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docs: update changelog (#4042)
Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>
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Henry Schreiner
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@ -14,44 +14,164 @@ IN DEVELOPMENT
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Removed support for Python 2.7, Python 3.5, and MSVC 2015. Support for MSVC
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2017 is limited due to availability of CI runners; we highly recommend MSVC
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2019 or 2022 be used.
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2019 or 2022 be used. Initial support added for Python 3.11.
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New features:
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* ``py::anyset`` & ``py::frozenset`` were added, with copying (cast) to
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``std::set`` (similar to ``set``).
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`#3901 <https://github.com/pybind/pybind11/pull/3901>`_
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* Support bytearray casting to string.
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`#3707 <https://github.com/pybind/pybind11/pull/3707>`_
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* ``type_caster<std::monostate>`` was added. ``std::monostate`` is a tag type
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that allows ``std::variant`` to act as an optional, or allows default
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construction of a ``std::variant`` holding a non-default constructible type.
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`#3818 <https://github.com/pybind/pybind11/pull/3818>`_
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* Support bytearray casting to string.
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`#3707 <https://github.com/pybind/pybind11/pull/3707>`_
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* ``pybind11::capsule::set_name`` added to mutate the name of the capsule instance.
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`#3866 <https://github.com/pybind/pybind11/pull/3866>`_
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* NumPy: dtype constructor from type number added, accessors corresponding to
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Python API ``dtype.num``, ``dtype.byteorder``, ``dtype.flags`` and
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``dtype.alignment`` added.
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`#3868 <https://github.com/pybind/pybind11/pull/3868>`_
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Changes:
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* Python 2 support was removed completely.
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* Python 3.6 is now the minimum supported version.
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`#3688 <https://github.com/pybind/pybind11/pull/3688>`_
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`#3719 <https://github.com/pybind/pybind11/pull/3719>`_
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* The minimum version for MSVC is now 2017.
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`#3722 <https://github.com/pybind/pybind11/pull/3722>`_
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* Fix issues with CPython 3.11 betas and add to supported test matrix.
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`#3923 <https://github.com/pybind/pybind11/pull/3923>`_
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* ``error_already_set`` is now safer and more performant, especially for
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exceptions with long tracebacks, by delaying computation.
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`#1895 <https://github.com/pybind/pybind11/pull/1895>`_
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* Improve exception handling in python ``str`` bindings.
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`#3826 <https://github.com/pybind/pybind11/pull/3826>`_
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* The bindings for capsules now have more consistent exception handling.
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`#3825 <https://github.com/pybind/pybind11/pull/3825>`_
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* Fix exception handling when ``pybind11::weakref()`` fails.
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`#3739 <https://github.com/pybind/pybind11/pull/3739>`_
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* ``PYBIND11_OBJECT_CVT`` and ``PYBIND11_OBJECT_CVT_DEFAULT`` macro can now be
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used to define classes in namespaces other than pybind11.
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`#3797 <https://github.com/pybind/pybind11/pull/3797>`_
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* Error printing code now uses ``PYBIND11_DETAILED_ERROR_MESSAGES`` instead of
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requiring ``NDEBUG``, allowing use with release builds if desired.
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`#3913 <https://github.com/pybind/pybind11/pull/3913>`_
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Bug fixes:
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* ``PYBIND11_OBJECT_CVT`` and ``PYBIND11_OBJECT_CVT_DEFAULT`` macro can be used
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to define classes in namespaces other than pybind11.
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`#3797 <https://github.com/pybind/pybind11/pull/3797>`_
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* Fix exception handling when ``pybind11::weakref()`` fails.
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`#3739 <https://github.com/pybind/pybind11/pull/3739>`_
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* ``module_::def_submodule`` was missing proper error handling. This is fixed now.
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`#3973 <https://github.com/pybind/pybind11/pull/3973>`_
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* The behavior or ``error_already_set`` was made safer and the highly opaque
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"Unknown internal error occurred" message was replaced with a more helpful
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message.
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`#3982 <https://github.com/pybind/pybind11/pull/3982>`_
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* ``error_already_set::what()`` now handles non-normalized exceptions correctly.
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`#3971 <https://github.com/pybind/pybind11/pull/3971>`_
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* Support older C++ compilers where filesystem is not yet part of the standard
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library and is instead included in ``std::experimental::filesystem``.
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`#3840 <https://github.com/pybind/pybind11/pull/3840>`_
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* Fix ``-Wfree-nonheap-object`` warnings produced by GCC by avoiding returning
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pointers to static objects with ``return_value_policy::take_ownership``.
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`#3946 <https://github.com/pybind/pybind11/pull/3946>`_
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* Fix cast from pytype rvalue to another pytype.
