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Release 0.40.0-dev

New features since last release

Improvements 🛠

Breaking changes 💔

  • The qml.QubitStateVector template has been removed. Instead, use :class:~pennylane.StatePrep. (#83)

Deprecations 👋

Documentation 📝

Bug fixes 🐛

Contributors ✍️

Andrija Paurevic

This release contains contributions from (in alphabetical order):

Release 0.39.0

Bug fixes 🐛

  • Fix deprecated import path for QubitDevice. (#74)

Breaking changes 💔

  • Remove support for Python 3.9. (#78)

  • Upgrade minimum supported version of PennyLane to 0.38.0. (#80)

Contributors ✍️

This release contains contributions from (in alphabetical order):

Astral Cai Yushao Chen Mudit Pandey

Release 0.36.0

New features since last release

  • Added support for Prod observables. (#64)

Contributors ✍️

This release contains contributions from (in alphabetical order):

Astral Cai

Release 0.32.0

Breaking changes

  • Support for Python 3.8 has been removed, and support for 3.11 has been added. (#55)

Improvements

  • Added support for qml.StatePrep as a state preparation operation. (#54)

Contributors

This release contains contributions from (in alphabetical order):

Mudit Pandey, Jay Soni

Release 0.29.0

Improvements

  • Removed support for in-place inversion of operations (e.g. qml.PauliX(0).inv()). Users should use qml.adjoint instead. (#46)

Contributors

This release contains contributions from (in alphabetical order):

Albert Mitjans Coma

Release 0.28.0

Breaking changes

  • Removes testing for Python 3.7. (#43)

Contributors

This release contains contributions from (in alphabetical order):

Christina Lee

Release 0.24.0

Improvements

  • Adds the compatibility tag for Python 3.10 and removed it for 3.6. (#31)

Bug fixes

  • Defines the missing returns_state entry of the capabilities dictionary of the device. (#36)

  • Updates the plugin to be compatible with the use of Operator.eigvals as a method. (#35)

Contributors

This release contains contributions from (in alphabetical order):

Christina Lee, Antal Száva

Release 0.16.0

Improvements

  • Adds the compatibility tag for Python 3.9. (#28)

Bug fixes

  • Fixed an issue where the wrong results are returned when passing non-consecutive wires to QubitStateVector. (#25)

  • Fixed issue where a state cannot be loaded into a Qulacs circuit when using a subset of wires with BasisState. (#26)

Contributors

This release contains contributions from (in alphabetical order):

Theodor Isacsson, Romain Moyard

Release 0.15.0

Breaking changes

  • Removed the analytic argument to reflect the shots refactor in PennyLane. Analytic expectation values can still be computed by setting shots=None. (#21)

Contributors

This release contains contributions from (in alphabetical order):

Maria Schuld

Release 0.14.0

Bug fixes

  • Adjusted the matrix for the CRZ operation used internally. (#18)

Contributors

This release contains contributions from (in alphabetical order):

Theodor Isacsson, Antal Száva

Release 0.12.0

Improvements

  • Speeds up the computation of expectation values by using native Qulacs methods. (#12)

Documentation

  • Updates the installation instructions, to indicate how to install the PennyLane-Qulacs plugin with either the CPU or GPU version of Qulacs. (#14)

  • Adds note to the documentation showing how to use multiple OpenMP threads by setting the OMP_NUM_THREADS environment variable. (#14)

Contributors

This release contains contributions from (in alphabetical order):

Theodor Isacsson, Maria Schuld.

Release 0.11.0

Initial public release.

Contributors

This release contains contributions from:

Theodor Isacsson, Steven Oud, Maria Schuld, Antal Száva