Changelog

Fixed

• Sum VF2Layout average errors in a deterministic order (#16732) (#16761)
• Fix add/sub optimizations including the same symbols (backport #16752) (#16759)
• Reimplement SymbolExpr::eval to be iterative (backport #16756) (#16758)
• dagcircuit: transfer DAG-level variables in substitute_node_with_dag (#15542) (#16744)
• Fix memory leak in Suzuki-Trotter synthesis (#16687) (#16739)
• Fix OptimizeCliffordT producing non-unitarily-equivalent output when basis excludes sx/sxdg (#16729) (#16735)
• Parameter expression bugfixes (backport #16283) (#16714)
• Update to rsgridsynth 0.2.2 (backport #16685) (#16711)
• Fix potential panic in DAGCircuit.depth by bumping rustworkx-core to 0.18.1 (#16686) (#16715)
• Preserve StatePreparation width in inverse (#16431) (#16681)
• Fix circuit drawing layer overlaps inside of ControlFlowOps (#16639) (#16659)
• Fix non-determinism in DAGCircuit::remove_qubits (#16656) (#16658)

Changelog

Fixed

• Fix serial_layers global phase copying (#16362) (#16647)
• Fix transpiler error message with routing_pass when layout_trials or swap_trials is set (#16637) (#16644)
• Fix deadlock in Optimize1qGatesDecomposition (#16592) (#16645)
• Clarify error message about gate missing from WrapAngleRegistry (#16633) (#16635)
• Fix sx resynthesis of negative angles in CommutativeCancellation (#16599) (#16615)
• Fix tautological boolean oracle synthesis (#16530) (#16543)

Changelog

Added

• A multi-IR staged pass manager (#16418)
• Allow 32-bit registers in classical.expr system (#16449)
• Add C API for inspecting control flow instructions (#16179)
• Add register query functions to the C API (#16177)
• Var-based measurement experiments (#16273)
• Add C API for inspecting classical expressions (#16178)
• Use GateCount over Depth in Clifford+T pipeline (#16218)
• Add QuantumCircuit method to compute estimated fidelity (#16292)
• Add C API for two qubit unitary peephole optimization pass (#16088)
• Extend litinski transformation for all Pauli rotations (#15974)
• Add additional Z and X rotation gate handling to CommutativeCancellation (#16191)
• Add PBC transpilation pipeline (#16270)
• Add Custom Gates/Instructions in Rust (#15684)
• Add QubitSparsePauliList.commutes (#16194)
• extend ConvertToPauliProductRotations to PPRs and PPMs (#16306)
• Expose qk_{circuit, dag}_global_phase in the C API (#16278)
• Add generate_clifford_t_pass_manager (#15918)
• Make uuid public on ParameterVector (#16216)
• Add DAG-based variant of BasisTranslator transpiler pass in C API (#15783)
• Add new multithreaded TwoQubitPeepholeOptimization pass (#13419)
• Improve single-qubit gate count in TwoQubitControlledUDecomposer (#16123)
• Track PauliLindbladMap generators during parity_sample (#16072)
• Add auto-generated ctypes bindings to C API (#16067)
• make plot_bloch_vector accept tuple input (#16103)
• Improve commutation checking of Pauli product rotations and measurements (#15815)
• Add option to set the seed_transpiler from environment (#16001)
• Enable try_matrix & friends for PPR and PPM (#16011)
• Add control flow support to ConvertToPauliRotations (#15941)
• Convert Sabre's lookahead to layer-based tracking (#14911)
• Support commutation check between Pauli-based gates and standard gates (After reverting #15488) (#15925)
• Extend RemoveIdentityEquivalent and CommutativeOptimization with PauliProductRotations (#15810)
• Support commutation check between Pauli-based gates and standard gates (#15488)
• Support phase gates in LitinskiTransformation (#15773)

