Changelog

Improvements 🛠

The benchmarks now use pytest-benchmark inspired by benchmark-qulacs. The updated benchmarks can be found in the documentation.
Updated circuit conversion method in adapter.
- Restructured code taking inspiration from pennylane-qiskit.
- Updated support for existing Qiskit's gates.
- Added Rxx, Ryy and Rzz gates supporting gradient computation. ECR gate is also supported.
- Added Qiskit's ParameterExpression support.
QulacsBackend can now be used with the Qiskit's BackendEstimator and BackendSampler.
QulacsEstimator now supports qulacs QuantumCircuitOptimizer.
QulacsSampler inspired by Qiskit's Primitive Sampler is added. It uses qulacs for statevector calculation.
Enhanced gradient computation using sympy to support Qiskit's ParameterExpression in circuit; not in qulacs.
Added basic tutorials for QulacsBackend and primitives.
Added support for Python 3.11.
The library is now a part of Qiskit's ecosystem.
The GPU support is experimental and is yet to be tested.

Gopal Ramesh Dahale