1 (#12660)
• fixes #9355 deprecate visualize_transition (#12287) (#12822)
• fixes #9355 deprecate visualize_transition (#12287)

Added

• Add equivalence-library rules between rzz and cp (#13019)
• Port the count_ops method in QuantumCircuit to Rust (#13050)
• Fully port Optimize1qGatesDecomposition to Rust (#12959)
• Promote CONTROL_FLOW_OP_NAMES to public API (#13057)
• [DAGCircuit Oxidation] Port DAGCircuit to Rust (#12550)
• Move mcx synthesis methods with ancillas to the synthesis library (#12904)
• 'Peephole' optimization - or: collecting and optimizing two-qubit blocks - before routing (#12727) (#12881)
• 'Peephole' optimization - or: collecting and optimizing two-qubit blocks - before routing (#12727)
• Avoid operator creation in transpiler (#12826) (#12875)
• Avoid operator creation in transpiler (#12826)
• Port star_preroute to rust (backport #12761) (#12846)
• Add config option to leverage all cores for sabre (#12780) (#12841)
• Port star_preroute to rust (#12761)
• Add config option to leverage all cores for sabre (#12780)
• Bitarray postselect (#12693) (#12836)
• Bitarray postselect (#12693)
• Add AnnotatedOperation.params and fix some control issues (#12752) (#12828)
• Add a default optimization level to generate_preset_pass_manager (#12150)
• Add AnnotatedOperation.params and fix some control issues (#12752)

Changed

• Raise minimum python version to 3.9 (#12910)
• [DAGCircuit Oxidation] Port DAGCircuit to Rust (#12550)
• Update metadata of Primitives V2 (#12784) (#12857)
• Update metadata of Primitives V2 (#12784)
• Change the default routing_method to sabre (#12806) (#12847)
• Change the default routing_method to sabre (#12806)

Fixed

• Fix an edge case in Sabre's release valve (#13114)
• Fix the matrix representation of CUGate in Rust (#13121)
• Fix creation of registers in synthesis methods (#13086)
• Restrict Split2QUnitaries to run on UnitaryGate (#13095)
• Bug fix in HoareOptimizer (#13083)
• Fix extraction of controlled parametric gates (#13067)
• Fix use of node.op in Split2QUnitaries (#13015)
• Fix UnitaryGate.repeat() method (#12986)
• Move the circuit library's entanglement logic to Rust (#12950)
• [DAGCircuit Oxidation] Port DAGCircuit to Rust (#12550)
• Fix Rust-space TwoQubitBasisDecomposer for non-standard KAK gate (#13014)
• Extended the from_backend method of InstructionDurations to support both BackendV1 and BackendV2 (#12941)
• Fix Initialize.gates_to_uncompute method (#12976)
• fix stateprep's normalize (#12988)
• adding copy argument to array (#12979)
• Fix setter so that SparsePauliOp.paulis.phase stays zero (#12884)
• Fix error message upon misalignment in PadDynamicalDecoupling (#12952) (#12954)
• Fix error message upon misalignment in PadDynamicalDecoupling (#12952)
• Improve error message on bad OpenQASM 3 basis_gates argument (#12945) (#12946)
• Improve error message on bad OpenQASM 3 basis_gates argument (#12945)
• Expose seed in Estimator and StatevectorEstimator (#12862)
• Fix dag visualization with Var wires (#12848) (#12924)
• Remove init peephole optimization discrete basis check (#12898) (#12920)
• Fix dag visualization with Var wires (#12848)
• Remove init peephole optimization discrete basis check (#12898)
• Fix parsing of huge OpenQASM 2 conditionals (#12774) (#12854)
• Fix StatevectorSampler to raise an error if a circuit with c_if is passed (#12842) (#12851)
• Fix parsing of huge OpenQASM 2 conditionals (#12774)
• Fix StatevectorSampler to raise an error if a circuit with c_if is passed (#12842)
• Make BitArray.{slice_bits,slice_shots,__getitem__} raise IndexError when indices are not valid (#12755) (#12845)
• Make BitArray.{slice_bits,slice_shots,__getitem__} raise IndexError when indices are not valid (#12755)
• Add AnnotatedOperation.params and fix some control issues (#12752) (#12828)
• Add AnnotatedOperation.params and fix some control issues (#12752)
• Fix BitArray.from_counts/from_samples to not fail for input with only 0 outcome and num_bits=None (#12800) (#12820)
• Fix BitArray.from_counts/from_samples to not fail for input with only 0 outcome and num_bits=None (#12800)