Fixed

• Fix OverflowError in QuantumCircuit.for_loop for negative integers in list indexset (#16432) (#16525)
• Fix Initialize.gates_to_uncompute for integer inputs (#16492) (#16519)
• Fix qasm3 experimental exporter delay units for ms and ps (#16233) (#16477)
• Fix incorrect global phase shift for P and U1 gates in CommutativeCancellation (#16402) (#16509)
• Add duration for reset to GenericBackendV2 (#16442)
• Fixes #16166: Preserve global_phase in dagdependency_to_circuit (#16323)
• Have SynthesizeRZRotations clear rsgridsynth global caches (#16392)
• Correctly combining control modifiers in OptimizeAnnotated (#16428)
• Fix stack-overflow segfault in OpenQASM 2 expression parsers (#16421)
• Fix MultiplierGate truncated result decomposition (#16394)
• Fix CommutationChecker for controlled rotation gates (#16337)
• Fix BitArray bitcount padding handling (#16309)
• Fix determinism in ConsolidateBlocks (#16237)
• Fix redundant unit numerator in pi_check pi fractions (#16175)
• Remove QPY warning on deserialising incomplete ParameterVectors (#16222)
• Fix composing virtual permutation layouts for ElidePermutations and StarPreRouting (#13945)
• QPY: Pauli Product Measurement/Rotation parameter fix (#16294)
• Reject loopback edges in CouplingMap (#16310)
• fix: Ensure there is no subtraction panic via underflow (#16249)
• Fix panic on 1.0 error in VF2Layout (#16285)
• Fix ConstrainedReschedule barrier handling (#16151)
• Initialize ConstrainedReschedule.target unconditionally (#16246)
• Sorts gate array to have deterministic gate selection (#16139)
• Fix UnrollForLoops global phase accumulation (#16201)
• Fix Statevector.evolve modifying input state in-place (Fixes 15750) (#15905)
• Fix Commuting2qGateRouter global phase handling (#16215)
• Fix InverseCancellation for symmetric pairs (#16153)
• Adding LinearFunction.inverse (#16203)
• Fix invalid simplification of XXPlusYY gates in CommutativeOptimization (#16163)
• Add safe shape checking to synth_cz_depth_line_mr (#16154)
• fix(library): clifford_6_4 template missing global_phase causes silent rejection (#15944)
• make plot_bloch_vector accept tuple input (#16103)
• Fix QPY loading delay integers durations incorrectly (#16076)
• Fix forced block consolidation for incomplete basis sets (#16075)
• Add option to set the seed_transpiler from environment (#16001)
• Fix panic in RemoveIdentityEquivalent with ParameterVector global phase (#16054)
• Fixed commutation checking between two Pauli product measurements (backport #16023) (#16040)
• Fixed commutation checking between two Pauli product measurements (#16023)
• Avoid triggering register/layout warning in remove_final_measurements (#16026) (#16037)
• Avoid triggering register/layout warning in remove_final_measurements (#16026)
• Fix C transpiler level 3 optimisation loop (#15967) (#16008)
• Fix C transpiler level 3 optimisation loop (#15967)
• Producing correct QFT circuits over linear connectivity with 32 or more qubits (#16004) (#16007)
• Producing correct QFT circuits over linear connectivity with 32 or more qubits (#16004)
• Fix TemplateOptimization dropping the global_phase on substitution (#15943)
• Reimplementing QSD using faer instead of nalgebra. (#15874)
• Rewrite QPY ParameterExpression handling in pure Polish form (#15934) (#15961)
• Rewrite QPY ParameterExpression handling in pure Polish form (#15934)
• Support commutation check between Pauli-based gates and standard gates (After reverting #15488) (#15925)
• Correctly enforce matrix size check in CommutationChecker (#15933) (#15936)
• Correctly enforce matrix size check in CommutationChecker (#15933)
• Support commutation check between Pauli-based gates and standard gates (#15488)
• QPY Rust and Python compatibility fixes (#15847) (#15887)
• QPY Rust and Python compatibility fixes (#15847)
• Remove unwanted remapping (#15872) (#15885)
• Remove unwanted remapping (#15872)
• Fix: BasisTranslator processing of nested ControlFlowOp (#15875) (#15884)
• Fix: BasisTranslator processing of nested ControlFlowOp (#15875)
• Fix: Initialize.inverse() now raises CircuitError immediately (#15782) (#15848)
• Fix: Initialize.inverse() now raises CircuitError immediately (#15782)

Changed

• Bumpy minimum NumPy version to 2.0 (#16243)
• Write policy on dependency versioning (#16239)

Deprecated

• Deprecations in qs_decomposition: opt_a* are not needed and decomposer_*q restrictions (#16158)
• Remove the commutation cache from the commutation checker (#15988)

Build System

• Bump setuptools-rust to 1.13 (#16500) (#16516)
• Use stestr to prune its own history in CI jobs (#16364)
• Add C-API slot-assignment compatibility check (#16301)
• Add slot-listing command to bindgen-cli (#16289)
• Rename bindgen-c to bindgen-cli (#16096)
• Add option to use mimalloc as global allocator (#16024)
• Bump MSRV to 1.87 and nalgebra to the 0.34 release (#16045)

