diff --git a/openmc/deplete/results.py b/openmc/deplete/results.py
index 3602d69181..c9dc198166 100644
--- a/openmc/deplete/results.py
+++ b/openmc/deplete/results.py
@@ -398,6 +398,8 @@ class Results(list):
         path : PathLike
             Path to materials XML file to read. Defaults to 'materials.xml'.
 
+            .. versionadded:: 0.13.3
+
         Returns
         -------
         mat_file : Materials
diff --git a/openmc/filter.py b/openmc/filter.py
index 3240c9e25d..cc7bdd9311 100644
--- a/openmc/filter.py
+++ b/openmc/filter.py
@@ -1349,6 +1349,8 @@ class EnergyFilter(RealFilter):
         (e.g., a source spectrum) based on tally results that were obtained from
         using an :class:`~openmc.EnergyFilter`.
 
+        .. versionadded:: 0.13.3
+
         Parameters
         ----------
         values : iterable of float
diff --git a/openmc/geometry.py b/openmc/geometry.py
index d01826a4dd..ad86cc56b4 100644
--- a/openmc/geometry.py
+++ b/openmc/geometry.py
@@ -537,6 +537,8 @@ class Geometry:
     def get_surfaces_by_name(self, name, case_sensitive=False, matching=False):
         """Return a list of surfaces with matching names.
 
+        .. versionadded:: 0.13.3
+
         Parameters
         ----------
         name : str
diff --git a/openmc/model/model.py b/openmc/model/model.py
index 78f02242ff..4202cf60b2 100644
--- a/openmc/model/model.py
+++ b/openmc/model/model.py
@@ -644,6 +644,8 @@ class Model:
             Exports a single model.xml file rather than separate files.
             Defaults to True.
 
+            .. versionadded:: 0.13.3
+
         Returns
         -------
         Path
diff --git a/openmc/model/surface_composite.py b/openmc/model/surface_composite.py
index 354a628832..25826723c6 100644
--- a/openmc/model/surface_composite.py
+++ b/openmc/model/surface_composite.py
@@ -632,6 +632,8 @@ class ZConeOneSided(CompositeSurface):
 class Polygon(CompositeSurface):
     """Create a polygon composite surface from a path of closed points.
 
+    .. versionadded:: 0.13.3
+
     Parameters
     ----------
     points : np.ndarray
@@ -927,7 +929,7 @@ class Polygon(CompositeSurface):
         if group is None:
             sidx = next(iter(neighbor_map))
             return self._group_simplices(neighbor_map, group=[sidx])
-        # Otherwise use the last simplex in the group 
+        # Otherwise use the last simplex in the group
         else:
             sidx = group[-1]
             # Remove current simplex from dictionary since it is in a group
diff --git a/openmc/tallies.py b/openmc/tallies.py
index 688369de04..1a27e1bd49 100644
--- a/openmc/tallies.py
+++ b/openmc/tallies.py
@@ -1436,6 +1436,8 @@ class Tally(IDManagerMixin):
             dimensions. This will result in more than one dimension per filter
             for the returned data array.
 
+            .. versionadded:: 0.13.3
+
         Returns
         -------
         numpy.ndarray