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)

Qiskit Terra 0.25.0

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

Changelog

Deprecated

• Add deprecation warning to algs module (#10406)
• qiskit_version deprecation (#10242)
• Remove method qasm from Instruction and all of its subclasses (#10399)
• Deprecate namespace packaging hooks (#10322)
• Deprecate pulse Call instruction (#10247)
• Deprecate get_vf2_call_limit in preset_passmanagers (#10065)
• Deprecate circuit-library Jupyter magic (#9940)

Added

• Add full Expr support to StochasticSwap (#10506) (#10510)
• Allow circuits w/ control flow in O2 and O3 (#10372)
• Optimize ConsolidateBlocks pass (#10365)
• Add Expr support to OpenQASM 3 exporter (#10408)
• Support control flow in ConsolidateBlocks (#10355)
• Add display of internal circuits for ControlFlowOps to mpl circuit drawer (#10207)
• Add flatten option to the NLocal family (#10269)
• Improve parameter-binding performance of large instructions (#10284)
• Add block collection options split_layers and collect_from_back (#10254)
• Add in qpy the support for Discriminator and Kernel (#10327)
• Add Expr support to DAGCircuit.substitute_node_with_dag (#10381)
• Add Expr support in DAGCircuit.substitute_node (#10382)
• Add a new argument concurrent_measurements to target class (#10258)
• Add Expr support to DAGCircuit.replace_block_with_node (#10383)
• Add find_bit method to DAGCircuit to get mapping of bits to positional index (#10128)
• Add Expr support to QPY for conditions and targets (#10392)
• Add Expr support to the control-flow builders (#10400)
• Add Expr support to DAGCircuit.compose (#10377)
• Add Expr support to QuantumCircuit.compose (#10375)
• Add separable_circuits method to DAGCircuit class (#9471)
• Add support for semantic equality checking of Exprs in DAGCircuit (#10367)
• Refactor output of OpenQASM 3 exporter to use fewer aliases (#10249)
• DAGCircuit: Add get_causal_cone method (#10325)
• Add get_dt_from_backend func to the builder command (#10253)
• Add Expr supprt to DAGCircuit simple constructors (#10362)
• Linear function usability improvements (#10053)
• Add Expr support to ControlFlowOp representation (#10358)
• Add initial representation of classical expressions (#10332)
• Relax wire_order restrictions in circuit visualization (#9893)
• Adding depth-5n synthesis algorithm for -CZ-CX- circuits (#9932)
• Add schmidt_decomposition function to quantum_info (#10104)
• Adding the feature of calculating entanglement measures negativity (#10134)
• Add HAS_PYGMENTS lazy tester (#9944)
• Allow multiplication of SparsePauliOp and ParameterExpression (#10264)
• Pass manager refactoring: add passmanager module (#10124)
• Added classical_predecessors method (#9980)
• Allow to normalize inputs on StatePreparation and Initialize (#7189)
• Add more 1q and 2q Pauli rotation equivalences (#7407)
• Add standard 1q Pauli equivalences to standard library (#10300)
• add abs method to ParameterExpression (#9309)

Changed

• Enable Sabre for control flow circuits at O1 (#10371)
• Refactor output of OpenQASM 3 exporter to use fewer aliases (#10249)
• Remove cyclic-definition handling from Clifford.from_circuit (#10441)
• Use rustworkx version of token_swapper (#10001)
• Use stable Python C API for building Rust extension (#10120)
• Assign values directly to fully bound parameters in quantum circuits (#10183)
• Switch QuantumCircuit.from_qasm_str and from_qasm_file to new parser (#9955)
• Drop support for Python 3.7 (#10009)
• Set max_trials for VF2Layout in preset pass managers. (#10054)

Removed

• Remove list argument broadcasting and simplify transpile() (#10291)
• Remove deprecated InstructionSet circuit_cregs argument (#10302)
• Remove deprecations from mpl circuit drawer (#10020)