Performance

• Fix cache and prediction misses in Target::qargs (#16476) (#16479)
• Update Sabre extended set on-the-fly (#14912)
• Use GateCount over Depth in Clifford+T pipeline (#16218)
• Move ParameterVector to Rust (#16228)
• Parallelize unitary synthesis (#16275)
• Use toposort instead of topological_op_nodes for DAG reconstruction (#15987)
• Perform ConsolidateBlocks analysis in parallel (#16230)
• Make Optimize1qGatesDecomposition multithreaded (#15567)
• Use np.bitwise_count in BitArray.bitcount (#15836)
• Use TwoQubitPeepholeOptimization in preset pass managers (#16136)
• Speedup SubstitutePi4Rotations (#16217)
• Parallelize the CommutationAnalysis pass (#16014)
• Pivot to foldhash for hash implementation in IndexMap (#15920)
• Update PauliProductRotationGate.to_matrix() from scipy to numpy (#16016)
• Add option to use mimalloc as global allocator (#16024)

Changelog

Added

• A multi-IR staged pass manager (#16418)
• Allow 32-bit registers in classical.expr system (#16449)
• Add C API for inspecting control flow instructions (#16179)
• Add register query functions to the C API (#16177)
• Var-based measurement experiments (#16273)
• Add C API for inspecting classical expressions (#16178)
• Use GateCount over Depth in Clifford+T pipeline (#16218)
• Add QuantumCircuit method to compute estimated fidelity (#16292)
• Add C API for two qubit unitary peephole optimization pass (#16088)
• Extend litinski transformation for all Pauli rotations (#15974)
• Add additional Z and X rotation gate handling to CommutativeCancellation (#16191)
• Add PBC transpilation pipeline (#16270)
• Add Custom Gates/Instructions in Rust (#15684)
• Add QubitSparsePauliList.commutes (#16194)
• extend ConvertToPauliProductRotations to PPRs and PPMs (#16306)
• Expose qk_{circuit, dag}_global_phase in the C API (#16278)
• Add generate_clifford_t_pass_manager (#15918)
• Make uuid public on ParameterVector (#16216)
• Add DAG-based variant of BasisTranslator transpiler pass in C API (#15783)
• Add new multithreaded TwoQubitPeepholeOptimization pass (#13419)
• Improve single-qubit gate count in TwoQubitControlledUDecomposer (#16123)
• Track PauliLindbladMap generators during parity_sample (#16072)
• Add auto-generated ctypes bindings to C API (#16067)
• make plot_bloch_vector accept tuple input (#16103)
• Improve commutation checking of Pauli product rotations and measurements (#15815)
• Add option to set the seed_transpiler from environment (#16001)
• Enable try_matrix & friends for PPR and PPM (#16011)
• Add control flow support to ConvertToPauliRotations (#15941)
• Convert Sabre's lookahead to layer-based tracking (#14911)
• Support commutation check between Pauli-based gates and standard gates (After reverting #15488) (#15925)
• Extend RemoveIdentityEquivalent and CommutativeOptimization with PauliProductRotations (#15810)
• Support commutation check between Pauli-based gates and standard gates (#15488)
• Support phase gates in LitinskiTransformation (#15773)

