Qiskit-terra

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

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 `Var`s 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)

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 `Var`s 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)

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) (https://github.com/Qiskit/qiskit/pull/11875)
* Fix improper handling of `BindingsArray` in `EstimatorPub.coerce()` (11871) (https://github.com/Qiskit/qiskit/pull/11881)
* Fix transpilation of control flow to no hardware (11907) (https://github.com/Qiskit/qiskit/pull/11915)
* Fix type hint and doc of `StatevectorEstimator.default_precision` (11910) (https://github.com/Qiskit/qiskit/pull/11918)
* Fix handling of control flow instructions in convert_to_target() (11877) (https://github.com/Qiskit/qiskit/pull/11884)
* Bugfix for missing qubit property (11880) (https://github.com/Qiskit/qiskit/pull/11927)
* Fix performance issue in parsing bit indices in QPY (11944) (https://github.com/Qiskit/qiskit/pull/11945)
* Remove old graph structure during `EquivalenceLibrary.set_entry` (11959) (https://github.com/Qiskit/qiskit/pull/11962)
* Fix improper handling of BindingsArray in SamplerPub.coerce() (11913) (https://github.com/Qiskit/qiskit/pull/11920)
* Fix Observables.coerce() for 0-d inputs (11868) (https://github.com/Qiskit/qiskit/pull/11876)
* Fix evolved operator ansatz (11682) (https://github.com/Qiskit/qiskit/pull/11965)

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)

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 `BlueprintCircuit`s (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)