Fixed

• Fix final_layout when VF2PostLayout finds a better layout (#10466) (#10493)
• Fix empty-barrier handling in OpenQASM 2 (#10469) (#10491)
• raise an exception with a custom gate with clbits or no qubits (#10438) (#10485)
• Fix Pulse channel index validation (#10476) (#10486)
• Fix UnassignedDurationError of update_from_instruction_schedule_map (#10447)
• Add Expr support to OpenQASM 3 exporter (#10408)
• Improve parameter-binding performance of large instructions (#10284)
• Add Expr support in DAGCircuit.substitute_node (#10382)
• Add Expr support to the control-flow builders (#10400)
• fix 1q matrix bug in Quantum Shannon Decomposer (#10126)
• Add mid-circuit measurement before conditional operation in random_circuit (#10401)
• Fix inner qubit mapping in UnitarySynthesis pass. (#10405)
• Fix plot legend don't show up when dataset start with zero (#10176)
• Fix deepcopy for new-style Bit (#10411)
• Fix DiagonalGate QPY serialisation (#10376)
• Add support for QuantumCircuit.layout to qpy (#10148)
• Fix CheckMap with control-flow builder nested conditionals (#10395)
• Fix VQD's optimal_values (#10279)
• Fix qasm export for gates with same name (#10286)
• Fix deprecation warnings emitted by import qiskit.primitives (#10287)
• Fix BasicSwap FakeRun Typo (#10274)
• Improve casting and error message for ParameterExpression (#10244)
• FullAncillaAllocation for backends witout a coupling map (#10240)
• Fix the output macros.measure with backendV2 (#10135)
• Fix QuantumCircuit.draw() not outputting pdf in latex mode (#10212)
• Fix output of DensityMatrix.partial_transpose to match input dimensions (#10163)
• Assign values directly to fully bound parameters in quantum circuits (#10183)
• Fix unitary synthesis for parameterized basis gates in Target (#10090)
• Fix PassManagerConfig.from_backend with BackendV1 and no CouplingMap (#10172)
• Fix top-level switch statements in QuantumCircuit.compose (#10164)
• Fixing BlockCollapser with Clbits (#9823)
• Fix initial_layout in transpile with loose qubits (#10153)
• Remove undefined variable (#10117)
• Fix wrong relative phase of MCRZ (#9836)
• Fix tweedledum runtime detection in BooleanExpression.from_dimacs_file (#10132)
• define getstate and setstate for OneQubitGateErrorMap (#10092)
• Add the qubit_coordinates_map for ibm_seattle (#10089)
• Switch QuantumCircuit.from_qasm_str and from_qasm_file to new parser (#9955)
• Fix interaction graph vf2 scoring to include 1q component (#10084)
• Set max_trials for VF2Layout in preset pass managers. (#10054) (#10061)
• Set max_trials for VF2Layout in preset pass managers. (#10054)
• Remove recursion from ConstrainedReschedule pass (#10051) (#10057)
• Remove recursion from ConstrainedReschedule pass (#10051)
• Fix for unintended rounding in 'state_to_latex' latex output (#9300) (#10048)
• Fix for unintended rounding in 'state_to_latex' latex output (#9300)
• Fix delay padding to respect target's constraints (#10007) (#10038)
• FIx 0q operation handling in Statevector (#10031) (#10039)
• circuit: narrow the return type of QuantumCircuit.assign_parameters (#10037)
• FIx 0q operation handling in Statevector (#10031)
• Allow decomposing composite gates by name (#9170)
• Fix delay padding to respect target's constraints (#10007)
• Use backend_compat module's convert to target (#10016)

Qiskit Terra 0.25.0rc1

Changelog

Deprecated

• Add deprecation warning to algs module (#10406)
• qiskit_version deprecation (#10242)
• Remove method qasm from Instruction and all of its subclasses (#10399)
• Deprecate namespace packaging hooks (#10322)
• Deprecate pulse Call instruction (#10247)
• Deprecate get_vf2_call_limit in preset_passmanagers (#10065)
• Deprecate circuit-library Jupyter magic (#9940)

