cvjjm

[BUG] Adjoint(None)(wires=[]) ends up on tape causeing AttributeError: 'Adjoint' object has no attribute 'control_wires' when drawing

2

### Expected behavior QNodes with Adjoint operations should draw fine. ### Actual behavior In some cases (I have not yet been able to make a minimal example) a QNode construction...

Proposal for performance improvements in the Tape and Wires classes

1

### Before submitting Please complete the following checklist when submitting a PR: - [ ] All new features must include a unit test. If you've fixed a bug or added...

Circuit drawing to LaTeX

6

### Feature details It would ne nice if PennyLane could "draw" circuits also to LaTeX format. This (relatively) new LaTeX package https://github.com/projekter/yquant could offer a nice "intermediate" language. There could...

Support all operations with `param_shift_hessian()`

30

### Feature details It should be possible to support operations with arbitrary `grad_recipes` in `param_shift_hessian()` by computing the applicable grad recipe for each entry in the hessian from the `grad_recipes`s...

smbolic_operator.py::_issmall() could (should?) be a static member of SymbolicOperator

2

smbolic_operator.py defines the function `_issmall()`. Unfortunately it is defined in the file but not part of the class, which is why derived classes cannot overwrite it. I would like to...

[BUG] Declare incompatibility with pennylane-lightning versions

8

### Expected behavior When installing a specific version of pennylane and pennylane-lightning with pip I expect them to "just work". ### Actual behavior When I pip install pennylane v0.32 like...

Update documentation on devices/plugins

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### Feature details The [Bulding a plugin](https://docs.pennylane.ai/en/latest/development/plugins.html) documentation is still featuring a warning that it is rereferring to the old (therein referred to as _current_) [pennylane.Device](https://docs.pennylane.ai/en/latest/code/api/pennylane.Device.html) and [pennylane.QubitDevice](https://docs.pennylane.ai/en/latest/code/api/pennylane.QubitDevice.html) class. It...

Proposal for improvements in measurement and operation hashing

5

### Before submitting Please complete the following checklist when submitting a PR: - [ ] All new features must include a unit test. If you've fixed a bug or added...

Ability to switch off split_non_commuting if user knows that all observables commute

6

### Feature details When measuring many observables that I as the user know are jointly measurable (such as a whole bunch of tensor products of `PauliZ` operators) PL sill tries...

Why does MajoranaOperator not subclass SymbolicOperator?

1

It seems odd that MajoranaOperator is not a sub-class of SymbolicOperator. A notable side effect is that contrary to QubitOperator and other SymbolicOperators, MajoranaOperator does not auto-remove terms that are...