Pennylane-cirq

New features since last release

* Adds support for Python 3.10.
[(123)](https://github.com/PennyLaneAI/pennylane-cirq/pull/123)

Breaking changes

* Removes support for Python 3.7.
[(123)](https://github.com/PennyLaneAI/pennylane-cirq/pull/123)

Contributors

This release contains contributions from (in alphabetical order):

Christina Lee

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New features since last release

* Support `ISWAP`, `SISWAP`, and their adjoints.
[(114)](https://github.com/PennyLaneAI/pennylane-cirq/pull/114)

* Support a variety of operations raised to a power.
[(115)](https://github.com/PennyLaneAI/pennylane-cirq/pull/115)

Breaking changes

* Removed the unnecessary `CPhase` and `ISWAP` operations from the
plugin's custom support because PennyLane supports them.
[(115)](https://github.com/PennyLaneAI/pennylane-cirq/pull/115)

Improvements

* Pass all the qubits as `qubit_order` parameter to force
the simulator not to ignore idle qubits.
[(111)](https://github.com/PennyLaneAI/pennylane-cirq/pull/111)

Contributors

This release contains contributions from (in alphabetical order):

Oumarou Oumarou, Matthew Silverman

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Bug fixes

* Defines the missing `returns_state` entry of the
`capabilities` dictionary for devices.
[(107)](https://github.com/PennyLaneAI/pennylane-cirq/pull/107)

Contributors

This release contains contributions from (in alphabetical order):

Antal Száva

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Improvements

* Changed to using `cirq_pasqal` instead of `cirq.pasqal` as per a deprecation
cycle in Cirq.
[(90)](https://github.com/PennyLaneAI/pennylane-cirq/pull/90)

* Changed the requirements of PennyLane-Cirq to only contain `cirq-core` and
`cirq-pasqal`.
[(94)](https://github.com/PennyLaneAI/pennylane-cirq/pull/94)

Contributors

This release contains contributions from (in alphabetical order):

Jay Soni, Antal Száva

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Improvements

* Expectation values are now computed using the `simulate_expectation_values`
function from Cirq for `cirq.simulator` and `cirq.mixedsimulator`.
[(81)](https://github.com/PennyLaneAI/pennylane-cirq/pull/81)

Contributors

This release contains contributions from (in alphabetical order):

Romain Moyard

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Improvements

We support `Cirq` version `0.12.0`.
[(77)](https://github.com/PennyLaneAI/pennylane-cirq/pull/77)

Contributors

This release contains contributions from (in alphabetical order):

Romain Moyard

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