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pybind

9 indexed repositories · View on GitHub

pybind11
Seamless operability between C++11 and Python

C++ · 18010 stars
cuda_example
Example pybind11 module built with a CMake-based build system

C++ · 670 stars
python_example
Example pybind11 module built with a Python-based build system

Python · 530 stars
pybind11-stubgen
Generate stubs for python modules

Python · 361 stars
scikit_build_example
An example combining scikit-build and pybind11

Python · 148 stars
pybind11_bazel
Bazel wrapper around the pybind11 repository

Starlark · 115 stars
pybind11_protobuf
Pybind11 bindings for Google's Protocol Buffers

C++ · 67 stars
pybind11_mkdoc
Pybind11 tool for making docstrings from C++ comments

Python · 44 stars
pybind11_abseil
Pybind11 bindings for the Abseil C++ Common Libraries

C++ · 27 stars

Beginner friendly Everything

Open All

[BUG]: Repeated gil_scoped_acquire in a persistent C++ thread pool causes a PyThreadState_Clear hotspot on free-threaded CPython 3.14 Open

triage

Difficulty 5/5 Over a week Newbie friendliness 35/100

pybind/pybind11#6179 · Opened Sep 16, 2026
[BUG]: Constructor for type_caster<std::vector<std::shared_ptr<T>>> Never Called Open

triage

Difficulty 5/5 Over a week Newbie friendliness 30/100

pybind/pybind11#6178 · 1 comment · Opened Sep 14, 2026
[BUG]: Intermittent null internals_pp_manager::get_pp() during concurrent subinterpreter imports on Windows Open

triage

Difficulty 5/5 Over a week Newbie friendliness 35/100

pybind/pybind11#6174 · 1 comment · Opened Sep 12, 2026
[BUG]: missing changelog for 3.1.0 on readthedocs Open

triage

Difficulty 1/5 Under an hour Newbie friendliness 78/100

pybind/pybind11#6168 · Opened Sep 3, 2026
[BUG]: -Wmaybe-uninitialized warnings in O3 optimization Open

triage

Difficulty 3/5 1-2 days Newbie friendliness 50/100

pybind/pybind11#6167 · Opened Sep 2, 2026
Fable 5.1 review of pybind11 Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

pybind/pybind11#6159 · 3 comments · Opened Sep 1, 2026
Requesting update to pybind11 version 3.0 Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

pybind/pybind11_protobuf#232 · 2 comments · Opened Jul 24, 2026
Migrate conda CI from conda-build to rattler-build Open

Difficulty 4/5 3-5 days Newbie friendliness 65/100

pybind/scikit_build_example#209 · Opened Jul 20, 2026
[BUG]: `cast_error` using `PYBIND11_OVERRIDE` with implicitly converted opaque vectors Open

triage

Difficulty 4/5 3-5 days Newbie friendliness 45/100

pybind/pybind11#6080 · Opened Jun 3, 2026
Untrusted impersonation of the project at pybind11.com Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

pybind/pybind11#6076 · Opened May 23, 2026
Collecting subinterpreter-related CI flakes Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

pybind/pybind11#6071 · 3 comments · Opened May 18, 2026
[BUG]: cmake: pybind11::embed target doesn't link to Python libs if find_package(Python) has been called previously Open

triage

Difficulty 3/5 1-2 days Newbie friendliness 74/100

pybind/pybind11#6063 · Opened May 14, 2026
[BUG]: Document MSVC `std::mutex` ABI hazard with older `msvcp140.dll` and `_DISABLE_CONSTEXPR_MUTEX_CONSTRUCTOR` Open

triage

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

pybind/pybind11#6053 · Opened May 4, 2026
[BUG]: nullptr dereference in create_pp_content_once (internals.h) Open

triage

Difficulty 4/5 3-5 days Newbie friendliness 48/100

pybind/pybind11#6046 · Opened Apr 30, 2026
`py::native_enum`: Remove `# value = ` prints Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

pybind/pybind11-stubgen#305 · Opened Apr 20, 2026
Parent-package-qualified Enum defaults trigger circular imports Open

bug

pybind/pybind11-stubgen#304 · 1 assignee · Opened Apr 20, 2026
CMake USE_SYSTEM_... setup broken, wrong variable scope Open

bug dependencies

pybind/pybind11_protobuf#221 · 1 assignee · Opened Apr 15, 2026
[BUG]: 5 tests fail Open

triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pybind/pybind11#6037 · Opened Apr 14, 2026
Properties not generated for Cython-compiled .so files Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

pybind/pybind11-stubgen#300 · Opened Apr 8, 2026
[BUG]: "Already defined" import error when reusing a value name in different enums Open

triage

Difficulty 3/5 1-2 days Newbie friendliness 55/100

pybind/pybind11#6031 · 1 reaction · Opened Apr 7, 2026
Output file gets a `.pyd.dll` extension on Windows Open

bug OS: Windows

pybind/pybind11_bazel#132 · 4 comments · 1 assignee · Opened Mar 31, 2026
[BUG]: Objects created using __new__ are not registered for casting Open

triage

Difficulty 4/5 3-5 days Newbie friendliness 45/100

pybind/pybind11#6025 · Opened Mar 30, 2026
Module Builds Without Attributes Open

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

pybind/scikit_build_example#200 · Opened Mar 24, 2026
[BUG]: std::move_constructible and pybind11::detail::is_move_constructible differ Open

