Simple OpenQASM 3.0 expressions and casts

doc/releases/changelog-dev.md

@@ -8,6 +8,7 @@
   that can be subsequently loaded into QNodes and executed. 
   [(#7432)](https://github.com/PennyLaneAI/pennylane/pull/7432)
   [(#7486)](https://github.com/PennyLaneAI/pennylane/pull/7486)
+  [(#7488)](https://github.com/PennyLaneAI/pennylane/pull/7488)
 
   ```python
   import pennylane as qml

pennylane/io/io.py

@@ -848,9 +848,9 @@ def from_qasm3(quantum_circuit: str, wire_map: dict = None):
     Converts an OpenQASM 3.0 circuit into a quantum function that can be used within a QNode.
 
     .. note::
-        The following OpenQASM 3.0 gates are not supported: sdg, tdg, cu. The remaining standard library gates as well
-        as ``end`` statements are supported. Robust variables, subroutines, control flow, measurements, built-in mathematical
-        functions and constants, custom gates, and pulses are not yet supported.
+        The following OpenQASM 3.0 gates and features are not supported: sdg, tdg, cu, subroutines, control flow,
+        measurements, built-in mathematical functions and constants, and custom gates. The remaining standard library
+        gates as well as ``end`` statements and variables are supported.
 
         In order to use this function, ``openqasm3`` and ``'openqasm3[parser]'`` must be installed in the user's
         environment. Please consult the `OpenQASM installation instructions <https://pypi.org/project/openqasm3/>`