Qiskit 1.2.0

Release notes: https://docs.quantum.ibm.com/api/qiskit/release-notes/1.2

Changelog

Deprecated

• Deprecate BackendV1 and qiskit.providers.models (backport #12629) (#12864)
• Deprecate fake backends based on BackendV1 (backport #12660) (#12837)
• fixes #9355 deprecate visualize_transition (#12287) (#12822)
• Deprecate V1 Primitives and their utils (#12575)
• Deprecate Qobj and assemble (#12649)
• Deprecate accidentally public internal helper methods on QuantumCircuit (#12785)
• Improve the performance of the ProductFormula synthesizers (#12724)
• Add warning for bad justify input, in circuit_drawer (#12458)
• Deprecate tuple-like access to CircuitInstruction (#12640)

Added

• 'Peephole' optimization - or: collecting and optimizing two-qubit blocks - before routing (#12727) (#12881)
• Avoid operator creation in transpiler (#12826) (#12875)
• Port star_preroute to rust (backport #12761) (#12846)
• Add config option to leverage all cores for sabre (#12780) (#12841)
• Bitarray postselect (#12693) (#12836)
• Add AnnotatedOperation.params and fix some control issues (#12752) (#12828)
• Move generate_preset_pass_manager to a standalone file (#12762)
• Update version of OpenQASM 3.0 standard library (#12387)
• Port synth_permutation_depth_lnn_kms to Rust (#12746)
• Rewrite OpenQASM 3 exporter symbol table (#12776)
• Port synth_clifford_bm to Rust. (#12714)
• Update MCX recursive synthesis method to reduce number of CX gates (#12772)
• Barebone generic backend options (#12747)
• Adding QFT gate to natively reason about Quantum Fourier Transforms (#11463)
• Improve the performance of the ProductFormula synthesizers (#12724)
• Improved MCXVChain with dirty auxiliary qubits (#9687)
• Oxidize synth_cnot_count_full_pmh (#12588)
• Add Uniform State Preparation (#12112)
• Port synth_clifford_greedy to Rust (#12601)
• Oxidize synth_permutation_acg (#12543)
• improving quantum_causal_cone method in python (#12668)
• binary matrices utils in rust (#12456)
• Add infrastructure for gates, instruction, and operations in Rust (#12459)
• Add option to user config to control idle_wires in circuit drawer (#12462)
• [unitaryHACK] Controlling the Insertion of Multi-Qubit Gates in the Generation of Random Circuits #12059 (#12483)
• Add pos for Parameter (#12496)
• Update transpile() and generate_preset_pass_manager to convert loose input of constraints to a Target with Target.from_configuration() (#12185)
• Add DenseLayout trial to SabreLayout (#12453)
• add insert_barrier argument to UnitaryOverlap (#12321)
• Add new method for single bitstring target when measuring stabilizerstate probabilities_dict (#12147)
• Replace initialization method by Isometry in StatePreparation (#12178)

Changed

• Update metadata of Primitives V2 (#12784) (#12857)
• Change the default routing_method to sabre (#12806) (#12847)
• Use rustworkx 0.15.0 features in DAGCircuit.remove_op_node (#12756)
• Add infrastructure for gates, instruction, and operations in Rust (#12459)

