Qiskit/qiskit-terra: Qiskit Terra 0.21.0

Changelog Deprecated Move qiskit.test.mock to qiskit.providers.fake_provider and deprecate (#8121) QPY schedule serialization (#7300) Remove deprecated optimize from Optimizer (and small other fixes) (#8123) Add namespace redirect hook for qiskit-aer (#5089) Cleanup timeline drawer with schedule analysis pass. (#7935) Deprecate old paths for module-availability testers (#7954) Remove legacy providers interface (#7886) Deprecate networkx converter methods for DAGCircuit (#7927) Added Adding variational Quantum Deflation Algorithm for computing higher energy states (#7747) QPY schedule serialization (#7300) Add grouping by full-operator commutation relations to PauliList (#7874) Expand instruction_supported() to optionally check parameters (#7807) Add dedicated functions for memory marginalization (#8051) Add StagedPassManager class for pass manager with defined stages (#6403) Speedup constant factors in LookaheadSwap (#8068) Add .clear() and .copy_empty_like() functionality to QuantumCircuit. (#8134) decompose(reps=1) repeating decompose (#8142) Cleanup timeline drawer with schedule analysis pass. (#7935) Serializable parametric pulse (#7821) Add label assigned check in SparsePauliOp (#8101) Use ParameterReferences type for ParameterTable values (#7408) Parallelizing scheduling of multiple circuits via parallel_map. (#8110) Add Qiskit Textbook circuit drawer style (#8147) Add function to easily generate preset pass managers (#8125) Enhance Primitives' interface (#8065) Add a marginal_distribution function (#8026) Alias BaseOperator.mul to BaseOperator._multiply in quantum_info (#8007) Support target and basis gates in Unroll3qOrMore transpiler pass (#7997) Trotterization-based Quantum Real Time Evolution (#7411) Add VF2PostLayout pass (#7862) add Quantum Shannon Decomposition (#7907) Alias BaseOperator.matmul to BaseOperator.dot (#7919) Add delay handling to QASM 3 exporter (#7942) Add swap strategies transpiler pass (#7813) Add support for non-hermitian operators in AerPauliExpectation (#7857) Add interfaces for a general Quantum Time Evolution Framework (#7858) Changed Leverage Python SharedMemory for common transpile args (#7789) Change data type of QuantumCircuit.data elements (#8093) Edit Result to always contain date, status, header (#8216) Fix handling of ControlledGates in QPY (#8055) Explicitly set MSRV for rust extension (#8196) Make python-constraint optional (#7733) Change XXPlusYYGate convention (#7949) Remove hard time limit from vf2 passes in preset passmanagers (#8021) Remove BasicAer shot limit (#7801) Ensuring instruction labels are strings when provided to the Instruction constructor. (#7671) Removed Remove deprecated classes and methods in quantum_info (#8070) Remove deprecated optimize from Optimizer (and small other fixes) (#8123) Remove DAGNode deprecations (#7902) Remove legacy providers interface (#7886) Fixed Fix UnitaryGate.qasm() with unused qubits (#8234) (#8243) Leverage Python SharedMemory for common transpile args (#7789) Remove deprecated optimize from Optimizer (and small other fixes) (#8123) Fix BackendV2 support for PassManagerConfig.from_backend() (#8109) Edit Result to always contain date, status, header (#8216) Pass max_size to Statevector LaTeX drawer (#8197) Fix handling of ControlledGates in QPY (#8055) Fix QASM 3 exporter not respecting unknown basis_gates (#8160) Update GaussianPulse for consistent parameter validation results whether validation occurs during or after construction. (#8151) Fixed error in plot_histogram when number_to_keep is smaller that the number of keys (#7481) fix marginal_counts (which failed on pulse backend) (issue #6430) (#8099) set T2 with the correct value in ConfigurableFakeBackend (#8117) Checks if DiagonalGate has modulus 1 (#8098) Improve reverse_bits to support registerless bits (#7423) Enable proper iteration over Statevector (#8062) Fix SabreSwap with classically conditioned gates (#8041) Fix RZX builder rescaled amplitude (#8031) Fix marginal_counts on memory with non-zero indices (#8047) Use round instead of ceil for GaussianSquare pulse duration in RZXCalibrationBuilder (#7995) Fix fake backend v2 dtm unit (#8019) Remove hard time limit from vf2 passes in preset passmanagers (#8021) Add missing delay instruction to fake backends (#8003) Fix instruction durations in transpile() with BackendV2 (#8001) Fix dt units in test util function convert_to_target (#8000) Fix order of input and gate declarations in QASM 3 exporter (#7972) Fix potential infinite loop in SabreSwap (#7970) Make SabreSwap account for clbits in predecessors (#7952) Fix QPY deserialization of UCRX, UCRY, and UCRZ gates (#7933) Fix dag visualization for DAGCircuits without registers (#7923) Allow shots to be a numpy.int64 (#7824) Bug fix for DRAG pulse beta validation (#7925) Fix init_observable for Pauli (#7898) Fix return type from schedule() with a list of one entry (#7885) Fix plot_error_map with BackendProperties set or BackendV2 (#7880) Fix of eval_observables() when quantum_circuit is a StateFn. (#7863) Fix hard-coded sleep in run_circuits (#7793) Fixes Clifford, Pauli, CNOTDihedral to handle Delay (#7850