Aer 0.15.1 is a bugfix release to Aer 0.15.
Bug fixes
- add truncation to save_expval operation to minimize memory requirements
- Fix memory estimator for MPS
For backward compatibilities, we reverted the following features
- Add open_pulse entry to AerBackendConfiguration
- Revert NoiseModel.from_dict
However these features are deprecated and we will remove again in the future release