Prepare 0.23.3

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "qiskit-terra"
-version = "0.23.2"
+version = "0.23.3"
 edition = "2021"
 rust-version = "1.56.1"
 

docs/conf.py

@@ -24,7 +24,7 @@
 # The short X.Y version
 version = "0.23"
 # The full version, including alpha/beta/rc tags
-release = "0.23.2"
+release = "0.23.3"
 
 extensions = [
     "sphinx.ext.napoleon",

qiskit/VERSION.txt

@@ -1 +1 @@
-0.23.2
+0.23.3

qiskit/circuit/__init__.py

@@ -310,6 +310,14 @@
    :toctree: ../stubs/
 
    random.random_circuit
+
+Commutation Utilities
+---------------------
+
+.. autosummary::
+   :toctree: ../stubs/
+
+   CommutationChecker
 """
 from .quantumcircuit import QuantumCircuit
 from .classicalregister import ClassicalRegister, Clbit

qiskit/circuit/commutation_checker.py

@@ -28,13 +28,13 @@ def _identity_op(num_qubits):
     )
 
 
+# This code is essentially copy-pasted from commutative_analysis.py.
+# This code cleverly hashes commutativity and non-commutativity results between DAG nodes and seems
+# quite efficient for large Clifford circuits.
+# They may be other possible efficiency improvements: using rule-based commutativity analysis,
+# evicting from the cache less useful entries, etc.
 class CommutationChecker:
-    """This code is essentially copy-pasted from commutative_analysis.py.
-    This code cleverly hashes commutativity and non-commutativity results between DAG nodes and seems
-    quite efficient for large Clifford circuits.
-    They may be other possible efficiency improvements: using rule-based commutativity analysis,
-    evicting from the cache less useful entries, etc.
-    """
+    """Checks if two Operations commute."""
 
     def __init__(self):
         super().__init__()

qiskit/quantum_info/__init__.py

@@ -42,6 +42,7 @@
    Statevector
    DensityMatrix
    StabilizerState
+   QuantumState
 
 Channels
 ========
@@ -128,7 +129,7 @@
 from .operators.measures import process_fidelity, average_gate_fidelity, gate_error, diamond_norm
 from .operators.dihedral import CNOTDihedral
 
-from .states import Statevector, DensityMatrix, StabilizerState
+from .states import Statevector, DensityMatrix, StabilizerState, QuantumState
 from .states import (
     partial_trace,
     state_fidelity,

qiskit/quantum_info/states/__init__.py

@@ -14,6 +14,7 @@
 
 from .statevector import Statevector
 from .stabilizerstate import StabilizerState
+from .quantum_state import QuantumState
 from .densitymatrix import DensityMatrix
 from .utils import partial_trace, shannon_entropy
 from .measures import (

releasenotes/notes/0.23/fix-transpiler-optimize-1q-decomposition-score-e79ea05c3cf1b6fa.yaml

@@ -1,6 +1,6 @@
 ---
 fixes:
   - |
-    Fixes a bug in the :class:`Optimize1qGatesDecomposition` transformation pass
+    Fixes a bug in the :class:`.Optimize1qGatesDecomposition` transformation pass
     where the score for substitutions was wrongly calculated when the gate
     errors are zero.

releasenotes/notes/clip-quantumstate-probabilities-5c9ce05ffa699a63.yaml

@@ -4,5 +4,5 @@ fixes:
     Clip probabilities in the :meth:`.QuantumState.probabilities` and 
     :meth:`.QuantumState.probabilities_dict` methods to the interval ``[0, 1]``.
     This fixes roundoff errors where probabilities could e.g. be larger than 1, leading 
-    to errors in the shot emulation of the :class:`.Sampler`.
+    to errors in the shot emulation of the sampler.
     Fixed `#9761 <https://github.com/Qiskit/qiskit-terra/issues/9761>`__.

releasenotes/notes/fix-bound-pm-backend-primitives-98fd11c5e852501c.yaml

@@ -1,7 +1,7 @@
 ---
 fixes:
   - |
-    Fixed the :class:`.BackendSampler` and :class:`.BackendExtimator` to run successfully
+    Fixed the :class:`.BackendSampler` and :class:`.BackendEstimator` to run successfully
     with a custom ``bound_pass_manager``. Previously, the execution for single circuits with
     a ``bound_pass_manager`` would raise a ``ValueError`` because a list was not returned
     in one of the steps.

releasenotes/notes/fix-memory-commutation-checker-dbb441de68706b6f.yaml

@@ -1,7 +1,7 @@
 ---
 fixes:
   - |
-    Fixed an issue with the :class:`~.CommutationChecker` class where it would
+    Fixed an issue with the :class:`.CommutationChecker` class where it would
     attempt to internally allocate an array for :math:`2^{n}` qubits when it
     only needed an array to represent :math:`n` qubits. This could cause
     an excessive amount of memory for wide gates, for example a 4 qubit

releasenotes/notes/prepare-0.23.3-bf51a905756c4876.yaml

@@ -0,0 +1,3 @@
+---
+prelude: >
+  Qiskit Terra 0.23.3 is a minor bugfix release.  

setup.py

@@ -54,7 +54,7 @@
 
 setup(
     name="qiskit-terra",
-    version="0.23.2",
+    version="0.23.3",
     description="Software for developing quantum computing programs",
     long_description=README,
     long_description_content_type="text/markdown",