Qiskit 1.4.0

Release notes: https://docs.quantum.ibm.com/api/qiskit/release-notes/1.4#140

Changelog

Deprecated

• Address BackendV1 deprecation warning oversights (#13868)
• The unused parameter dag in DAGNode constructor is deprecated (#13862)
• Deprecate convert_to_target (#12915)
• Deprecate qiskit.circuit.classicalfunction (#13786)
• Deprecate use of BackendProperties (BackendV1) in transpilation pipeline (#13719)
• Deprecate NormalizeRXAngle and rzx_templates (#13883)
• raise DeprecationWarning for a targetless timeline drawer (#13601)
• Deprecate atomic_evolution (#13603)
• Deprecation of MCMT in favor of MCMTGate (backport #13584) (#13810)
• Deprecate subclassing of Register and Bit (#13841)
• Deprecate BackendV2Converter (#12840)
• Deprecate BasicSimulator.run_experiment (#13750)
• Deprecate DAGNode.sort_key attribute (#13744)
• Deprecate show_idle and show_barrier in favor of idle_wires and plot_barriers (#13602)

Added

• Add method to compute estimated duration of scheduled circuit (backport #13783) (#13881)

Changed

• Warn on use of property_set kwarg to BasePassManger.run (#13821)

Fixed

• Applying a slight perturbation for ill-conditioned matrices (#13882)
• Fix incorrect stop time bug #8729 (#11097) (#13843)
• Fix tracking of routing permutation in Sabre with disjoint backends (#13833) (#13835)
• Consider unit in Delay comparisons (#13816) (#13827)
• Correctly updating global phase when removing gates that are identity up to a global phase (backport #13785) (#13825)
• Fix CommutationChecker for 2q Pauli rotations (#13762) (#13804)
• Fix barrier label position when bits are reversed (#13780) (#13789)
• Fix random_clifford (#13606) (#13710)
• Fix 4-pi periodicity of controlled rotations in the CommutationChecker (#13670) (#13676)
• More conservative caching in the CommutationChecker (#13600) (#13677)
• Fix an error in qasm3 exporter when operating on unitary gates (#13633) (#13663)
• Fix PauliEvolutionGate (using product formulas) for all-identity Pauli terms (#13634) (#13658)
• Fix UnitarySynthesis pass bug when target contains global gates (#13651) (#13656)
• Fix Target.instruction_supported when target.num_qubits == None (#13655) (#13657)
• fix the 0 complex part (#13643) (#13646)
• Fix phase of pauli_list.insert(..., qubit=True) for length-1 pauli_list (#13624) (#13637)
• Fix UnitarySynthesis for 3+ qubits when compiled for a backend (#13591) (#13619)
• Only apply MCMT plugin on MCMTGate (#13596) (#13618)
• Fix SparsePauliOp initialization with dense Y labels (#13580) (#13611)
• Fix behavior of n_local calling circuits for num_qubits=1 (#13523) (#13575)
• Check for gate parameter (#12439)
• Discard cache for standard gates in assign_parameters (#13557) (#13559)
• Fix .decompose on control flow (#13545) (#13549)
• Fix registering global_phase parameters when creating CircuitData (#13538) (#13541)
• Do not unroll gates in basis in add_control (#13475) (#13528)