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

Changelog

Deprecated

• Deprecate qiskit/quantum_info/synthesis and move to qiskit/synthesis (#11460)
• Deprecate qiskit/transpiler/synthesis and move to qiskit/synthesis (#11426)
• Move EvolvedOperatorAnsatz to NLocal directory (#11385)
• Remove validation methods from primitive base classes (#11052)
• Deprecate legacy primitive attributes in base classes (#11051)
• Deprecate the discrete pulse library (#11110)

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)

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)