Fixed

• Add duration for reset to GenericBackendV2 (#16442)
• Fixes #16166: Preserve global_phase in dagdependency_to_circuit (#16323)
• Have SynthesizeRZRotations clear rsgridsynth global caches (#16392)
• Correctly combining control modifiers in OptimizeAnnotated (#16428)
• Fix stack-overflow segfault in OpenQASM 2 expression parsers (#16421)
• Fix MultiplierGate truncated result decomposition (#16394)
• Fix CommutationChecker for controlled rotation gates (#16337)
• Fix BitArray bitcount padding handling (#16309)
• Fix determinism in ConsolidateBlocks (#16237)
• Fix redundant unit numerator in pi_check pi fractions (#16175)
• Remove QPY warning on deserialising incomplete ParameterVectors (#16222)
• Fix composing virtual permutation layouts for ElidePermutations and StarPreRouting (#13945)
• QPY: Pauli Product Measurement/Rotation parameter fix (#16294)
• Reject loopback edges in CouplingMap (#16310)
• fix: Ensure there is no subtraction panic via underflow (#16249)
• Fix panic on 1.0 error in VF2Layout (#16285)
• Fix ConstrainedReschedule barrier handling (#16151)
• Initialize ConstrainedReschedule.target unconditionally (#16246)
• Sorts gate array to have deterministic gate selection (#16139)
• Fix UnrollForLoops global phase accumulation (#16201)
• Fix Statevector.evolve modifying input state in-place (Fixes 15750) (#15905)
• Fix Commuting2qGateRouter global phase handling (#16215)
• Fix InverseCancellation for symmetric pairs (#16153)
• Adding LinearFunction.inverse (#16203)
• Fix invalid simplification of XXPlusYY gates in CommutativeOptimization (#16163)
• Add safe shape checking to synth_cz_depth_line_mr (#16154)
• fix(library): clifford_6_4 template missing global_phase causes silent rejection (#15944)
• make plot_bloch_vector accept tuple input (#16103)
• Fix QPY loading delay integers durations incorrectly (#16076)
• Fix forced block consolidation for incomplete basis sets (#16075)
• Add option to set the seed_transpiler from environment (#16001)
• Fix panic in RemoveIdentityEquivalent with ParameterVector global phase (#16054)
• Fixed commutation checking between two Pauli product measurements (backport #16023) (#16040)
• Fixed commutation checking between two Pauli product measurements (#16023)
• Avoid triggering register/layout warning in remove_final_measurements (#16026) (#16037)
• Avoid triggering register/layout warning in remove_final_measurements (#16026)
• Fix C transpiler level 3 optimisation loop (#15967) (#16008)
• Fix C transpiler level 3 optimisation loop (#15967)
• Producing correct QFT circuits over linear connectivity with 32 or more qubits (#16004) (#16007)
• Producing correct QFT circuits over linear connectivity with 32 or more qubits (#16004)
• Fix TemplateOptimization dropping the global_phase on substitution (#15943)
• Reimplementing QSD using faer instead of nalgebra. (#15874)
• Rewrite QPY ParameterExpression handling in pure Polish form (#15934) (#15961)
• Rewrite QPY ParameterExpression handling in pure Polish form (#15934)
• Support commutation check between Pauli-based gates and standard gates (After reverting #15488) (#15925)
• Correctly enforce matrix size check in CommutationChecker (#15933) (#15936)
• Correctly enforce matrix size check in CommutationChecker (#15933)
• Support commutation check between Pauli-based gates and standard gates (#15488)
• QPY Rust and Python compatibility fixes (#15847) (#15887)
• QPY Rust and Python compatibility fixes (#15847)
• Remove unwanted remapping (#15872) (#15885)
• Remove unwanted remapping (#15872)
• Fix: BasisTranslator processing of nested ControlFlowOp (#15875) (#15884)
• Fix: BasisTranslator processing of nested ControlFlowOp (#15875)
• Fix: Initialize.inverse() now raises CircuitError immediately (#15782) (#15848)
• Fix: Initialize.inverse() now raises CircuitError immediately (#15782)

Changed

• Bumpy minimum NumPy version to 2.0 (#16243)
• Write policy on dependency versioning (#16239)

Deprecated

• Deprecations in qs_decomposition: opt_a* are not needed and decomposer_*q restrictions (#16158)
• Remove the commutation cache from the commutation checker (#15988)

Build System

• Use stestr to prune its own history in CI jobs (#16364)
• Add C-API slot-assignment compatibility check (#16301)
• Add slot-listing command to bindgen-cli (#16289)
• Rename bindgen-c to bindgen-cli (#16096)
• Add option to use mimalloc as global allocator (#16024)
• Bump MSRV to 1.87 and nalgebra to the 0.34 release (#16045)

Performance

• Update Sabre extended set on-the-fly (#14912)
• Use GateCount over Depth in Clifford+T pipeline (#16218)
• Move ParameterVector to Rust (#16228)
• Parallelize unitary synthesis (#16275)
• Use toposort instead of topological_op_nodes for DAG reconstruction (#15987)
• Perform ConsolidateBlocks analysis in parallel (#16230)
• Make Optimize1qGatesDecomposition multithreaded (#15567)
• Use np.bitwise_count in BitArray.bitcount (#15836)
• Use TwoQubitPeepholeOptimization in preset pass managers (#16136)
• Speedup SubstitutePi4Rotations (#16217)
• Parallelize the CommutationAnalysis pass (#16014)
• Pivot to foldhash for hash implementation in IndexMap (#15920)
• Update PauliProductRotationGate.to_matrix() from scipy to numpy (#16016)
• Add option to use mimalloc as global allocator (#16024)