Fixed

• Fix error message upon misalignment in PadDynamicalDecoupling (#12952) (#12954)
• Improve error message on bad OpenQASM 3 basis_gates argument (#12945) (#12946)
• Fix dag visualization with Var wires (#12848) (#12924)
• Remove init peephole optimization discrete basis check (#12898) (#12920)
• Fix parsing of huge OpenQASM 2 conditionals (#12774) (#12854)
• Fix StatevectorSampler to raise an error if a circuit with c_if is passed (#12842) (#12851)
• Make BitArray.{slice_bits,slice_shots,__getitem__} raise IndexError when indices are not valid (#12755) (#12845)
• Add AnnotatedOperation.params and fix some control issues (#12752) (#12828)
• Fix BitArray.from_counts/from_samples to not fail for input with only 0 outcome and num_bits=None (#12800) (#12820)
• fix issue/12311 with fractional gate in basis (#12511)
• Validate order kwarg in BitArray.from_bool_array() (#12686)
• Rewrite OpenQASM 3 exporter symbol table (#12776)
• Fixing and documenting how the Estimator calculates stds (#12670)
• Add clifford gates to collect_cliffords (#12750)
• Fix C3SXGate to_matrix method (#12742)
• Oxidize synth_cnot_count_full_pmh (#12588)
• Fix replace_block_with_op on operations with wrong number of qubits (#12637)
• Enable the new efficient MCX decompose (#12628)
• GenericBackendV2 should fail when the backend cannot allocate the basis gate because its size (#12653)
• Fix some bugs in loading Solovay Kitaev decompositions (#12579)
• Invalidate parameters cache on circuit copy (#12619)
• Fix v2 pulse drawer (#12608)
• Use hash of numeric value for bound parameter expressions (#12488)
• Fix bugs with VF2Layout pass and Qiskit Aer 0.13 (#11585)
• Fix QuantumCircuit.depth with zero-operands and Expr nodes (#12429)
• Avoid exception in Target.has_calibration for instruction without properties (#12526)
• Implement __array__ for qasm2._DefinedGate (#12119)
• Fix a bug in isometry.rs (#12469)
• Avoid lossing precision when scaling frequencies (#12392) (#12416)
• Avoid lossing precision when scaling frequencies (#12392)
• Fix unnecessary serialisation of PassManager in serial contexts (#12410) (#12413)
• Fix unnecessary serialisation of PassManager in serial contexts (#12410)
• Handle huge integers in OpenQASM 2 expression evaluator (#12140) (#12400)
• Fix a corner case of SparsePauliOp.apply_layout (#12375) (#12402)
• Fix a corner case of SparsePauliOp.apply_layout (#12375)
• Handle huge integers in OpenQASM 2 expression evaluator (#12140)
• Fix {Pauli,SparsePauliOp}.apply_layout to raise an error with negative or duplicate indices (#12385) (#12386)
• Fix {Pauli,SparsePauliOp}.apply_layout to raise an error with negative or duplicate indices (#12385)
• fix edge coloring bug in plot_coupling_map (#12369) (#12379)
• Fix missing layout in Commuting2qGateRouter (#12137) (#12383)
• Fix missing layout in Commuting2qGateRouter (#12137)
• fix edge coloring bug in plot_coupling_map (#12369)

Qiskit 1.1.2

Changelog

Fixed

• Fix dag visualization with Var wires (#12848) (#12923)
• Fix parsing of huge OpenQASM 2 conditionals (#12774) (#12853)
• Make BitArray.{slice_bits,slice_shots,__getitem__} raise IndexError when indices are not valid (backport #12755) (#12844)
• Fix BitArray.from_counts/from_samples to not fail for input with only 0 outcome and num_bits=None (#12800) (#12821)
• fix issue/12311 with fractional gate in basis (#12511) (#12813)
• Add clifford gates to collect_cliffords (backport #12750) (#12763)
• Fix C3SXGate to_matrix method (backport #12742) (#12745)
• Fix replace_block_with_op on operations with wrong number of qubits (#12637) (#12700)
• GenericBackendV2 should fail when the backend cannot allocate the basis gate because its size (#12653) (#12667)
• Fix some bugs in loading Solovay Kitaev decompositions (#12579) (#12664)
• Invalidate parameters cache on circuit copy (backport #12619) (#12621)

Qiskit 1.2.0rc1

Changelog

Deprecated

• Deprecate BackendV1 and qiskit.providers.models (backport #12629) (#12864)
• Deprecate fake backends based on BackendV1 (backport #12660) (#12837)
• fixes #9355 deprecate visualize_transition (#12287) (#12822)
• Deprecate V1 Primitives and their utils (#12575)
• Deprecate Qobj and assemble (#12649)
• Deprecate accidentally public internal helper methods on QuantumCircuit (#12785)
• Improve the performance of the ProductFormula synthesizers (#12724)
• Add warning for bad justify input, in circuit_drawer (#12458)
• Deprecate tuple-like access to CircuitInstruction (#12640)

