.. versionadded:: 3.2
.. versionchanged:: 3.1
- Support for the :keyword:`with` statement was added.
+ Support for the :keyword:`with` statement was added, along with the
+ *mtime* argument.
.. versionchanged:: 3.2
- Support for zero-padded files was added.
-
- .. versionchanged:: 3.2
- Support for unseekable files was added.
+ Support for zero-padded and unseekable files was added.
.. versionchanged:: 3.3
The :meth:`io.BufferedIOBase.read1` method is now implemented.