Daily rc sync to master $(date +'%Y-%m-%d') (#3845)

* Undeprecate `ApproxTimeEvolution` (#3797)

* readd ApproxTimeEvolution

* More

* Full deprecation

* Fix (#3801)

* Register `SpecialUnitary` operation with `DefaultMixed` and `NullQubit` (#3651)

* Add SpecialUnitary, its utilities and tests

* changelog

* whitespace

* docstrings

* empty

* device test

* black

* linting and test coverage

* registered in default qubit and added tests

* registered in default mixed and added tests

* black

* changelog

* register with null qubit, add test, lint null qubit test as bonus

* black

* update docstring

* revert some changes/continued merge

* remove old namespace dependencies

* black

* lint

* docstring typo

* lint

* remove inverse testing

* change reference

* revert addition

* add ParametrizedEvolution to mixed device (#3794)

* add ParametrizedEvolution to mixed device

* black test

* make test more broad

* black tests

* Update tests/pulse/test_parametrized_evolution.py

Co-authored-by: David Wierichs <david.wierichs@xanadu.ai>

* sparse implementation

* Revert "Merge branch 'evolvemixed' of https://github.com/PennyLaneAI/pennylane into evolvemixed"

This reverts commit e653b50, reversing
changes made to bb2d3d6.

* Revert "sparse implementation"

This reverts commit bb2d3d6.

* review comment

* trigger ci

---------

Co-authored-by: David Wierichs <david.wierichs@xanadu.ai>

* little touchups while reviewing changes in 0.29 (#3809)

* Update pulse module documentation examples (#3805)

* init

* spacing

* windows parsing in rect()

* revert jnp.array parameters, doc typo

* test docstring, remove interface warning

* doc fix?

* lint

---------

Co-authored-by: lillian542 <38584660+lillian542@users.noreply.github.com>

* Raise error when using `qml.probs` in the computational basis with non-commuting observables (#3811)

* 🐛 fix (MeasurementProcess): Change if a measurement is using the computational basis.

* 🎨 style (MeasurementProcess): Remove useless properties.

* 🧪 tests (qscript): Fix tests.

* 🧪 tests (measurements): Fix tests.

* 🧪 tests (return_types): Fix tests.

* 🧪 tests (tape): Fix tests.

* 🧪 tests (circuit_graph): Fix tests.

* 🧪 tests (return_types): Fix tests.

* 🧪 tests (return_types): Fix tests.

* ✏️ chore (changelog): Add changelog entry.

* 🔧 refactor (MeasurementProcess): Change method name.

* 🔧 refactor (MeasurementProcess): Change method name.

* 🔧 refactor (MeasurementProcess): Change method name.

* Update pennylane/tape/qscript.py

Co-authored-by: Romain Moyard <rmoyard@gmail.com>

---------

Co-authored-by: Romain Moyard <rmoyard@gmail.com>

* docs: consistent naming of tape instance in docstr (#3795)

as title states. nothing fancy here

* Documentation fixes (#3808)

* fix some type hints

* minor docstring fixes

* minor docstring changes

* fix rendering issue

* Update pennylane/pulse/parametrized_hamiltonian.py

---------

Co-authored-by: Matthew Silverman <matthews@xanadu.ai>

* Fix docs of new features (#3818)

* ✏️ chore (changelog): Fix changelog entry.

* 📝 docs (BasisRotation): Fix docstrings.

* 📝 docs (xyx_decompositions): Fix docstring.

* 📝 docs (metric_tensor): Fix docstring.

* Minor fixes for v0.29 release (#3815)

* Added fixes for auto documentation

* Added minor doc changes for hadamard gradient

* Added fix for queuing diagonalizing gates

* Small fix to IsingZZ doc

* Fixed doc for max_entropy

---------

Co-authored-by: Albert Mitjans <a.mitjanscoma@gmail.com>

* Copy one-electron integrals inside `_chemist_transform` (#3816)

* fix inplace one-int issue in `_chemist_transform`

* add test to assert no inplace manipulation happens

* happy black

* Fix equal for measurements with observables, measurement process repr, Hermitian casting fix (#3820)

* equal with measurement processes

* not change math.asarray for autograd

* not change math.asarray for autograd

* Update doc/releases/changelog-0.29.0.md

* add coverage for measurements of observables that are equal but have different wire orders

* break up docstrings, test hermitian case

* Update exp.py

fixing docs typo in RC branch

* Docstring fixes for unchanged functions (#3824)

* Added docstring fixes for old functions

* Updated more docs

* Changing functions

* Fixed more docstrings

* Added changes to more function docs

* Fix to build sphinx

* Addressing PR comments

* fix docker link; remove old inv comment (#3823)

* Device api doc typo fixes (#3819)

