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Switch to wheel.mk. 3.0.1 (2023-10-25) ================== - Fix a potential crash on Python 3.8 at interpreter shutdown time. This was a regression from earlier 3.0.x releases. Reported by Matt Wozniski in `issue 376 <https://github.com/python-greenlet/greenlet/issues/376>`_. 3.0.0 (2023-10-02) ================== - No changes from 3.0rc3 aside from the version number. 3.0.0rc3 (2023-09-12) ===================== - Fix an intermittent error during process termination on some platforms (GCC/Linux/libstdc++). 3.0.0rc2 (2023-09-09) ===================== - Fix some potential bugs (assertion failures and memory leaks) in previously-untested error handling code. In some cases, this means that the process will execute a controlled ``abort()`` after severe trouble when previously the process might have continued for some time with a corrupt state. It is unlikely those errors occurred in practice. - Fix some assertion errors and potential bugs with re-entrant switches. - Fix a potential crash when certain compilers compile greenlet with high levels of optimization. The symptom would be that switching to a greenlet for the first time immediately crashes. - Fix a potential crash when the callable object passed to the greenlet constructor (or set as the ``greenlet.run`` attribute) has a destructor attached to it that switches. Typically, triggering this issue would require an unlikely subclass of ``greenlet.greenlet``. - Python 3.11+: Fix rare switching errors that could occur when a garbage collection was triggered during the middle of a switch, and Python-level code in ``__del__`` or weakref callbacks switched to a different greenlet and ultimately switched back to the original greenlet. This often manifested as a ``SystemError``: "switch returned NULL without an exception set." For context on the fixes, see `gevent issue #1985 <https://github.com/gevent/gevent/issues/1985>`_. 3.0.0rc1 (2023-09-01) ===================== - Windows wheels are linked statically to the C runtime in an effort to prevent import errors on systems without the correct C runtime installed. It's not clear if this will make the situation better or worse, so please share your experiences in `issue 346 <https://github.com/python-greenlet/greenlet/issues/346>`_. Note that this only applies to the binary wheels found on PyPI. Building greenlet from source defaults to the shared library. Set the environment variable ``GREENLET_STATIC_RUNTIME=1`` at build time to change that. - Build binary wheels for Python 3.12 on macOS. - Fix compiling greenlet on a debug build of CPython 3.12. There is `one known issue <https://github.com/python-greenlet/greenlet/issues/368>`_ that leads to an interpreter crash on debug builds. - Python 3.12: Fix walking the frame stack of suspended greenlets. Previously accessing ``glet.gr_frame.f_back`` would crash due to `changes in CPython's undocumented internal frame handling <https://github.com/python/cpython/commit/1e197e63e21f77b102ff2601a549dda4b6439455>`_. Platforms --------- - Now, greenlet *may* compile and work on Windows ARM64 using llvm-mingw, but this is untested and unsupported. See `PR <https://github.com/python-greenlet/greenlet/pull/224>`_ by Adrian Vladu. - Now, greenlet *may* compile and work on LoongArch64 Linux systems, but this is untested and unsupported. See `PR 257 <https://github.com/python-greenlet/greenlet/pull/257/files>`_ by merore. Known Issues ------------ - There may be (very) subtle issues with tracing on Python 3.12, which has redesigned the entire tracing infrastructure. 3.0.0a1 (2023-06-21) ==================== - Build binary wheels for S390x Linux. See `PR 358 <https://github.com/python-greenlet/greenlet/pull/358>`_ from Steven Silvester. - Fix a rare crash on shutdown seen in uWSGI deployments. See `issue 330 <https://github.com/python-greenlet/greenlet/issues/330>`_ and `PR 356 <https://github.com/python-greenlet/greenlet/pull/356>`_ from Andrew Wason. - Make the platform-specific low-level C/assembly snippets stop using the ``register`` storage class. Newer versions of standards remove this storage class, and it has been generally ignored by many compilers for some time. See `PR 347 <https://github.com/python-greenlet/greenlet/pull/347>`_ from Khem Raj. - Add initial support for Python 3.12. See `issue <https://github.com/python-greenlet/greenlet/issues/323>`_ and `PR <https://github.com/python-greenlet/greenlet/pull/327>`_; thanks go to (at least) Michael Droettboom, Andreas Motl, Thomas A Caswell, raphaelauv, Hugo van Kemenade, Mark Shannon, and Petr Viktorin. - Remove support for end-of-life Python versions, including Python 2.7, Python 3.5 and Python 3.6. - Require a compiler that supports ``noinline`` directives. See `issue 271 <https://github.com/python-greenlet/greenlet/issues/266>`_. - Require a compiler that supports C++11.
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