Added

• 'Peephole' optimization - or: collecting and optimizing two-qubit blocks - before routing (#12727) (#12881)
• Avoid operator creation in transpiler (#12826) (#12875)
• Port star_preroute to rust (backport #12761) (#12846)
• Add config option to leverage all cores for sabre (#12780) (#12841)
• Bitarray postselect (#12693) (#12836)
• Add AnnotatedOperation.params and fix some control issues (#12752) (#12828)
• Move generate_preset_pass_manager to a standalone file (#12762)
• Update version of OpenQASM 3.0 standard library (#12387)
• Port synth_permutation_depth_lnn_kms to Rust (#12746)
• Rewrite OpenQASM 3 exporter symbol table (#12776)
• Port synth_clifford_bm to Rust. (#12714)
• Update MCX recursive synthesis method to reduce number of CX gates (#12772)
• Barebone generic backend options (#12747)
• Adding QFT gate to natively reason about Quantum Fourier Transforms (#11463)
• Improve the performance of the ProductFormula synthesizers (#12724)
• Improved MCXVChain with dirty auxiliary qubits (#9687)
• Oxidize synth_cnot_count_full_pmh (#12588)
• Add Uniform State Preparation (#12112)
• Port synth_clifford_greedy to Rust (#12601)
• Oxidize synth_permutation_acg (#12543)
• improving quantum_causal_cone method in python (#12668)
• binary matrices utils in rust (#12456)
• Add infrastructure for gates, instruction, and operations in Rust (#12459)
• Add option to user config to control idle_wires in circuit drawer (#12462)
• [unitaryHACK] Controlling the Insertion of Multi-Qubit Gates in the Generation of Random Circuits #12059 (#12483)
• Add pos for Parameter (#12496)
• Update transpile() and generate_preset_pass_manager to convert loose input of constraints to a Target with Target.from_configuration() (#12185)
• Add DenseLayout trial to SabreLayout (#12453)
• add insert_barrier argument to UnitaryOverlap (#12321)
• Add new method for single bitstring target when measuring stabilizerstate probabilities_dict (#12147)
• Replace initialization method by Isometry in StatePreparation (#12178)

Changed

• Update metadata of Primitives V2 (#12784) (#12857)
• Change the default routing_method to sabre (#12806) (#12847)
• Use rustworkx 0.15.0 features in DAGCircuit.remove_op_node (#12756)
• Add infrastructure for gates, instruction, and operations in Rust (#12459)

Fixed

• Fix parsing of huge OpenQASM 2 conditionals (#12774) (#12854)
• Fix StatevectorSampler to raise an error if a circuit with c_if is passed (#12842) (#12851)
• Make BitArray.{slice_bits,slice_shots,__getitem__} raise IndexError when indices are not valid (#12755) (#12845)
• Add AnnotatedOperation.params and fix some control issues (#12752) (#12828)
• Fix BitArray.from_counts/from_samples to not fail for input with only 0 outcome and num_bits=None (#12800) (#12820)
• fix issue/12311 with fractional gate in basis (#12511)
• Validate order kwarg in BitArray.from_bool_array() (#12686)
• Rewrite OpenQASM 3 exporter symbol table (#12776)
• Fixing and documenting how the Estimator calculates stds (#12670)
• Add clifford gates to collect_cliffords (#12750)
• Fix C3SXGate to_matrix method (#12742)
• Oxidize synth_cnot_count_full_pmh (#12588)
• Fix replace_block_with_op on operations with wrong number of qubits (#12637)
• Enable the new efficient MCX decompose (#12628)
• GenericBackendV2 should fail when the backend cannot allocate the basis gate because its size (#12653)
• Fix some bugs in loading Solovay Kitaev decompositions (#12579)
• Invalidate parameters cache on circuit copy (#12619)
• Fix v2 pulse drawer (#12608)
• Use hash of numeric value for bound parameter expressions (#12488)
• Fix bugs with VF2Layout pass and Qiskit Aer 0.13 (#11585)
• Fix QuantumCircuit.depth with zero-operands and Expr nodes (#12429)
• Avoid exception in Target.has_calibration for instruction without properties (#12526)
• Implement __array__ for qasm2._DefinedGate (#12119)
• Fix a bug in isometry.rs (#12469)
• Avoid lossing precision when scaling frequencies (#12392) (#12416)
• Avoid lossing precision when scaling frequencies (#12392)
• Fix unnecessary serialisation of PassManager in serial contexts (#12410) (#12413)
• Fix unnecessary serialisation of PassManager in serial contexts (#12410)
• Handle huge integers in OpenQASM 2 expression evaluator (#12140) (#12400)
• Fix a corner case of SparsePauliOp.apply_layout (#12375) (#12402)
• Fix a corner case of SparsePauliOp.apply_layout (#12375)
• Handle huge integers in OpenQASM 2 expression evaluator (#12140)
• Fix {Pauli,SparsePauliOp}.apply_layout to raise an error with negative or duplicate indices (#12385) (#12386)
• Fix {Pauli,SparsePauliOp}.apply_layout to raise an error with negative or duplicate indices (#12385)
• fix edge coloring bug in plot_coupling_map (#12369) (#12379)
• Fix missing layout in Commuting2qGateRouter (#12137) (#12383)
• Fix missing layout in Commuting2qGateRouter (#12137)
• fix edge coloring bug in plot_coupling_map (#12369)

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)