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`#3949 <https://github.com/pybind/pybind11/pull/3949>`_
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* ``pybind11::detail::get_internals()`` is now resilient to in-flight Python
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exceptions.
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`#3981 <https://github.com/pybind/pybind11/pull/3981>`_
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* Arrays with a dimension of size 0 are now properly converted to dynamic Eigen
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matrices (more common in NumPy 1.23).
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`#4038 <https://github.com/pybind/pybind11/pull/4038>`_
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* Avoid catching unrelated errors when importing NumPy.
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`#3974 <https://github.com/pybind/pybind11/pull/3974>`_
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Performance and style:
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* Added an accessor overload of ``(object &&key)`` to reference steal the
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object when using python types as keys. This prevents unnecessary reference
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count overhead for attr, dictionary, tuple, and sequence look ups. Added
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additional regression tests. Fixed a performance bug the caused accessor
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assignments to potentially perform unnecessary copies.
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`#3970 <https://github.com/pybind/pybind11/pull/3970>`_
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* Perfect forward all args of ``make_iterator``.
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`#3980 <https://github.com/pybind/pybind11/pull/3980>`_
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* Avoid potential bug in pycapsule destructor by adding an ``error_guard`` to
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one of the dtors.
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`#3958 <https://github.com/pybind/pybind11/pull/3958>`_
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* Optimize dictionary access in ``strip_padding`` for numpy.
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`#3994 <https://github.com/pybind/pybind11/pull/3994>`_
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* ``stl_bind.h`` bindings now take slice args as a const-ref.
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`#3852 <https://github.com/pybind/pybind11/pull/3852>`_
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* Made slice constructor more consistent, and improve performance of some
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casters by allowing reference stealing.
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`#3845 <https://github.com/pybind/pybind11/pull/3845>`_
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* Change numpy dtype from_args method to use const ref.
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`#3878 <https://github.com/pybind/pybind11/pull/3878>`_
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* Follow rule of three to ensure ``PyErr_Restore`` is called only once.
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`#3872 <https://github.com/pybind/pybind11/pull/3872>`_
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* Added missing perfect forwarding for ``make_iterator`` functions.
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`#3860 <https://github.com/pybind/pybind11/pull/3860>`_
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* Optimize c++ to python function casting by using the rvalue caster.
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`#3966 <https://github.com/pybind/pybind11/pull/3966>`_
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* Avoid potential implicit copy/assignment constructors causing double free in
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``strdup_gaurd``.
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`#3905 <https://github.com/pybind/pybind11/pull/3905>`_
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* Enable clang-tidy checks ``misc-definitions-in-headers``,
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``modernize-loop-convert``, and ``modernize-use-nullptr``.
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`#3881 <https://github.com/pybind/pybind11/pull/3881>`_
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`#3988 <https://github.com/pybind/pybind11/pull/3988>`_
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Build system improvements:
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* CMake: Fix file extension on Windows with cp36 and cp37 using FindPython.
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`#3919 <https://github.com/pybind/pybind11/pull/3919>`_
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* CMake: Support multiple Python targets (such as on vcpkg).
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`#3948 <https://github.com/pybind/pybind11/pull/3948>`_
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* CMake: Fix issue with NVCC on Windows.
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`#3947 <https://github.com/pybind/pybind11/pull/3947>`_
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* CMake: Drop the bitness check on cross compiles (like targeting WebAssembly
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via Emscripten).
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`#3959 <https://github.com/pybind/pybind11/pull/3959>`_
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* Add MSVC builds in debug mode to CI.
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`#3784 <https://github.com/pybind/pybind11/pull/3784>`_
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@ -59,15 +179,20 @@ Build system improvements:
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`#3732 <https://github.com/pybind/pybind11/pull/3732>`_,
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`#3741 <https://github.com/pybind/pybind11/pull/3741>`_
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* Avoid ``setup.py <command>`` usage in internal tests.
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`#3734 <https://github.com/pybind/pybind11/pull/3734>`_
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Backend and tidying up:
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* Remove idioms in code comments. Use inclusive language.
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* Remove idioms in code comments. Use more inclusive language.
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`#3809 <https://github.com/pybind/pybind11/pull/3809>`_
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* ``#include <iostream>`` was removed from the ``pybind11/stl.h`` header. Your
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project may break if it has a transitive dependency on this include. The fix
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is to "Include What You Use".
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`#3928 <https://github.com/pybind/pybind11/pull/3928>`_
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* Avoid ``setup.py <command>`` usage in internal tests.
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`#3734 <https://github.com/pybind/pybind11/pull/3734>`_
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Version 2.9.2 (Mar 29, 2022)
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----------------------------
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