Changelog

Fixed

• Fix stack-overflow segfault in OpenQASM 2 expression parsers (#16422)
• Fix MultiplierGate truncated result decomposition (#16394) (#16399)
• Fix CommutationChecker for controlled rotation gates (backport #16337) (#16395)
• Fix redundant unit numerator in pi_check pi fractions (#16175) (#16358)
• Fix composing virtual permutation layouts for ElidePermutations and StarPreRouting (#13945) (#16355)
• fix: Ensure there is no subtraction panic via underflow (#16249) (#16319)
• Fix panic on 1.0 error in VF2Layout (#16285) (#16287)
• Fix Statevector.evolve modifying input state in-place (Fixes 15750) (#15905) (#16227)
• Fix ConstrainedReschedule barrier handling (#16151) (#16284)
• Initialize ConstrainedReschedule.target unconditionally (#16246) (#16280)
• Fix UnrollForLoops global phase accumulation (#16201) (#16238)
• Fix InverseCancellation for symmetric pairs (#16153) (#16211)
• Add safe shape checking to synth_cz_depth_line_mr (#16154) (#16155)

Changelog

Fixed

• Fix stack-overflow segfault in OpenQASM 2 expression parsers (#16423)

Changelog

Fixed

• Fix QPY loading delay integers durations incorrectly (#16076) (#16083)
• Fix panic in RemoveIdentityEquivalent with ParameterVector global phase (#16054) (#16055)

Release notes: https://quantum.cloud.ibm.com/docs/en/api/qiskit/release-notes/2.4

Changelog

Added

• Add safe Python-extension module C API headers (#15762)
• Add qk_circuit_draw function to the C API (#15361)
• New function to negate expressions (#15447)
• Add runtime-version checking qk_api_version (#15831)
• Add barrier_label_len option to circuit drawers (#15776)
• Enable parameterized gates in C (#15106)
• Implement SparseObservable.evolve (#15561)
• Add C API vtable to pyext (#15761)
• Introduce QkTranspileState in C transpile stages. (#15486)
• Add C/Python interop for QuantumRegister and ClassicalRegister (#15768)
• Add Python conversion to QkObs (#15821)
• PBC transformations for C (#15756)
• SynthesizeRZRotations pass (#15641)
• Add QkCircuit C/Python interoperation via QuantumCircuit._data (#15767)
• Separate type/constant declarations from functions in C headers (#15760)
• Rust QPY version 13 compatibility (#15663)
• Add C/Python interop for Target and DAGCircuit (#15337)
• Expose Pauli-based computation gates to C (#15754)
• Add qiskit.capi module (#15711)
• Add qk_dag_substitute_node_with_unitary to the C API (#15757)
• Transpiler pass that converts a generic circuit to PBC (#15502)
• Use PauliProductRotationGate in LitinskiTransformation (#15753)
• Add PauliProductRotationGate (#15720)
• C API function for replacing a block of nodes with a unitary gate (#15682)
• Add DAG-based variants of transpiler pass functions in C API (#15614)
• Support adding a barrier in LitinskiTransformation (#15639)
• Add Suzuki-Trotter to C API (#15459)
• Fix linear dependency on base bit count in QuantumCircuit.compose (#15696)
• RCCXGate is self-inverse (#15686)
• feat: SparseObservable addition with scalar multiplication (#15599)
• feat: in-place arithmetic for QkObs (#15598)
• Extend SubstitutePi4Rotations to 2q gates (#15483)
• Reducing the number of Clifford gates in OptimizeCliffordT (#15634)
• Add PauliLindbladMap.generators() method (#15544)
• Add RXX/RYY-based equivalence for XXMinusYYGate (#15604)
• Rewrite default UnitarySynthesis to cache decomposers (#15492)
• Add method to draw coupling map (#15114)
• Allow null pointers for zero-length slices in QkObs (#15540)
• Add SparseObservable support to evolved_operator_ansatz (#15442)
• Add pauli() accessor to PauliProductMeasurement (#15469)
• Add Clifford circuit optimization to BasicSimulator (#15159)
• Expose IQP circuit generator via C bindings (#15396)