Added

• Allow circuits w/ control flow in O2 and O3 (#10372)
• Optimize ConsolidateBlocks pass (#10365)
• Add Expr support to OpenQASM 3 exporter (#10408)
• Support control flow in ConsolidateBlocks (#10355)
• Add display of internal circuits for ControlFlowOps to mpl circuit drawer (#10207)
• Add flatten option to the NLocal family (#10269)
• Improve parameter-binding performance of large instructions (#10284)
• Add block collection options split_layers and collect_from_back (#10254)
• Add in qpy the support for Discriminator and Kernel (#10327)
• Add Expr support to DAGCircuit.substitute_node_with_dag (#10381)
• Add Expr support in DAGCircuit.substitute_node (#10382)
• Add a new argument concurrent_measurements to target class (#10258)
• Add Expr support to DAGCircuit.replace_block_with_node (#10383)
• Add find_bit method to DAGCircuit to get mapping of bits to positional index (#10128)
• Add Expr support to QPY for conditions and targets (#10392)
• Add Expr support to the control-flow builders (#10400)
• Add Expr support to DAGCircuit.compose (#10377)
• Add Expr support to QuantumCircuit.compose (#10375)
• Add separable_circuits method to DAGCircuit class (#9471)
• Add support for semantic equality checking of Exprs in DAGCircuit (#10367)
• Refactor output of OpenQASM 3 exporter to use fewer aliases (#10249)
• DAGCircuit: Add get_causal_cone method (#10325)
• Add get_dt_from_backend func to the builder command (#10253)
• Add Expr supprt to DAGCircuit simple constructors (#10362)
• Linear function usability improvements (#10053)
• Add Expr support to ControlFlowOp representation (#10358)
• Add initial representation of classical expressions (#10332)
• Relax wire_order restrictions in circuit visualization (#9893)
• Adding depth-5n synthesis algorithm for -CZ-CX- circuits (#9932)
• Add schmidt_decomposition function to quantum_info (#10104)
• Adding the feature of calculating entanglement measures negativity (#10134)
• Add HAS_PYGMENTS lazy tester (#9944)
• Allow multiplication of SparsePauliOp and ParameterExpression (#10264)
• Pass manager refactoring: add passmanager module (#10124)
• Added classical_predecessors method (#9980)
• Allow to normalize inputs on StatePreparation and Initialize (#7189)
• Add more 1q and 2q Pauli rotation equivalences (#7407)
• Add standard 1q Pauli equivalences to standard library (#10300)
• add abs method to ParameterExpression (#9309)

Changed

• Enable Sabre for control flow circuits at O1 (#10371)
• Refactor output of OpenQASM 3 exporter to use fewer aliases (#10249)
• Remove cyclic-definition handling from Clifford.from_circuit (#10441)
• Use rustworkx version of token_swapper (#10001)
• Use stable Python C API for building Rust extension (#10120)
• Assign values directly to fully bound parameters in quantum circuits (#10183)
• Switch QuantumCircuit.from_qasm_str and from_qasm_file to new parser (#9955)
• Drop support for Python 3.7 (#10009)
• Set max_trials for VF2Layout in preset pass managers. (#10054)

Removed

• Remove list argument broadcasting and simplify transpile() (#10291)
• Remove deprecated InstructionSet circuit_cregs argument (#10302)
• Remove deprecations from mpl circuit drawer (#10020)

Fixed

• Fix UnassignedDurationError of update_from_instruction_schedule_map (#10447)
• Add Expr support to OpenQASM 3 exporter (#10408)
• Improve parameter-binding performance of large instructions (#10284)
• Add Expr support in DAGCircuit.substitute_node (#10382)
• Add Expr support to the control-flow builders (#10400)
• fix 1q matrix bug in Quantum Shannon Decomposer (#10126)
• Add mid-circuit measurement before conditional operation in random_circuit (#10401)
• Fix inner qubit mapping in UnitarySynthesis pass. (#10405)
• Fix plot legend don't show up when dataset start with zero (#10176)
• Fix deepcopy for new-style Bit (#10411)
• Fix DiagonalGate QPY serialisation (#10376)
• Add support for QuantumCircuit.layout to qpy (#10148)
• Fix CheckMap with control-flow builder nested conditionals (#10395)
• Fix VQD's optimal_values (#10279)
• Fix qasm export for gates with same name (#10286)
• Fix deprecation warnings emitted by import qiskit.primitives (#10287)
• Fix BasicSwap FakeRun Typo (#10274)
• Improve casting and error message for ParameterExpression (#10244)
• FullAncillaAllocation for backends witout a coupling map (#10240)
• Fix the output macros.measure with backendV2 (#10135)
• Fix QuantumCircuit.draw() not outputting pdf in latex mode (#10212)
• Fix output of DensityMatrix.partial_transpose to match input dimensions (#10163)
• Assign values directly to fully bound parameters in quantum circuits (#10183)
• Fix unitary synthesis for parameterized basis gates in Target (#10090)
• Fix PassManagerConfig.from_backend with BackendV1 and no CouplingMap (#10172)
• Fix top-level switch statements in QuantumCircuit.compose (#10164)
• Fixing BlockCollapser with Clbits (#9823)
• Fix initial_layout in transpile with loose qubits (#10153)
• Remove undefined variable (#10117)
• Fix wrong relative phase of MCRZ (#9836)
• Fix tweedledum runtime detection in BooleanExpression.from_dimacs_file (#10132)
• define getstate and setstate for OneQubitGateErrorMap (#10092)
• Add the qubit_coordinates_map for ibm_seattle (#10089)
• Switch QuantumCircuit.from_qasm_str and from_qasm_file to new parser (#9955)
• Fix interaction graph vf2 scoring to include 1q component (#10084)
• Set max_trials for VF2Layout in preset pass managers. (#10054) (#10061)
• Set max_trials for VF2Layout in preset pass managers. (#10054)
• Remove recursion from ConstrainedReschedule pass (#10051) (#10057)
• Remove recursion from ConstrainedReschedule pass (#10051)
• Fix for unintended rounding in 'state_to_latex' latex output (#9300) (#10048)
• Fix for unintended rounding in 'state_to_latex' latex output (#9300)
• Fix delay padding to respect target's constraints (#10007) (#10038)
• FIx 0q operation handling in Statevector (#10031) (#10039)
• circuit: narrow the return type of QuantumCircuit.assign_parameters (#10037)
• FIx 0q operation handling in Statevector (#10031)
• Allow decomposing composite gates by name (#9170)
• Fix delay padding to respect target's constraints (#10007)
• Use backend_compat module's convert to target (#10016)

