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Diffstat (limited to '3rdparty/pybind11/docs/limitations.rst')
| -rw-r--r-- | 3rdparty/pybind11/docs/limitations.rst | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/3rdparty/pybind11/docs/limitations.rst b/3rdparty/pybind11/docs/limitations.rst index be7300cd..def5ad65 100644 --- a/3rdparty/pybind11/docs/limitations.rst +++ b/3rdparty/pybind11/docs/limitations.rst @@ -57,16 +57,16 @@ clean, well written patch would likely be accepted to solve them. Python 3.9.0 warning ^^^^^^^^^^^^^^^^^^^^ -Combining older versions of pybind11 (< 2.6.0) with Python on 3.9.0 will -trigger undefined behavior that typically manifests as crashes during +Combining older versions of pybind11 (< 2.6.0) with Python on exactly 3.9.0 +will trigger undefined behavior that typically manifests as crashes during interpreter shutdown (but could also destroy your data. **You have been warned**). -This issue has been -`fixed in Python <https://github.com/python/cpython/pull/22670>`_. As a -mitigation until 3.9.1 is released and commonly used, pybind11 (2.6.0 or newer) -includes a temporary workaround specifically when Python 3.9.0 is detected at -runtime, leaking about 50 bytes of memory when a callback function is garbage -collected. For reference; the pybind11 test suite has about 2,000 such -callbacks, but only 49 are garbage collected before the end-of-process. Wheels -built with Python 3.9.0 will correctly avoid the leak when run in Python 3.9.1. +This issue was `fixed in Python <https://github.com/python/cpython/pull/22670>`_. +As a mitigation for this bug, pybind11 2.6.0 or newer includes a workaround +specifically when Python 3.9.0 is detected at runtime, leaking about 50 bytes +of memory when a callback function is garbage collected. For reference, the +pybind11 test suite has about 2,000 such callbacks, but only 49 are garbage +collected before the end-of-process. Wheels (even if built with Python 3.9.0) +will correctly avoid the leak when run in Python 3.9.1, and this does not +affect other 3.X versions. |