Fixed

• Fixed commutation checking between two Pauli product measurements (backport #16023) (#16040)
• Avoid triggering register/layout warning in remove_final_measurements (#16026) (#16037)
• Fix C transpiler level 3 optimisation loop (#15967) (#16008)
• Producing correct QFT circuits over linear connectivity with 32 or more qubits (#16004) (#16007)
• Rewrite QPY ParameterExpression handling in pure Polish form (#15934) (#15961)
• Correctly enforce matrix size check in CommutationChecker (#15933) (#15936)
• QPY Rust and Python compatibility fixes (#15847) (#15887)
• Remove unwanted remapping (#15872) (#15885)
• Fix: BasisTranslator processing of nested ControlFlowOp (#15875) (#15884)
• Fix: Initialize.inverse() now raises CircuitError immediately (#15782) (#15848)
• Fix annotation-handling in Rust-space QPY (#15649)
• Don't track loop_param (#15814)
• Fix PauliEvolutionGate trace and dim calculation (#15816)
• Avoid panics in Quantum Shannon Decomposition Rust code (#15635)
• Fix QPY bug with user-defined register named 'ancilla' (#15623)
• Forbid duplicate cargs in QuantumCircuit.append (#15789)
• Fix synth_clifford_depth_lnn for single-qubit Cliffords (#15781)
• Fix linear dependency on base bit count in QuantumCircuit.compose (#15696)
• Typed iterator in QASM3 export of for loops (#15290)
• Bump minimal NumPy Version to 1.21 (#15705)
• Fix HighLevelSynthesis qubit tracking mechanism (#15685)
• Fix ParameterExpression.sympify() for RPOW operations (#15642)
• Fix MCX synthesis methods when the number of control qubits is 0 (#15672)
• Fix defining and appending multi-controlled gates with 0 control qubits. (#15673)
• Fixing QuantumCircuit.repeat with parameterized gates (#15646)
• Fix digit escaping in OpenQASM 3 identifier (#15305)
• Add check excluding BreakLoop and ContinueLoop from control flow identification (#15626)
• Fix "`BreakLoopOp' object has no attribute 'blocks" bug (#15581)
• Make docstring for Counts more precise and validate input (#8653)
• Handle zero-length permutation synthesis (#15556)
• Automatically determine coeffs type in SparsePauliOp.from_sparse_list (#15427)
• Check length of bit_terms before accessing during qk_obs_term (#15537)
• Fix plot_state_qsphere phase anchor bias due to solver noise (#15494)
• Represent non-fixed params as NaN for QkTargetOp (#15463) (#15525)
• Represent non-fixed params as NaN for QkTargetOp (#15463)
• Fix param extraction for arrays with a single element (backport #15436) (#15522)
• Fix param extraction for arrays with a single element (#15436)
• Add SparseObservable support to evolved_operator_ansatz (#15442)

Changed

• Enable parameterized gates in C (#15106)
• Add Python conversion to QkObs (#15821)
• Add QkCircuit C/Python interoperation via QuantumCircuit._data (#15767)
• Update Linux build image to manylinux_2_28 (#15791)
• Use PauliProductRotationGate in LitinskiTransformation (#15753)
• Replace bincode with binrw in basic_approximations serialization (#15693)
• Pivot to using ruff for all linting (#15603)
• Use QkParam as parameters for QkTargetOp. (#15538)
• Remove deprecated QISKIT_VERSION_NUMERIC symbol (#15518)

Deprecated

• Deprecate qk_transpiler_standalone_optimize_1q_sequences (#15627)

Removed

• Follow through on MCMT deprecations (#15606)

Build System

• Update Linux build image to manylinux_2_28 (#15791)
• Add qiskit.capi module (#15711)
• Move cbindgen logic into separate crate (#15679)
• Replace requirements-*.txt with PEP 735 dependency groups (#15619)
• Relax required version of CMake (#15653)
• Expose default build profile as QISKIT_BUILD_PROFILE (#15242)

Changelog

Fixed

• Rewrite QPY ParameterExpression handling in pure Polish form (#15934) (#15961)
• Correctly enforce matrix size check in CommutationChecker (#15933) (#15936)

Changelog

Fixed

• QPY Rust and Python compatibility fixes (#15847) (#15887)
• Remove unwanted remapping (#15872) (#15885)
• Fix: BasisTranslator processing of nested ControlFlowOp (#15875) (#15884)
• Fix: Initialize.inverse() now raises CircuitError immediately (#15782) (#15848)