23.7.0 (2023-07-11)
===================
Features
--------
- Add preliminary support for Python 3.12, using greenlet 3.0a1. This
is somewhat tricky to build from source at this time, and there is
one known issue: On Python 3.12b3, dumping tracebacks of greenlets
is not available.
:issue:`1969`.
- Update the bundled c-ares version to 1.19.1.
See :issue:`1947`.
Bugfixes
--------
- Fix an edge case connecting a non-blocking ``SSLSocket`` that could result
in an AttributeError. In a change to match the standard library,
calling ``sock.connect_ex()`` on a subclass of ``socket`` no longer
calls the subclass's ``connect`` method.
Initial fix by Priyankar Jain.
See :issue:`1932`.
- Make gevent's ``FileObjectThread`` (mostly used on Windows) implement
``readinto`` cooperatively. PR by Kirill Smelkov.
See :issue:`1948`.
- Work around an ``AttributeError`` during cyclic garbage collection
when Python finalizers (``__del__`` and the like) attempt to use
gevent APIs. This is not a recommended practice, and it is unclear if
catching this ``AttributeError`` will fix any problems or just shift
them. (If we could determine the root situation that results in this
cycle, we might be able to solve it.)
See :issue:`1961`.
Deprecations and Removals
-------------------------
- Remove support for obsolete Python versions. This is everything prior
to 3.8.
Related changes include:
- Stop using ``pkg_resources`` to find entry points (plugins).
Instead, use ``importlib.metadata``.
- Honor ``sys.unraisablehook`` when a callback function produces an
exception, and handling the exception in the hub *also* produces an
exception. In older versions, these would be simply printed.
- ``setup.py`` no longer includes the ``setup_requires`` keyword.
Installation with a tool that understands ``pyproject.toml`` is
recommended.
- The bundled tblib has been updated to version 2.0.
3470d9050b