Qiskit-aer

Changelog

Fixes

- Fix numpy compatibility with numpy < 1.20.0 in precompiled wheels (1131)

Changelog
Fixed
- Fix numpy 1.20.0 compatibility (1115)

Changelog
Fixed
- Fix bugs in automatic updates of simulator configuration basis gates (1109)
- Fix noise model basis_gates when constructing from device (1108)
- Fixed normalization in MPS truncation (1094)
- Fix condtional instructions using `c_if` not working for reg of size>=64 on BasicAer backend (1089)

Changelog

Added
- Cmake: make conan optional (999)

Fixed
- Fix bug with nested omp being applied incorrectly (1055)

Changelog
Fixed
- Corrected qubits ordering in MPS::sample_measure_using_probabilities. (1011)
- Fixed bug in MPS::apply_kraus (1003)
- Fix Aer provider to return new backend instances with backends/get_backend. (1006)
- Fix bug in unsupported instructions error message (1005)

Changelog
Deprecated
- Add support for phase, sqrt(X), and delay gates to simulators (951)

Added
- Fix fusion thresholds and defaults (990)
- Add missing standard gate basis gates (989)
- Move AVX2 logic into Transformer class and enable SIMD on Unitary, DensityMatrix, SuperOp (961)
- MPS: Apply kraus (915)
- Add support for phase, sqrt(X), and delay gates to simulators (951)
- MPS: Support snapshot_density_matrix (948)
- Add support for rotation gates to noise model and simulators (914)
- Add custom Vector class (932)
- Add qobj header global phase support (931)
- Kraus noise gate fusion method (927)

Removed
- Drop support for Python 3.5 (917)

Fixed
- Fix snapshots being copied rather than moved (971)
- Add available memory checks for Statevector and Unitary simulators (969)
- Make controller_wrapper functions functors (945)
- fix a bug in thread management tests (918)
- Fix evaluation y expectation (898)
- Fix bug in StatevectorSimulator preventing AVX2, GPU, and single-precision simulations (872)