DOC: add versionadded to function descriptions

src/ampform/io/__init__.py

@@ -27,6 +27,8 @@ def aslatex(obj) -> str:
     """Render objects as a LaTeX `str`.
 
     The resulting `str` can for instance be given to `IPython.display.Math`.
+
+    .. versionadded:: 0.14.1
     """
     return str(obj)
 
@@ -76,7 +78,10 @@ def _(obj: Iterable) -> str:
 
 
 def improve_latex_rendering() -> None:
-    """Improve LaTeX rendering of an `~sympy.tensor.indexed.Indexed` object."""
+    """Improve LaTeX rendering of an `~sympy.tensor.indexed.Indexed` object.
+
+    .. versionadded:: 0.14.2
+    """
 
     def _print_Indexed_latex(self, printer, *args):  # noqa: N802
         base = printer._print(self.base)

src/ampform/sympy/__init__.py

@@ -292,6 +292,11 @@ def determine_indices(symbol: sp.Basic) -> list[int]:
 
 
 class UnevaluatableIntegral(sp.Integral):
+    """See :ref:`usage/sympy:Numerical integrals`.
+
+    .. versionadded:: 0.14.10
+    """
+
     abs_tolerance = 1e-5
     rel_tolerance = 1e-5
     limit = 50
@@ -356,6 +361,7 @@ def perform_cached_doit(
         <https://docs.python.org/3/using/cmdline.html#envvar-PYTHONHASHSEED>`_ to a
         fixed value.
 
+    .. versionadded:: 0.14.4
     .. automodule:: ampform.sympy._cache
     """
     if cache_directory is None:

src/ampform/sympy/_decorator.py

@@ -92,6 +92,8 @@ def argument(
 
     Creates a :class:`dataclasses.Field` with additional metadata for
     :func:`unevaluated` by wrapping around :func:`dataclasses.field`.
+
+    .. versionadded:: 0.14.8
     """
     return _create_field(
         default=default,
@@ -176,6 +178,10 @@ def unevaluated(
     True
     >>> expr.functor is Transformation
     True
+
+    .. versionadded:: 0.14.8
+    .. versionchanged:: 0.14.7
+        Renamed from :code:`@unevaluated_expression()` to :code:`@unevaluated()`.`
     """
     if assumptions is None:
         assumptions = {}