Qiskit Terra 0.24.2

Release notes: https://qiskit.org/documentation/release_notes.html#terra-0-24-2

Changelog

Fixed

• fix 1q matrix bug in Quantum Shannon Decomposer (#10126) (#10446)
• Fix inner qubit mapping in UnitarySynthesis pass. (#10405) (#10431)
• Fix deepcopy for new-style Bit (#10411) (#10413)
• Fix DiagonalGate QPY serialisation (#10376) (#10412)
• Dispatch a builder with backendV1 and backendV2 (#10150) (#10265)
• Add support for QuantumCircuit.layout to qpy (#10148) (#10410)
• Fix CheckMap with control-flow builder nested conditionals (#10395) (#10397)
• Fix VQD's optimal_values (#10279) (#10312)
• Fix qasm export for gates with same name (#10286) (#10297)
• Improve casting and error message for ParameterExpression (#10244) (#10268)
• Fix deprecation warnings emitted by import qiskit.primitives (#10287) (#10290)
• Fix BasicSwap FakeRun Typo (#10274) (#10278)
• Fix the output macros.measure with backendV2 (#10135) (#10241)
• Fix QuantumCircuit.draw() not outputting pdf in latex mode (#10212) (#10217)
• Fix output of DensityMatrix.partial_transpose to match input dimensions (#10163) (#10215)

Qiskit Terra 0.24.1

Changelog

Changed

• Assign values directly to fully bound parameters in quantum circuits (#10183) (#10192)

Fixed

• Assign values directly to fully bound parameters in quantum circuits (#10183) (#10192)
• Fix unitary synthesis for parameterized basis gates in Target (#10090) (#10190)
• Fix PassManagerConfig.from_backend with BackendV1 and no CouplingMap (#10172) (#10181)
• Fix top-level switch statements in QuantumCircuit.compose (#10164) (#10180)
• Fixing BlockCollapser with Clbits (#9823) (#10173)
• Remove undefined variable (#10117) (#10152)
• Fix tweedledum runtime detection in BooleanExpression.from_dimacs_file (#10132) (#10137)
• Improve performance of ConstrainedReschedule pass (#10077) (#10093)
• Add the qubit_coordinates_map for ibm_seattle (#10089) (#10094)
• define getstate and setstate for OneQubitGateErrorMap (#10092) (#10095)
• Fix interaction graph vf2 scoring to include 1q component (#10084) (#10086)

Qiskit Terra 0.24.0

Release notes: https://qiskit.org/documentation/release_notes.html#terra-0-24-0

Changelog

Deprecated

• Deprecate QuantumInstance and Opflow (#9176)
• Deprecate PauliTable and StabilizerTable (#9547)
• Deprecate the BIPMapping transpiler pass in favor of external plugin (#9924)

