Release 0.40.0

Breaking changes 💔

• The qml.QubitStateVector template has been removed. Instead, use :class:~pennylane.StatePrep.
  (#203)

• Support for the pennylane.operation.Tensor observable is removed. This observable was deprecated
  in PennyLane 0.39, and is removed in PennyLane 0.40.
  (#204)

Contributors ✍️

This release contains contributions from (in alphabetical order):

Andrija Paurevic

Release 0.39.0

Bug fixes 🐛

• Remove deprecated qml.operation.Tensor from codebase in favour of qml.prod. (#197)

• Fix deprecated import path for QubitDevice. (#194) (#195)

Breaking changes 💔

• Removed support for Python 3.9 (#200)

• Upgrade minimum supported version of PennyLane to 0.38.0. (#201)

Contributors ✍️

This release contains contributions from (in alphabetical order):

Astral Cai, Mudit Pandey, Alex Preciado

Release 0.36.0.post0

This postfix release updates some documentation dependencies and testing.

Release 0.36.0

Release 0.36.0

New features since last release

• Added support for expval of Prod observables. (#183)

Bug fixes 🐛

• Fixes a bug where an error is raised from applying qml.Identity on multiple wires. (#186)

Contributors ✍️

This release contains contributions from (in alphabetical order): Astral Cai

Release 0.34.0

Tests

• The sampling tests no longer set the _obs_queue proprerty, as setting it has no effect on the behaviour of the plugin. (#159)

Contributors ✍️

This release contains contributions from (in alphabetical order):

Christina Lee

Release 0.33.0

Bug fixes 🐛

• Fixes the pasqal device when more than one circuit is executed and adds support for specifying wires an iterable of wire labels (#151)

Contributors ✍️

This release contains contributions from (in alphabetical order):

Christina Lee

Release 0.32.0

Breaking changes 💔

• Python 3.8 support is dropped and Python 3.11 support is added. (#146)

Bug fixes 🐛

• The plugin is updated to take qml.StatePrep operators, the new name for qml.QubitStateVector. (#146)

Contributors ✍️

This release contains contributions from (in alphabetical order):

Christina Lee

Release 0.31.0

Improvements

• Failing tests corrected to reflect the new shots validation in PennyLane
  (#138)

Contributors

This release contains contributions from (in alphabetical order):

Matthew Silverman

Release 0.29.0

New features since last release

• Support for adjoint operators has been added.
  (#130)

Breaking changes

• Support for inverse operators has been removed.
  Note that the inv() method and inverse property are removed from PennyLane operators as of PennyLane 0.29.
  (#130)

• Bumps the required PennyLane version to v0.29.0.
  (#137)

Contributors

This release contains contributions from (in alphabetical order):

Christina Lee, Matthew Silverman

Release 0.28.0

New features since last release

• Adds support for Python 3.10. (#123)

Breaking changes

• Removes support for Python 3.7. (#123)

Contributors

This release contains contributions from (in alphabetical order):

Christina Lee