Release notes: https://qiskit.org/documentation/release_notes.html#relnotes-0-45-0
Changelog
Deprecated
- Pass manager refactoring: cleanup internals (10127)
- Deprecate passing `None` to `DAGCircuit` appenders (10752)
- Deprecate Unroller pass (10607)
- Fix deprecation warning of unscheduled circuits in timeline drawer (10851)
- Deprecation of algorithm utils (`algorithm_globals` and `validation`) (10905)
- Deprecate `bind_parameters` in favor of `assign_parameters` (10792)
- Move OpenQASM 2 exporter to `qiskit.qasm2` (10533)
- Deprecate ``qiskit.extensions`` (10725)
- Deprecate duplicate circuit gate method (10797)
Added
- Merging `UnrollCustomDefinitions` into `HighLevelSynthesis` as a single pass (10965)
- Add UnitaryOverlap to the circuit library (10734)
- schedule() considers instruction map (10988)
- Pass manager refactoring: cleanup internals (10127)
- Add display of expressions to circuit drawers (10869)
- Singleton parameterless controlled gates (10898)
- Starting layout analysis pass for sabre (10829)
- Rewrite singleton handling including `SingletonInstruction` (11014)
- Annotated operations (9846)
- Add `apply_layout` method to `SparsePauliOp` (10947)
- Fix hash of `Parameter` and `ParameterExpression` (10875)
- Fix deprecated behaviour in timeline drawer (10846)
- Improve the ergonomics of the TranspileLayout class (10835)
- Add `check_input` option to `UnitaryGate` (10660)
- Fix `MergeAdjacentBarriers` to scale with number of barriers (10900)
- Add `use_symengine` option to `qpy.dump` (10820)
- Update plot_gate_map() family to leverage graphviz for visualization (10208)
- 10360 New sign feature in parameterexpression.py (10571)
- adding an option to CouplingMap.reduce to allow disconnected coupling maps (10863)
- Use singletons for standard library unparameterized, non-controlled gates (10314)
- Optimise `QuantumCircuit.assign_parameters` for single-parameter binding (10548)
- Add fast path to `Parameter.assign` (10549)
- Add option to SabreLayout to specify starting layouts (10721)
- Allow empty list default initialization for `SparsePauliOp` (10765)
- Add fast-path construction to `DAGCircuit` methods (10753)
- Use BasisTranslator for unroll 3q or more (10776)
- Move OpenQASM 2 exporter to `qiskit.qasm2` (10533)
- Add display of internal circuits for ControlFlowOps to text drawer (10414)
- Optimization stage as a plugin. (10581)
- constructing cliffords from linear functions and permutation gates (10423)
- Adding ``coupling-map`` and ``target`` to ``HighLevelSynthesis`` (10477)
- Add `draw` method to `Operator` class (10271)
- Add tests of `Expr` support through `SabreSwap` (10511)
- Add full `Expr` support to `StochasticSwap` (10506)
- limiting matrix-based commutativity check (10495)
- Revert "Revert "Pass manager refactoring: add passmanager module (10124)" (10454)" (10474)
- Add IGate rules to standard equivalence library (7146)
- Add NormalizeRXAngle and RXCalibrationBuilder passes (10634)
- Preparations to update the default MPL drawer style to ``"iqx"`` (10950)
Changed
- Pass manager refactoring: cleanup internals (10127)
- Deprecate Unroller pass (10607)
- Singleton parameterless controlled gates (10898)
- Pin Numpy < 2 in requirements (10893)
- Update plot_gate_map() family to leverage graphviz for visualization (10208)
- Use singletons for standard library unparameterized, non-controlled gates (10314)
- Adding h, p and u to basic aer (10673)
- qiskit-terra == qiskit, in version libraries (10425)
- Keep resets at beginning of circuits (10591)
- Migrate init stage to plugins (10689)
- Migrate layout stage to plugins (10622)
- Cleaning up U3 in the unitary extension (10597)
- Update minimum Rust version to 1.64 (10541)
- Revert "Revert "Pass manager refactoring: add passmanager module (10124)" (10454)" (10474)
Removed
- Removed code deprecated in 0.22 [transpiler and providers] (10872)
- Removed code deprecated in qiskit-terra 0.21, released on June 2022 (10754)
- removed deprecated PauliTable, StabilizerTable and tests (10815)
- Remove code deprecated in 0.15 (10779)
- Remove deprecated `x` and `z` arguments to `Pauli` (10717)
- Removed deprecated functions in qiskit.scheduler.utils (10879)
- remove qiskit.utils.deprecation.deprecate_function, deprecated in terra 0.22 (10881)
- Remove quantum_info deprecated code in 0.22 (10861)
- Remove deprecated code in 0.19 (10791)
- Removed code deprecated in 0.20 (10767)
- Remove deprecated BIPMapping pass (10526)
- Removal of deprecated property num_ancilla_qubits (10793)
Fixed
- Fix input normalisation of `transpile(initial_layout=...)` (11031)
- Add base-gate callback to `CUGate.params` return (11032)
- Fix build filter coupling map with mix ideal/physical targets (11009)
- schedule() considers instruction map (10988)
- Fix commutation analysis to group gates into blocks of pairwise commuting gates (10618)
- NoiseAdaptiveLayout to consider inconsistencies in backend (10859)
- Use only discrete-basis translations in `GateDirection` (10786)
- Fix qpy for controlled `UnitaryGate` (10809)
- Add global-phase support to control-flow builders (10800)
- BackendEstimator support BackendV2 without coupling_map (10956)
- Fix hash of `Parameter` and `ParameterExpression` (10875)
- Fix IQX color schemes (10941)
- Support dynamic circuit in BackendEstimator (9700)
- Avoid useless deepcopy of target with custom pulse gates in transpile (10973)
- Fix bug in qs_decomposition (10850)
- Fix issues with ControlFlowOp displays (10842)
- Fix Clifford.from_operator to fail with non-Clifford diagonal operators (10904)
- Support passing empty lists to Pauli delete method (10849)
- fix random statevector distribution (10866)
- Allow dynamical decoupling pass to work on circuits with pulse gates (10834)
- Fix GateDirection pass (10825)
- Fix `qpy` for multiple controlled parametrized gates (10758)
- Track Sabre decay heuristic on physical qubits (10756)
- Handle final comments with no terminating newline in OpenQASM 2 (10773)
- Support new-style Bit in Pauli convertor from QuantumCircuit (10757)
- Add validation to Sampler if there are no measurements (10642)
- Fix performance of Sabre rust<->Python boundary (10652)
- Fix classical-synthesis label ordering with `registerless=False` (9536)
- Reject bad values in `SparsePauliOp.paulis` setter (10437)
- Fixing the tools for plotting Pauli vec (10619)
- Fix open circles and visual circuit tests to .9999 (10580)
- Fix multiple nested custom controlled gates in QPY (10537)
- Implemented a type check in copy method of QuantumCircuit class (10521)
- Force decimal points in OpenQASM 2 floats (10532)
- limiting matrix-based commutativity check (10495)
- Fix final_layout when VF2PostLayout finds a better layout (10466)
- Fix empty-barrier handling in OpenQASM 2 (10469)
- Fix Pulse channel index validation (10476)
- raise an exception with a custom gate with clbits or no qubits (10438)