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### Feature details
Instances of `qml.Projector` can't be pickled at the moment:
```python
import pickle
import pennylane as qml
P = qml.Projector([1, 0, 1, 1, 0], wires=[0, 1, 2, 3, 4]) # …
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**What did you find confusing? Please describe.**
I am looking for the device property that describes whether or not a device has pulse level control access. I was assuming that the list of supported…
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In attempting to fix a failing test on a PR, I have been bumping up against unexpected behaviour and a deprecation warning.
This code modified from a device test
```python
import pennylane as q…
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### Environment
- **Covalent version**: 0.106.0
- **Python version**: 3.8.13
- **Operating system**: Ubuntu 18.04.6 LTS
### What is happening?
I am trying to use different devices with Pe…
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### Expected behavior
Should print -0.43879 according to the default grad recipe, and using the analytical second derivative parameter shift formula
### Actual behavior
Outputs double the expected …
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```python
import pennylane as qml
dev = qml.device("default.qubit", wires=2, shots=(1,2))
@qml.qnode(dev, diff_method='parameter-shift', interface='autograd')
def circuit(a):
qml.RY(a, wi…
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### Environment
- **Covalent version**: 0.110.0
- **Python version**: 3.8.13
- **Operating system**: Linux/MacOS
### What is happening?
The default Dask serialization protocol fails when …
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### Expected behavior
The returned tensor should also have `requires_grad=False`
### Actual behavior
The returned tensor has `requires_grad=True`
### Additional information
This is trou…
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Xanadu open sourcing policy requires we lint the code. I'm a fan of [Python Black](https://github.com/psf/black) so unless anybody is opposed, I will use this tool.
I will also add a precommit hook…
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Pennylane builder [would like to personalize the icon](https://dust4ai.slack.com/archives/C05A4RWJQKC/p1691595439890789) of the Custom data sources to make those more identifiable by the end user. Tod…