triage

Difficulty 3/5 1-2 days Newbie friendliness 42/100

pybind/pybind11#5983 · 1 comment · Opened Feb 8, 2026
Roadmap Open

bug enhancement good first issue help wanted

Difficulty 5/5 Over a week Newbie friendliness 25/100

pybind/pybind11-stubgen#286 · Opened Jan 23, 2026
[BUG]: Hijacked domain is confusing Open

triage

Difficulty 4/5 3-5 days Newbie friendliness 25/100

pybind/pybind11#5963 · Opened Jan 18, 2026
[BUG]: Security link goes nowhere Open

triage

Difficulty 2/5 Under an hour Newbie friendliness 45/100

pybind/pybind11#5962 · Opened Jan 18, 2026
[BUG]: Compilation failure with MSVC 17.12 (v14.44) and C++20: '_BACKUP_ITERATOR_DEBUG_LEVEL' undeclared Open

triage

Difficulty 4/5 3-5 days Newbie friendliness 38/100

pybind/pybind11#5956 · Opened Jan 9, 2026
[BUG]: Cross compilation (x86_64-linux -> armv7l) fails with LONG_BIT related errors Open

triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pybind/pybind11#5945 · Opened Dec 24, 2025
[BUG]: CMake add_subdirectory() interference from system-installed pybind11 Open

triage

Difficulty 4/5 3-5 days Newbie friendliness 55/100

pybind/pybind11#5937 · 1 comment · Opened Dec 15, 2025
[BUG]: Compatibility issues between pybind11 and Py_LIMITED_API. Open

triage

Difficulty 4/5 3-5 days Newbie friendliness 28/100

pybind/pybind11#5905 · 1 comment · Opened Nov 26, 2025
Type hint issues for enum after updating to pybind11 3.0.1 Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

pybind/pybind11-stubgen#277 · Opened Nov 21, 2025
Unknown CMake command "python_add_library". Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

pybind/scikit_build_example#189 · 3 comments · Opened Nov 17, 2025
Incorrect type annotation for Union Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 42/100

pybind/pybind11-stubgen#276 · 4 comments · Opened Nov 16, 2025
[BUG]: integral caster inconsistencies Open

triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pybind/pybind11#5895 · Opened Nov 12, 2025
[BUG]: py::py::mod_gil_not_used() maybe not support python 3.14.0 free threaded feature, when using callback function Open

triage

Difficulty 4/5 3-5 days Newbie friendliness 30/100

pybind/pybind11#5894 · Opened Nov 12, 2025
pybind_extension linkage is problematic for projects with multiple pybind modules Open

bug enhancement OS: Linux OS: MacOS OS: Windows

Difficulty 4/5 3-5 days Newbie friendliness 45/100

pybind/pybind11_bazel#125 · 2 comments · Opened Nov 4, 2025
[BUG]: Is Pybind11 cmake work for Windows py3.14t if only set `PYTHON_EXECUTABLE`? Open

triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pybind/pybind11#5884 · 1 comment · 2 reactions · Opened Oct 27, 2025
[BUG]: KeysView/ItemsView does not support set operations Open

triage

Difficulty 3/5 1-2 days Newbie friendliness 48/100

pybind/pybind11#5876 · Opened Oct 21, 2025
[BUG]: 5 tests fail on FreeBSD Open

triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pybind/pybind11#5872 · Opened Oct 15, 2025
[BUG]: This PR addresses recurring C4819 compiler warnings on Windows when using pybind11 with non-Unicode code pages (e.g., CP936): Open

triage

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

pybind/pybind11#5863 · Opened Oct 12, 2025
[BUG]: Misleading errors on duplicate enum key registration Open

triage

Difficulty 3/5 1-2 days Newbie friendliness 38/100

pybind/pybind11#5853 · Opened Oct 1, 2025
[BUG]: pybind11 3.0.0 uses deprecated numpy.bool dtype Open

triage

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

pybind/pybind11#5847 · 1 comment · Opened Sep 23, 2025
[BUG]: If indicies of scipy.csc_matrix are not sorted conversion to Eigen::SparseMatrix Fails in debug mode. Open

triage

Difficulty 3/5 1-2 days Newbie friendliness 35/100

pybind/pybind11#5819 · Opened Sep 1, 2025
Following readme results in errors Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

pybind/scikit_build_example#181 · 4 comments · Opened Aug 30, 2025
[BUG]: Python_ADD_LIBRARY: target Python::Module not defined Open

triage

Difficulty 4/5 3-5 days Newbie friendliness 45/100

pybind/pybind11#5813 · 1 comment · 1 reaction · Opened Aug 24, 2025
numpy-array-use-type-var is broken with pybind11 v3.0.0 Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 38/100

pybind/pybind11-stubgen#264 · 1 reaction · Opened Aug 11, 2025
[BUG]: Can't use PYBIND11_NUMPY_DTYPE with subinterpreters Open

triage

Difficulty 4/5 3-5 days Newbie friendliness 25/100

pybind/pybind11#5781 · Opened Jul 31, 2025
[FEA]: change function __qualname__ prefix Open

triage

Difficulty 3/5 1-2 days Newbie friendliness 45/100

pybind/pybind11#5774 · 13 comments · Opened Jul 28, 2025
[BUG]: Exception thrown from C++ library function could not be correctly converted to the registered class with clang-19 compiler Open

triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

pybind/pybind11#5773 · 1 reaction · Opened Jul 28, 2025

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