Added

• Operator apply permutation (#9403)
• Add support to switch in transpile (#9928)
• plugin convenience function for getting the entry point object (#9275)
• Improve error messages on failed control-flow transpilation (#9049)
• add function to swap connected nodes in DAGCircuit (#9160)
• Adding global_phase gate in qiskit-terra (#9251)
• Add experimental OpenQASM 3 support for switch (#9916)
• Add partial transpose function in quantum_info (#9566)
• Add full path transpile() support for disjoint backends (#9840)
• providers/options: implement Mapping (#9704)
• Allow list of optimizers+initial points in VQD (#9151)
• AdaptVQE threshold improvements (#9921)
• Add max_trials parameter to VF2PostLayout. (#9963)
• new unroll for-loops transpilation pass (#9670)
• Add support for disjoint coupling maps to SabreLayout (#9802)
• Add constructor to build target from legacy transpiler model (#9255)
• Add Rust-based OpenQASM 2 converter (#9784)
• Add Clifford.from_matrix (#9475)
• Add support for pulse reference to QPY (#9890)
• Ensure we run VF2PostLayout when needed in optimization level 1 (#9941)
• Make all Layout and Routing passes target aware (#9263)
• Fix AmplitudeEstimation is silently ignoring is_good_state in the estimation problem (#9906)
• Add flag to filter faulty qubits and gates to BackendV2Converter (#9911)
• Add equivlences of ECR, SX and SXdg gates to the equivalence library (#9913)
• Adding HLS plugins for linear functions and cliffords (#9399)
• Add representation of "switch" (#9833)
• Synthesis of a stabilizer state for LNN connectivity (#9734)
• Add commutator functions to quantum_info (#9546)
• Add option to skip deepcopy on circuit_to_dag (#9848)
• Add MinimumPoint transpiler pass (#9612)
• Add public layout attribute to QuantumCircuit (#9486)
• Update pulse gate transpiler pass to use target. (#9587)
• Rearrange the gradient result based on the order of the input parameters (#9503)
• Add @deprecate_func and @deprecate_arg decorators (#9676)
• Add support to CouplingMap for disjoint qubits (#9710)
• Add option to skip deepcopy on dag_to_circuit (#9825)
• Improve Parameter handling in SparsePauliOp (#9796)
• new parameters in plot_bloch_multivector: figsize, font_size, and title_font_size (#7264)
• Alternative construction mechanism for HLS config (#9413)
• Add add_deprecation_to_docstring for docsite deprecation support (#9685)
• Oxidize the internals of Optimize1qGatesDecomposition (#9578)
• Synthesis of CZ and Clifford circuits for linear nearest neighbor connectivity (#9450)
• Added pulses to the SymbolicPulse library (#9625)
• Remove Sabre's manual insertion-order iteration and unnecessary sorts (#9560)
• Support for time-dependent Hamiltonians and observable evaluation in TrotterQRTE (#9565)
• Add flipping of swap to GateDirection pass (#9561)
• Add an equiv method to the StabilizerState class (#9543)
• two-qubit unitary synthesis adapted to errors and over-complete gatesets (#9175)
• Local fidelity (#9504)
• ensure equivalences work to RZX (#9507)
• Adds support to PassManager drawer to display stages (#9128)
• Add target support to basis, optimization, scheduling, and util passes (#9343)

Changed

• fixed issue 9453 by removing "_v2" from name in BackendV2 class (#9465)
• Update pulse gate transpiler pass to use target. (#9587)
• Implementing CouplingMap.eq (#9766)
• Remove Sabre's manual insertion-order iteration and unnecessary sorts (#9560)
• two-qubit unitary synthesis adapted to errors and over-complete gatesets (#9175)
• PhaseOracle and BooleanExpression allow setting the expression variable order (#6658)
• Bump MSRV to 1.61 and all rust dependencies to latest releases (#9393)

Removed

• Remove argument max_credits from execute and assemble (#9322)
• Remove faulty qubits and gates sections from transpile() (#9900)
• Remove deprecated methods and args in Primitives (#9480)
• Remove factorizers and linear solvers from algorithms (#9832)
• Remove TextDrawing arguments layout, global_phase, qregs, and cregs (#9323)
• Remove DagDepNode.condition (deprecated in #6110) (#9406)