* tiny doc edits

* Update pennylane/devices/experimental/device_api.py

Co-authored-by: Matthew Silverman <matthews@xanadu.ai>

* seealso

* Update pennylane/devices/experimental/device_api.py

Co-authored-by: Christina Lee <christina@xanadu.ai>

---------

Co-authored-by: Matthew Silverman <matthews@xanadu.ai>
Co-authored-by: Christina Lee <christina@xanadu.ai>

* un-deprecate make_tape (#3807)

* Update changelog (#3719)

* Update changelog-dev.md

* Remove

* Move pulse

* Update title

* pulse edits

* minor

* Absorb new additions

* Reorder improvements

* Add new section

* Add commas to contributors section

* Remove order requirement

* Rearrange

* Simplify pulse section

* Improve

* Improve

* Improve

* Improve

* Add additional section

* Update doc/releases/changelog-dev.md

* brackets around PR numbers

Co-authored-by: Tom Bromley <49409390+trbromley@users.noreply.github.com>

* Apply suggestions from code review

Co-authored-by: Isaac De Vlugt <34751083+isaacdevlugt@users.noreply.github.com>

* Apply suggestions from code review

Co-authored-by: Isaac De Vlugt <34751083+isaacdevlugt@users.noreply.github.com>

* Add suggestions

Co-authored-by: Isaac De Vlugt <34751083+isaacdevlugt@users.noreply.github.com>

* Update doc/releases/changelog-dev.md

* qml.

* removed TODO markers

* deps and breaking changes

* deps and breaking changes

* Move addtion

* Apply suggestions from code review

* Update

* Update

* Update

* Update

* Update

* Update

* Apply suggestions from code review

* Update

* Update

* Update

* Update

* Add for Evolve

* Add

* Apply suggestions from code review

Co-authored-by: Korbinian Kottmann <43949391+Qottmann@users.noreply.github.com>

* Fix code

* minor

* minor

* minor

* minor

* minor

* minor

* minor

* minor

* minor

* minor

* Tom

* Add entry

* Update name

* Update

* Rearrange for auto

* Typo

* Remove ApproxTimeEvolution deprecation

* Typo

* minor

* minor

* Fix warning

* Maybe fix warning

* Add a few entries

* Add breaking change

* Maybe fix error

* Maybe fix warning

* minor

* minor

* add details to changelog for marginal_prob bug (#3821)

* Add subsection

* Update

* Update

* Add

---------

Co-authored-by: Isaac De Vlugt <isaacdevlugt@gmail.com>
Co-authored-by: Isaac De Vlugt <34751083+isaacdevlugt@users.noreply.github.com>
Co-authored-by: Korbinian Kottmann <43949391+Qottmann@users.noreply.github.com>
Co-authored-by: Matthew Silverman <matthews@xanadu.ai>

* Fix sign expand (#3814)

* Tape queue to script

* Fix doc

* QNode example

* Apply suggestions from code review

* Apply suggestions from code review

Co-authored-by: Matthew Silverman <matthews@xanadu.ai>

* use new pauli module

---------

Co-authored-by: Matthew Silverman <matthews@xanadu.ai>
Co-authored-by: Albert Mitjans <a.mitjanscoma@gmail.com>

* Fix (#3828)

* Remove warning. (#3829)

* Update deprecations page (#3830)

* Update grouping

* Update seed recipes

* Update QubitDevice.statistics

* Raise error if JAX or jaxlib are 0.4.4 (#3813)

* Raise error for 0.4.4 jaxlib and jax

* add tests

* black for tests

* add jax mark for test

* Remove jaxlib check

Co-authored-by: Filippo Vicentini <filippovicentini@gmail.com>

* More detailed error msg

Co-authored-by: Filippo Vicentini <filippovicentini@gmail.com>

* Update tests

* Tests and black

* Typo

* Change

---------

Co-authored-by: Filippo Vicentini <filippovicentini@gmail.com>
Co-authored-by: Romain Moyard <rmoyard@gmail.com>

* 0.29 changelog updates (#3835)

* Update codeblock type

* Update example

* Wording

* Add CTA

* Update wire number

* Remove wire

* Update wording

* Add

* Fix imports

* Add deprecation

* Remove tilde

* Merge data and other improvements

* Typo

* Typo

* Typo

* Emojis

* Remove whitespace

* remove duplicate entries

* Apply suggestions from code review

Co-authored-by: Matthew Silverman <matthews@xanadu.ai>

---------

Co-authored-by: Matthew Silverman <matthews@xanadu.ai>

* Docfix/circuits note gpu (#3836)

* Fix note on lightning.gpu plugin in intro/circuits.

* Update doc/releases/changelog-0.29.0.md.

---------

Co-authored-by: Christina Lee <christina@xanadu.ai>

* Promote warning about vanilla version of NumPy to RST warning. (#3838)

* Promote warning about vanilla version of NumPy from bold format to RST warning. Make Autograd case uniform.

