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qiskit

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An open-source SDK for working with quantum computers at the level of extended quantum circuits, operators, and primitives.

Last release 2 days ago
02 Oct 2026
Ships fairly regularly
a new release about every 3 weeks
Most releases are documented
notes for 48 of the last 60 stable releases
2 versions withdrawn
withdrawn after publishing
9 years old
209 releases · first in 2017

Release timeline

209 releases since 2017

2017201920212023

Releases

0.46.220 Jun 2024
[0.46] Finalise support for Numpy 2.0
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)
Open source →
0.46.18 Mar 2024
Remove old graph structure during EquivalenceLibrary.set_entry
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)

0.46.01 Feb 2024Deprecated

Deprecate pulse parameter scoping

Release notes: https://docs.quantum.ibm.com/api/qiskit/release-notes/0.46

Changelog

Deprecated

Remove validation methods from primitive base classes (backport #11052) (#11532)
Deprecate visualization code (#11636)
Deprecate pulse parameter scoping (#11691)
Legacy code deprecation in pass manager (#11449)
Deprecate NoiseAdaptiveLayout and CrosstalkAdaptiveSchedule (#11402)
Deprecate qiskit.tools (#11514)
Deprecate provider-specific fake backends,FakeProvider class and related tools in 0.46 (#11381)
Add warning when qiskit package not installed (#11230)
Deprecate BasicAer and introduce BasicProvider (#11583)
Deprecate qiskit/quantum_info/synthesis and move to qiskit/synthesis (backport #11460) (#11635)
Deprecate qiskit/transpiler/synthesis and move to qiskit/synthesis (backport #11426) (#11624)
Deprecate PauliList estimator observables (#11520)
Deprecate ConfigurableFakeBackend (#11567)
Deprecate execute() (#11044)
deprecate qiskit.test (#11001)
Deprecate qiskit.Aer and qiskit.providers.aer (#11439)
Deprecate implicit Estimator conversion to SparsePauliOp (#11535)
Deprecate legacy qcstyle (#11545)
Deprecate BasePrimitiveResult (#11054)
Deprecate extensions on stable/0.46 (#11498)
Deprecate legacy qasm2 parser for 0.46 (#11347)
Deprecate Qobj input to UnitarySimulatorPy.run (#11394)
deprecate legacy pulse builder command (#11249)
Deprecate leftover algorithm/opflow utils (#11323)
Deprecate ParametricPulse (#11279)
Deprecate the discrete pulse library (#11110) (#11265)

Added

Add fake generic and modify tests (backport #10266) (#11670)
Deprecate BasicAer and introduce BasicProvider (#11583)
Deprecate qiskit/quantum_info/synthesis and move to qiskit/synthesis (backport #11460) (#11635)
Add support for Python 3.12 (#11262) (#11311)

Changed

Poison import if Qiskit 1.0+ is detected (#11617)
Add warning when qiskit package not installed (#11230)

Fixed

Fix qpy support for Cliffords (#11495) (#11582)
Fix a bug of missing pulse library entry in PulseQobj parsing (backport #11397) (#11573)
Fix broadcasting of QuantumCircuit.delay (#11447) (#11523)
Fix global-phase of copied BlueprintCircuits (#11456) (#11485)
Fix text overwriting end of box for empty default case in mpl drawer (#11366) (#11482)
Fix a bug is StabilizerState repr (#11368) (#11416)
Fixed bug in OptimizeSwapBeforeMeasure (#11413) (#11415)
Don't substitute ideal gates in target with Optimize1qGatesDecomposition (#11351) (#11359)
Update Instruction.condition_bits for runtime classical expressions (#11325) (#11328)
Fix backend_util.py and test cases to support Aer 0.13 (#11172) (#11283)
Fix issue with ScheduleBlock qpy serialization and use_symengine (#11261) (#11275)
Allow correct retrieval of circuit with initialize instruction from qpy file (#11206) (#11274)
Fix QuantumCircuit.barrier argument conversion (#11272) (#11273)
Fix pickling of conditioned custom gates from OpenQASM 2 import (#11175) (#11258)
Fix Channel.__hash__ in multiprocessing contexts (#11251) (#11255)
Allow barriers in overlap circuit inputs (#11179) (#11216)
Fix circuit drawer returning qubit[register] names for input (#11096) (#11199)

Open source →

0.45.03 Nov 2023Deprecated

Deprecate passing None to DAGCircuit appenders

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)

Open source →

0.45.0rc119 Oct 2023pre-releaseDeprecated

Deprecate passing None to DAGCircuit appenders

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)

Open source →

0.25.02 Apr 2021Deprecated

Add deprecation warning to algs module

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)

Open source →

0.24.04 Mar 2021Deprecated

Deprecate QuantumInstance and Opflow

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)

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