Fixed

• Set max_trials for VF2Layout in preset pass managers. (#10054) (#10061)
• Remove recursion from ConstrainedReschedule pass (#10051) (#10057)
• Fix for unintended rounding in 'state_to_latex' latex output (#9300) (#10048)
• Fix delay padding to respect target's constraints (#10007) (#10038)
• FIx 0q operation handling in Statevector (#10031) (#10039)
• Bug fix macros.measure with backendv2 (#9987)
• Fix circuit drawer for instructions with circuit parameters (#9942)
• Refactor OpenQASM 2 exporter (#9953)
• Prepare qiskit/transpiler/graysynth.py for deprecation in next release (#9795)
• Fix handling of numpy integers in marginal_distribution() (#9976)
• Correctly error on incorrect clbits in QuantumCircuit.append (#9386)
• Bug fix in template optimization, and minor cleanup (#9541)
• Ensure we run VF2PostLayout when needed in optimization level 1 (#9941)
• Fix AmplitudeEstimation is silently ignoring is_good_state in the estimation problem (#9906)
• Fixed IQAE bug mentioned in issue 9280 (#9887)
• Fix QuantumCircuitData handling of Operation (#9881)
• Fixed handling of a list of coupling_maps passed to transpile() (#9886)
• Fix UnrollCustomDefinitions handling of empty definitions (#9899)
• Fix a bug in QuantumCircuit.draw related to vertical_compression (#9855)
• Fix string formatting (#9540)
• Fix mypy errors (circuit) (#8267)
• Fix non-complex dtypes in OneQubitEulerDecomposer methods (#9828)
• transpile: narrow the return type depending on the circuits argument (#9799)
• fix qasm with reset (#9819)
• Clip probabilities in QuantumState (#9762)
• Remove implicit broadcasting from Pauli/label construction of PauliList (#9779)
• Fix basis_gates and coupling_map backend override in transpile() (#9789)
• Fix explicitly calibrated gates in GateDirection (#9786)
• Fix Parameter.is_real() (#9664)
• Qiskit gates not qelib1.inc are now defined when dumped (#9777)
• Fix zero-qubit Pauli label strings (#9726)
• Fix bitstring padding in the BackendSampler (#9744)
• Add inverse method to ECRGate (#9733)
• Fix handling of BackendV1 simulators in PassManagerConfig.from_backend (#9719)
• Fix qpy import of circuit with StatePreparation (#9665)
• Fix wrong argument supplied to _identity_op() (#9201)
• Stop raising AttributeError when accessing missing calibration (#9681)
• Fix escaping of identifiers in OQ3 output (#9660)
• Fix typing error in random_circuit conditionals (#9651)
• Fix bug in backend primitives with bound_pass_manager (#9629)
• Fix inverse of SdgGate in Solovay Kitaev (#9635)
• Add the gates ECR, iSwap, CY, SX, SXdg, DCX to the Clifford class (#9623)
• Fix handling of simulator backends in BackendV2Converter (#9630)
• Add TranspileErrors to routing passes for coupling_map=None (#7141)
• Fix VQD with SPSA optimizer (#9538)
• Update Target to use CalibrationEntry to create inst map (#9597)
• Retain all deprecated Bit properties in QPY roundtrip (#9525)
• Fix sparse matrix conversion for SciPy<Real/Imaginary>Evolver (#9598)
• Fix NumPy(Minimum)Eigensolver for sparse matrices (#9575)
• Make BarrierBeforeFinalMeasurements deterministic (#9568)
• Fix C3SXGate roundtrip in OpenQASM 2 (#9183)
• Remove deprecated arguments (#9542)
• Fix typo in Target (#9473)
• Bug fix on QNSPSA (#9483)
• Bug fix property and methods of BackendV2Converter (#9502)
• Fix bad deprecation of Register.name_format (#9494)
• Manage edge case of pickling instmap. (#9487)
• Fix performance of ReverseEstimatorGradient for partial gradients (#9491)
• Fix add_calibration bug (#9223) (#9451)
• Fix add_calibration bug (#9223)
• Fix PauliOp.adjoint() (#9434) (#9443)
• Fix PauliOp.adjoint() (#9434)
• Fix qpy for MCX gates (#9391) (#9412)
• Fix qpy for MCX gates (#9391)
• Fix TensoredOp.to_matrix with global coefficients (#9404) (#9408)
• Fix the AmplitudeEstimator algorithms for primitive usage (#9394) (#9407)
• Fix TensoredOp.to_matrix with global coefficients (#9404)
• Fix the AmplitudeEstimator algorithms for primitive usage (#9394)

Qiskit Terra 0.24.0rc1

Changelog

Deprecated

• Deprecate QuantumInstance and Opflow (#9176)
• Deprecate PauliTable and StabilizerTable (#9547)
• Deprecate the BIPMapping transpiler pass in favor of external plugin (#9924)

