Version 2.6.0 RC 3

Next release candidate.

• Factory constructor scope fix
• Support for PyPy3 on Windows 32, added to CI
• Fixes for C++20, added to CI for Clang, GCC, and MSVC 2019
• Black formatting for all Python code
• Allow ABI string overrides from 2.4 (advanced)

Version 2.6.0 RC 2

Next release candidate. Changes since RC 1:

Fixed:

• Python 3.9.0 bug workaround implemented
• Better support in CMake for packing and cross-compiling
• Fix for failing py::len leaving error state set
• Intel 18+ explicitly required, an issue with Intel compilers fixed
• Custom ipo flags disabled with RelWithDebInfo (use CMAKE_INTERPROCEDURAL_OPTIMIZATION for more control)
• Possible duplicate linker flags fixed in setup_helpers
• Changes to py::module_ constructor are no longer provisional.

New features:

• Static typing support for import pybind11

Version 2.6.0 RC 1

This is the first release candidate for pybind11 2.6.0. Please see the new features in the changelog, such as revamped CMake and setuptools support, keyword and positional argument support, and a long list of features, fixes, and improvements. Full Python 3.9 support and enhanced C++20 support.

Known issues:

• py::module_ direct construction provisionally deprecated
• Removing registered types can cause a segfault - old issue exposed by recent test additions; fix incoming
• On Python 3.9.0 and macOS, pybind11 may segfault when closing the interpreter after running the test suite

Version 2.6.0 Beta 1

v2.6.0 beta release.