* Update changlog.

* fix strings that wrap around without a space (#3837)

* fix strings that wrap around without a space

* missed one

* always use trailing whitespace instead of leading

---------

Co-authored-by: Christina Lee <christina@xanadu.ai>

* Use default.qubit.jax instead of default.qubit (#3839)

* Use default.qubit.jax instead of default.qubit

* Apply suggestions from code review

Taking the liberty to commit these changes here due to time sensitivity

* Revert "Apply suggestions from code review
"

This reverts commit d457ffb.

---------

Co-authored-by: Korbinian Kottmann <43949391+Qottmann@users.noreply.github.com>
Co-authored-by: Korbinian Kottmann <Korbinian.Kottmann@gmail.com>

* Update header images (#3827)

Co-authored-by: Tom Bromley <49409390+trbromley@users.noreply.github.com>

* exclude files from pr

---------

Co-authored-by: Romain Moyard <rmoyard@gmail.com>
Co-authored-by: David Wierichs <david.wierichs@xanadu.ai>
Co-authored-by: Korbinian Kottmann <43949391+Qottmann@users.noreply.github.com>
Co-authored-by: Matthew Silverman <matthews@xanadu.ai>
Co-authored-by: lillian542 <38584660+lillian542@users.noreply.github.com>
Co-authored-by: Albert Mitjans <a.mitjanscoma@gmail.com>
Co-authored-by: Christina Lee <christina@xanadu.ai>
Co-authored-by: Mudit Pandey <mudit.pandey@xanadu.ai>
Co-authored-by: Utkarsh <utkarshazad98@gmail.com>
Co-authored-by: Nathan Killoran <co9olguy@users.noreply.github.com>
Co-authored-by: Tom Bromley <49409390+trbromley@users.noreply.github.com>
Co-authored-by: Isaac De Vlugt <isaacdevlugt@gmail.com>
Co-authored-by: Isaac De Vlugt <34751083+isaacdevlugt@users.noreply.github.com>
Co-authored-by: Filippo Vicentini <filippovicentini@gmail.com>
Co-authored-by: Vincent Michaud-Rioux <vincentm@nanoacademic.com>
Co-authored-by: Korbinian Kottmann <Korbinian.Kottmann@gmail.com>
Co-authored-by: GitHub Actions Bot <>

doc/releases/changelog-0.29.0.md

@@ -52,11 +52,11 @@
       return qml.expval(qml.PauliX(0) @ qml.PauliY(1))
   ```
 
-  Pulse-based circuits can be executed and differentiated on the `default.qubit` simulator using JAX
-  as an interface:
+  Pulse-based circuits can be executed and differentiated on the `default.qubit.jax` simulator using
+  JAX as an interface:
 
   ```pycon
-  >>> dev = qml.device("default.qubit", wires=2)
+  >>> dev = qml.device("default.qubit.jax", wires=2)
   >>> qnode = qml.QNode(pulse_circuit, dev, interface="jax")
   >>> params = (p1, p2)
   >>> qnode(params, time=0.5)

pennylane/ops/functions/evolve.py

@@ -138,7 +138,7 @@ def evolve(*args, **kwargs):  # pylint: disable=unused-argument
 
         import jax
 
-        dev = qml.device("default.qubit", wires=4)
+        dev = qml.device("default.qubit.jax", wires=4)
         @jax.jit
         @qml.qnode(dev, interface="jax")
         def circuit(params):

pennylane/pulse/__init__.py

@@ -212,7 +212,7 @@
 
     import jax
 
-    dev = qml.device("default.qubit", wires=1)
+    dev = qml.device("default.qubit.jax", wires=1)
 
     @jax.jit
     @qml.qnode(dev, interface="jax")

pennylane/pulse/convenience_functions.py

@@ -57,7 +57,7 @@ def constant(scalar, time):
 
     .. code-block:: python
 
-        dev = qml.device("default.qubit", wires=1)
+        dev = qml.device("default.qubit.jax", wires=1)
         @qml.qnode(dev, interface="jax")
         def circuit(params):
             qml.evolve(H)(params, t=2)

pennylane/pulse/parametrized_evolution.py

@@ -114,7 +114,7 @@ class ParametrizedEvolution(Operation):
 
         import jax
 
-        dev = qml.device("default.qubit", wires=1)
+        dev = qml.device("default.qubit.jax", wires=1)
         @jax.jit
         @qml.qnode(dev, interface="jax")
         def circuit(params):
@@ -195,7 +195,7 @@ def f2(p, t):
 
         .. code-block:: python
 
-            dev = qml.device("default.qubit", wires=3)
+            dev = qml.device("default.qubit.jax", wires=3)
 
             @qml.qnode(dev, interface="jax")
             def circuit1(params):