Added

• Operator apply permutation (#9403)
• Add support to switch in transpile (#9928)
• plugin convenience function for getting the entry point object (#9275)
• Improve error messages on failed control-flow transpilation (#9049)
• add function to swap connected nodes in DAGCircuit (#9160)
• Adding global_phase gate in qiskit-terra (#9251)
• Add experimental OpenQASM 3 support for switch (#9916)
• Add partial transpose function in quantum_info (#9566)
• Add full path transpile() support for disjoint backends (#9840)
• providers/options: implement Mapping (#9704)
• Allow list of optimizers+initial points in VQD (#9151)
• AdaptVQE threshold improvements (#9921)
• Add max_trials parameter to VF2PostLayout. (#9963)
• new unroll for-loops transpilation pass (#9670)
• Add support for disjoint coupling maps to SabreLayout (#9802)
• Add constructor to build target from legacy transpiler model (#9255)
• Add Rust-based OpenQASM 2 converter (#9784)
• Add Clifford.from_matrix (#9475)
• Add support for pulse reference to QPY (#9890)
• Ensure we run VF2PostLayout when needed in optimization level 1 (#9941)
• Make all Layout and Routing passes target aware (#9263)
• Fix AmplitudeEstimation is silently ignoring is_good_state in the estimation problem (#9906)
• Add flag to filter faulty qubits and gates to BackendV2Converter (#9911)
• Add equivlences of ECR, SX and SXdg gates to the equivalence library (#9913)
• Adding HLS plugins for linear functions and cliffords (#9399)
• Add representation of "switch" (#9833)
• Synthesis of a stabilizer state for LNN connectivity (#9734)
• Add commutator functions to quantum_info (#9546)
• Add option to skip deepcopy on circuit_to_dag (#9848)
• Add MinimumPoint transpiler pass (#9612)
• Add public layout attribute to QuantumCircuit (#9486)
• Update pulse gate transpiler pass to use target. (#9587)
• Rearrange the gradient result based on the order of the input parameters (#9503)
• Add @deprecate_func and @deprecate_arg decorators (#9676)
• Add support to CouplingMap for disjoint qubits (#9710)
• Add option to skip deepcopy on dag_to_circuit (#9825)
• Improve Parameter handling in SparsePauliOp (#9796)
• new parameters in plot_bloch_multivector: figsize, font_size, and title_font_size (#7264)
• Alternative construction mechanism for HLS config (#9413)
• Add add_deprecation_to_docstring for docsite deprecation support (#9685)
• Oxidize the internals of Optimize1qGatesDecomposition (#9578)
• Synthesis of CZ and Clifford circuits for linear nearest neighbor connectivity (#9450)
• Added pulses to the SymbolicPulse library (#9625)
• Remove Sabre's manual insertion-order iteration and unnecessary sorts (#9560)
• Support for time-dependent Hamiltonians and observable evaluation in TrotterQRTE (#9565)
• Add flipping of swap to GateDirection pass (#9561)
• Add an equiv method to the StabilizerState class (#9543)
• two-qubit unitary synthesis adapted to errors and over-complete gatesets (#9175)
• Local fidelity (#9504)
• ensure equivalences work to RZX (#9507)
• Adds support to PassManager drawer to display stages (#9128)
• Add target support to basis, optimization, scheduling, and util passes (#9343)

Changed

• fixed issue 9453 by removing "_v2" from name in BackendV2 class (#9465)
• Update pulse gate transpiler pass to use target. (#9587)
• Implementing CouplingMap.eq (#9766)
• Remove Sabre's manual insertion-order iteration and unnecessary sorts (#9560)
• two-qubit unitary synthesis adapted to errors and over-complete gatesets (#9175)
• PhaseOracle and BooleanExpression allow setting the expression variable order (#6658)
• Bump MSRV to 1.61 and all rust dependencies to latest releases (#9393)

Removed

• Remove argument max_credits from execute and assemble (#9322)
• Remove faulty qubits and gates sections from transpile() (#9900)
• Remove deprecated methods and args in Primitives (#9480)
• Remove factorizers and linear solvers from algorithms (#9832)
• Remove TextDrawing arguments layout, global_phase, qregs, and cregs (#9323)
• Remove DagDepNode.condition (deprecated in #6110) (#9406)

