Address @yardasol review comments

docs/source/releasenotes/0.13.1.rst

@@ -13,11 +13,12 @@ geometry modeling, mesh functionality, source specification, depletion
 capabilities, and other general enhancements. The depletion module features a
 new transport operator, :class:`openmc.deplete.IndependentOperator`, that allows
 a depletion calculation to be performed using arbitrary one-group cross sections
-(e.g., generated by an external solver). The track file generation capability
-has been significantly overhauled and a new :class:`openmc.Tracks` class was
-introduced to allow access to information in track files from the Python API.
-Support has been added for new ENDF thermal scattering evaluations that use
-mixed coherent/incoherent elastic scattering.
+(e.g., generated by an external solver) along with a
+:class:`openmc.deplete.MicroXS` class for managing one-group cross sections. The
+track file generation capability has been significantly overhauled and a new
+:class:`openmc.Tracks` class was introduced to allow access to information in
+track files from the Python API. Support has been added for new ENDF thermal
+scattering evaluations that use mixed coherent/incoherent elastic scattering.
 
 ------------------------------------
 Compatibility Notes and Deprecations
@@ -67,7 +68,8 @@ Compatibility Notes and Deprecations
 New Features
 ------------
 
-- An :class:`openmc.model.IsogonalOctagon` composite surface.
+- Two new composite surfaces: :class:`openmc.model.IsogonalOctagon` and
+  :class:`openmc.model.CylinderSector`.
 - The :class:`~openmc.DAGMCUniverse` class now has a
   :attr:`~openmc.DAGMCUniverse.bounding_box` attribute and a
   :meth:`~openmc.DAGMCUniverse.bounding_region` method.
@@ -98,7 +100,7 @@ New Features
 - An ``openmc_sample_external_source`` function has been added to the C API with
   a corresponding Python binding :func:`openmc.lib.sample_external_source`.
 - The track file generation capability has been completely overhauled. Track
-  files now include much more information, and a new :class:`~openmc.TrackFile`
+  files now include much more information, and a new :class:`~openmc.Tracks`
   class allows access to track file information from the Python API. Multiple
   tracks are now written to a single file (one per MPI rank).
 - A new :func:`openmc.wwinp_to_wws` function that converts weight windows from a

openmc/deplete/results.py

@@ -46,6 +46,9 @@ class Results(list):
     each depletion step and provides extra methods for interrogating these
     results.
 
+    .. versionchanged:: 0.13.1
+        Name changed from ``ResultsList`` to ``Results``
+
     Parameters
     ----------
     filename : str

openmc/deplete/stepresult.py

@@ -23,6 +23,9 @@ __all__ = ["StepResult"]
 class StepResult:
     """Result of a single depletion timestep
 
+    .. versionchanged:: 0.13.1
+        Name changed from ``Results`` to ``StepResult``
+
     Attributes
     ----------
     k : list of (float, float)

openmc/mgxs/mgxs.py

@@ -3107,6 +3107,8 @@ class ReducedAbsorptionXS(MGXS):
        3\sigma_{n,4n}(r,E) \right) \psi (r, E, \Omega)}{\int_{r \in V} dr
        \int_{4\pi} d\Omega \int_{E_g}^{E_{g-1}} dE \; \psi (r, E, \Omega)}.
 
+    .. versionadded:: 0.13.1
+
     """
 
     def __init__(self, domain=None, domain_type=None, energy_groups=None,

openmc/model/surface_composite.py

@@ -64,6 +64,8 @@ class CylinderSector(CompositeSurface):
     operators applied to it will produce a half-space. The negative
     side is defined to be the region inside of the cylinder sector.
 
+    .. versionadded:: 0.13.1
+
     Parameters
     ----------
     r1 : float
@@ -225,6 +227,8 @@ class IsogonalOctagon(CompositeSurface):
     operators applied to it will produce a half-space. The negative side is
     defined to be the region inside of the octogonal prism.
 
+    .. versionadded:: 0.13.1
+
     Parameters
     ----------
     center : iterable of float

openmc/stats/multivariate.py

@@ -377,7 +377,10 @@ class SphericalIndependent(Spatial):
     :math:`\theta`, and :math:`\phi` components are sampled independently
     from one another and centered on the coordinates (x0, y0, z0).
 
-    .. versionadded: 0.12
+    .. versionadded:: 0.12
+
+    .. versionchanged:: 0.13.1
+        Accepts ``cos_theta`` instead of ``theta``
 
     Parameters
     ----------
@@ -787,7 +790,7 @@ def spherical_uniform(r_outer, r_inner=0.0, thetas=(0., pi), phis=(0., 2*pi),
     shell between `r_inner` and `r_outer`. Optionally, the range of angles
     can be restricted by the `thetas` and `phis` arguments.
 
-    .. versionadded: 0.13.1
+    .. versionadded:: 0.13.1
 
     Parameters
     ----------

openmc/stats/univariate.py

@@ -1059,7 +1059,7 @@ class Tabular(Univariate):
     def integral(self):
         """Return integral of distribution
 
-        .. versionadded: 0.13.1
+        .. versionadded:: 0.13.1
 
         Returns
         -------

openmc/tracks.py

@@ -47,6 +47,8 @@ class Track(Sequence):
     primary/secondary particle is stored in the :attr:`particle_tracks`
     attribute.
 
+    .. versionadded:: 0.13.1
+
     Parameters
     ----------
     dset : h5py.Dataset
@@ -201,6 +203,8 @@ class Tracks(list):
     This class behaves like a list and can be indexed using the normal subscript
     notation. Each element in the list is a :class:`openmc.Track` object.
 
+    .. versionadded:: 0.13.1
+
     Parameters
     ----------
     filepath : str or pathlib.Path
@@ -286,7 +290,7 @@ class Tracks(list):
         # Initialize data arrays and offset.
         points = vtk.vtkPoints()
         cells = vtk.vtkCellArray()
-    
+
         point_offset = 0
         for particle in self:
             for pt in particle.particle_tracks: