DOC: Remove all versionchanged / versionadded directives < 1.0.0 (#50057)

Author: iofall

doc/source/user_guide/dsintro.rst

@@ -712,10 +712,8 @@ The ufunc is applied to the underlying array in a :class:`Series`.
  ser = pd.Series([1, 2, 3, 4])
  np.exp(ser)
 
-.. versionchanged:: 0.25.0
-
- When multiple :class:`Series` are passed to a ufunc, they are aligned before
- performing the operation.
+When multiple :class:`Series` are passed to a ufunc, they are aligned before
+performing the operation.
 
 Like other parts of the library, pandas will automatically align labeled inputs
 as part of a ufunc with multiple inputs. For example, using :meth:`numpy.remainder`

doc/source/user_guide/groupby.rst

@@ -629,8 +629,6 @@ For a grouped ``DataFrame``, you can rename in a similar manner:
 Named aggregation
 ~~~~~~~~~~~~~~~~~
 
-.. versionadded:: 0.25.0
-
 To support column-specific aggregation *with control over the output column names*, pandas
 accepts the special syntax in :meth:`DataFrameGroupBy.agg` and :meth:`SeriesGroupBy.agg`, known as "named aggregation", where
 

doc/source/user_guide/io.rst

@@ -294,8 +294,6 @@ cache_dates : boolean, default True
  conversion. May produce significant speed-up when parsing duplicate
  date strings, especially ones with timezone offsets.
 
- .. versionadded:: 0.25.0
-
 Iteration
 +++++++++
 
@@ -3829,8 +3827,6 @@ using the `odfpy <https://pypi.org/project/odfpy/>`__ module. The semantics and
 OpenDocument spreadsheets match what can be done for `Excel files`_ using
 ``engine='odf'``.
 
-.. versionadded:: 0.25
-
 The :func:`~pandas.read_excel` method can read OpenDocument spreadsheets
 
 .. code-block:: python
@@ -6134,8 +6130,6 @@ No official documentation is available for the SAS7BDAT format.
 SPSS formats
 ------------
 
-.. versionadded:: 0.25.0
-
 The top-level function :func:`read_spss` can read (but not write) SPSS
 SAV (.sav) and ZSAV (.zsav) format files.
 

doc/source/user_guide/reshaping.rst

@@ -890,8 +890,6 @@ Note to subdivide over multiple columns we can pass in a list to the
 Exploding a list-like column
 ----------------------------
 
-.. versionadded:: 0.25.0
-
 Sometimes the values in a column are list-like.
 
 .. ipython:: python

doc/source/user_guide/sparse.rst

@@ -127,9 +127,6 @@ attributes and methods that are specific to sparse data.
 This accessor is available only on data with ``SparseDtype``, and on the :class:`Series`
 class itself for creating a Series with sparse data from a scipy COO matrix with.
 
-
-.. versionadded:: 0.25.0
-
 A ``.sparse`` accessor has been added for :class:`DataFrame` as well.
 See :ref:`api.frame.sparse` for more.
 
@@ -271,8 +268,6 @@ Interaction with *scipy.sparse*
 
 Use :meth:`DataFrame.sparse.from_spmatrix` to create a :class:`DataFrame` with sparse values from a sparse matrix.
 
-.. versionadded:: 0.25.0
-
 .. ipython:: python
 
  from scipy.sparse import csr_matrix

doc/source/user_guide/timeseries.rst

@@ -647,8 +647,6 @@ We are stopping on the included end-point as it is part of the index:
  dft2 = dft2.swaplevel(0, 1).sort_index()
  dft2.loc[idx[:, "2013-01-05"], :]
 
-.. versionadded:: 0.25.0
-
 Slicing with string indexing also honors UTC offset.
 
 .. ipython:: python
@@ -2348,8 +2346,6 @@ To return ``dateutil`` time zone objects, append ``dateutil/`` before the string
  )
  rng_utc.tz
 
-.. versionadded:: 0.25.0
-
 .. ipython:: python
 
  # datetime.timezone

pandas/_libs/interval.pyx

@@ -126,8 +126,6 @@ cdef class IntervalMixin:
  """
  Indicates if an interval is empty, meaning it contains no points.
 
- .. versionadded:: 0.25.0
-
  Returns
  -------
  bool or ndarray

pandas/_libs/tslibs/nattype.pyx

@@ -265,8 +265,6 @@ cdef class _NaT(datetime):
  """
  Convert the Timestamp to a NumPy datetime64 or timedelta64.
 
- .. versionadded:: 0.25.0
-
  With the default 'dtype', this is an alias method for `NaT.to_datetime64()`.
 
  The copy parameter is available here only for compatibility. Its value

pandas/_libs/tslibs/timedeltas.pyx

@@ -1243,8 +1243,6 @@ cdef class _Timedelta(timedelta):
  """
  Convert the Timedelta to a NumPy timedelta64.
 
- .. versionadded:: 0.25.0
-
  This is an alias method for `Timedelta.to_timedelta64()`. The dtype and
  copy parameters are available here only for compatibility. Their values
  will not affect the return value.

pandas/_libs/tslibs/timestamps.pyx

@@ -1090,8 +1090,6 @@ cdef class _Timestamp(ABCTimestamp):
  """
  Convert the Timestamp to a NumPy datetime64.
 
- .. versionadded:: 0.25.0
-
  This is an alias method for `Timestamp.to_datetime64()`. The dtype and
  copy parameters are available here only for compatibility. Their values
  will not affect the return value.