Pennylane-qiskit

Breaking changes

* Changed the signature of the `QubitDevice.statistics` method from

python
def statistics(self, observables, shot_range=None, bin_size=None, circuit=None):


to

python
def statistics(self, circuit: QuantumScript, shot_range=None, bin_size=None):


[3421](https://github.com/PennyLaneAI/pennylane/pull/3421)

Improvements

* Adds testing for Python 3.11.
[(237)](https://github.com/PennyLaneAI/pennylane-qiskit/pull/237)

Bug fixes

* Do not try to connect with an IBMQX token if it is falsy.
[(234)](https://github.com/PennyLaneAI/pennylane-qiskit/pull/234)

Contributors

This release contains contributions from (in alphabetical order):

Christina Lee
Albert Mitjans-Coma
Matthew Silverman

---

New features since last release

* Add support for the `ISWAP` operation.
[(229)](https://github.com/PennyLaneAI/pennylane-qiskit/pull/229)

Bug fixes

* Fix Cobyla success bool for VQE runtime.
[(231)](https://github.com/PennyLaneAI/pennylane-qiskit/pull/231)

Contributors

This release contains contributions from (in alphabetical order):

Romain Moyard, Matthew Silverman

---

Improvements

* Improvement of the different `requirements.txt` and `requirements-ci.txt` files.
[(212)](https://github.com/PennyLaneAI/pennylane-qiskit/pull/212)

* The plugin now natively supports the adjoint of the `S`, `T`, and `SX` gates.
[(216)](https://github.com/PennyLaneAI/pennylane-qiskit/pull/216)

Documentation

* Use the centralized [Xanadu Sphinx Theme](https://github.com/XanaduAI/xanadu-sphinx-theme)
to style the Sphinx documentation.
[(215)](https://github.com/PennyLaneAI/pennylane-qiskit/pull/215)

Bug fixes

* Defines the missing `returns_state` entry of the
`capabilities` dictionary for devices.
[(220)](https://github.com/PennyLaneAI/pennylane-qiskit/pull/220)

Contributors

This release contains contributions from (in alphabetical order):

Mikhail Andrenkov, Christina Lee, Romain Moyard, Antal Száva

---

New features since last release

* Add support for the operations`IsingXX`, `IsingYY`, `IsingZZ`
[(209)](https://github.com/PennyLaneAI/pennylane-qiskit/pull/209)

Bug fixes

* Fix runtime sampler due to changes on Qiskit side.
[(201)](https://github.com/PennyLaneAI/pennylane-qiskit/pull/201)

* Pin `jinja2` to 3.0.3 because of sphinx incompatibility.
[(207)](https://github.com/PennyLaneAI/pennylane-qiskit/pull/207)

Contributors

This release contains contributions from (in alphabetical order):

Samuel Banning, Romain Moyard

---

Improvements

* Changed a validation check such that it handles qubit numbers represented as
strings.
[(184)](https://github.com/PennyLaneAI/pennylane-qiskit/pull/184)

* Changed the VQE callback function for SciPy optimizers.
[(187)](https://github.com/PennyLaneAI/pennylane-qiskit/pull/187)

* Switched from using the deprecated `qiskit.circuit.measure.measure` function
to using a method.
[(191)](https://github.com/PennyLaneAI/pennylane-qiskit/pull/191)

Bug fixes

* Changed the access to Hamiltonian terms `hamiltonian.terms()` as a method.
[(190)](https://github.com/PennyLaneAI/pennylane-qiskit/pull/190)

Contributors

This release contains contributions from (in alphabetical order):

Thomas Bromley, Andrea Mari, Romain Moyard, Antal Száva

---

New features since last release

* Add two devices for runtime programs and one VQE runtime program solver.
[(157)](https://github.com/PennyLaneAI/pennylane-qiskit/pull/157)

Improvements

* Improved the login flow when IBMQ tokens are specified as environment variables.
[(169)](https://github.com/PennyLaneAI/pennylane-qiskit/pull/169)

Documentation

* Improved the quality of docstrings in the library.
[(174)](https://github.com/PennyLaneAI/pennylane-qiskit/pull/174)

Contributors

This release contains contributions from (in alphabetical order):

Guillermo Alonso-Linaje, Romain Moyard, Tanner Rogalsky, Jay Soni, Antal Száva

---