Fixed

• Bug fix macros.measure with backendv2 (#9987)
• Fix circuit drawer for instructions with circuit parameters (#9942)
• Refactor OpenQASM 2 exporter (#9953)
• Prepare qiskit/transpiler/graysynth.py for deprecation in next release (#9795)
• Fix handling of numpy integers in marginal_distribution() (#9976)
• Correctly error on incorrect clbits in QuantumCircuit.append (#9386)
• Bug fix in template optimization, and minor cleanup (#9541)
• Ensure we run VF2PostLayout when needed in optimization level 1 (#9941)
• Fix AmplitudeEstimation is silently ignoring is_good_state in the estimation problem (#9906)
• Fixed IQAE bug mentioned in issue 9280 (#9887)
• Fix QuantumCircuitData handling of Operation (#9881)
• Fixed handling of a list of coupling_maps passed to transpile() (#9886)
• Fix UnrollCustomDefinitions handling of empty definitions (#9899)
• Fix a bug in QuantumCircuit.draw related to vertical_compression (#9855)
• Fix string formatting (#9540)
• Fix mypy errors (circuit) (#8267)
• Fix non-complex dtypes in OneQubitEulerDecomposer methods (#9828)
• transpile: narrow the return type depending on the circuits argument (#9799)
• fix qasm with reset (#9819)
• Clip probabilities in QuantumState (#9762)
• Remove implicit broadcasting from Pauli/label construction of PauliList (#9779)
• Fix basis_gates and coupling_map backend override in transpile() (#9789)
• Fix explicitly calibrated gates in GateDirection (#9786)
• Fix Parameter.is_real() (#9664)
• Qiskit gates not qelib1.inc are now defined when dumped (#9777)
• Fix zero-qubit Pauli label strings (#9726)
• Fix bitstring padding in the BackendSampler (#9744)
• Add inverse method to ECRGate (#9733)
• Fix handling of BackendV1 simulators in PassManagerConfig.from_backend (#9719)
• Fix qpy import of circuit with StatePreparation (#9665)
• Fix wrong argument supplied to _identity_op() (#9201)
• Stop raising AttributeError when accessing missing calibration (#9681)
• Fix escaping of identifiers in OQ3 output (#9660)
• Fix typing error in random_circuit conditionals (#9651)
• Fix bug in backend primitives with bound_pass_manager (#9629)
• Fix inverse of SdgGate in Solovay Kitaev (#9635)
• Add the gates ECR, iSwap, CY, SX, SXdg, DCX to the Clifford class (#9623)
• Fix handling of simulator backends in BackendV2Converter (#9630)
• Add TranspileErrors to routing passes for coupling_map=None (#7141)
• Fix VQD with SPSA optimizer (#9538)
• Update Target to use CalibrationEntry to create inst map (#9597)
• Retain all deprecated Bit properties in QPY roundtrip (#9525)
• Fix sparse matrix conversion for SciPy<Real/Imaginary>Evolver (#9598)
• Fix NumPy(Minimum)Eigensolver for sparse matrices (#9575)
• Make BarrierBeforeFinalMeasurements deterministic (#9568)
• Fix C3SXGate roundtrip in OpenQASM 2 (#9183)
• Remove deprecated arguments (#9542)
• Fix typo in Target (#9473)
• Bug fix on QNSPSA (#9483)
• Bug fix property and methods of BackendV2Converter (#9502)
• Fix bad deprecation of Register.name_format (#9494)
• Manage edge case of pickling instmap. (#9487)
• Fix performance of ReverseEstimatorGradient for partial gradients (#9491)
• Fix add_calibration bug (#9223) (#9451)
• Fix add_calibration bug (#9223)
• Fix PauliOp.adjoint() (#9434) (#9443)
• Fix PauliOp.adjoint() (#9434)
• Fix qpy for MCX gates (#9391) (#9412)
• Fix qpy for MCX gates (#9391)
• Fix TensoredOp.to_matrix with global coefficients (#9404) (#9408)
• Fix the AmplitudeEstimator algorithms for primitive usage (#9394) (#9407)
• Fix TensoredOp.to_matrix with global coefficients (#9404)
• Fix the AmplitudeEstimator algorithms for primitive usage (#9394)

Qiskit Terra 0.23.3

Changelog

Fixed

• Fix non-complex dtypes in OneQubitEulerDecomposer methods (#9828) (#9829)
• fix qasm with reset (#9819) (#9826)
• Clip probabilities in QuantumState (#9762) (#9812)
• Improve error messages in Target-based GateDirection pass (#9787) (#9791)
• Fix basis_gates and coupling_map backend override in transpile() (#9789) (#9792)
• Fix explicitly calibrated gates in GateDirection (#9786) (#9788)
• Qiskit gates not qelib1.inc are now defined when dumped (backport #9777) (#9778)
• Fix bitstring padding in the BackendSampler (#9744) (#9745)
• transpiler/1q_decomposition: fix circuit score for zero gate errors (#9701)
• Add inverse method to ECRGate (#9733) (#9738)
• Fix handling of BackendV1 simulators in PassManagerConfig.from_backend (#9719) (#9725)
• Fix qpy import of circuit with StatePreparation (#9665) (#9711)
• Fix wrong argument supplied to _identity_op() (#9201) (#9703)
• Stop raising AttributeError when accessing missing calibration (#9681) (#9683)
• Fix escaping of identifiers in OQ3 output (#9660) (#9673)
• Fix typing error in random_circuit conditionals (#9651) (#9656)
• Fix bug in backend primitives with bound_pass_manager (#9629) (#9652)