pybind/pybind11

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Seamless operability between C++11 and Python

Stars: 18k
Forks: 2.3k
Open beginner issues: 1
Indexed issues: 574
Avg merge: 5d 17h
Merged PRs (30d): 10

Dominant language: C++
License: No license data
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

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574 open issues indexed

[BUG]: crash importing again same module Open

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

pybind/pybind11#5080 · Opened Mar 29, 2024
[BUG]: Accessing field of type shared_ptr crashes with double free Open

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

pybind/pybind11#5058 · 1 comment · Opened Mar 14, 2024
[BUG]: How to bind a c array within a class function Open

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Difficulty 3/5 1-2 days Newbie friendliness 25/100

pybind/pybind11#5044 · Opened Mar 1, 2024
[BUG]: Time for `name` property on enum grows with enum size Open

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

pybind/pybind11#5031 · 1 reaction · Opened Feb 20, 2024
Can we produce stable download artifacts? Open

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

pybind/pybind11#5021 · 3 comments · Opened Feb 9, 2024
[BUG]: enum should not be silently converted to float in method call Open

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

pybind/pybind11#5020 · 2 comments · 1 reaction · Opened Feb 6, 2024
[BUG]: `pybind11::format_descriptor<float16_t>::format()` throws `RuntimeError: NumPy type info missing for Dh` but should return `e` Open

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

pybind/pybind11#4998 · 2 comments · Opened Jan 2, 2024
[BUG]: crash of GNU Radio on OpenBSD, probably related to pybind11 Open

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

pybind/pybind11#4997 · Opened Jan 2, 2024
[BUG]: Overloaded (pure) virtual function not inherited Open

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

pybind/pybind11#4996 · Opened Jan 2, 2024
[BUG]: Issue with Re-registering Exceptions in Multiple Interpreter Lifecycles Open

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Difficulty 4/5 3-5 days Newbie friendliness 42/100

pybind/pybind11#4967 · 1 comment · Opened Dec 11, 2023
[BUG]: py::implicitly_convertible<MyEnum, int>(); fails in PYBIND11_EMBEDDED_MODULE Open

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

pybind/pybind11#4957 · Opened Dec 1, 2023
[BUG]: Incompatible function arguments when using py::function with default parameter Open

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

pybind/pybind11#4956 · Opened Dec 1, 2023
[BUG]: Docs bug fix/improvements for inherited overloaded virtual methods Open

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

pybind/pybind11#4950 · 1 comment · Opened Nov 26, 2023
[BUG]: Cannot reset pybind11 state to "freshly started" Open

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

pybind/pybind11#4949 · 2 comments · Opened Nov 24, 2023
[BUG]: pybind11 return numpy array by copy instead of reference. Open

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

pybind/pybind11#4946 · 2 comments · 1 reaction · Opened Nov 21, 2023
[BUG]: `def_property_readonly` does not include the function signature Open

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

pybind/pybind11#4943 · Opened Nov 17, 2023
[BUG]: Can't bind std::vector<std::pair<int64_t, pybind11::bytes>> such type in pybind11 Open

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

pybind/pybind11#4940 · 1 comment · Opened Nov 13, 2023
[BUG]: error: static assertion failed: char should be cast to either signed char or unsigned char Open

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

pybind/pybind11#4938 · 1 comment · Opened Nov 11, 2023
[BUG]: When python3.8 starts a c++ dynamic library containing pybind11, the dynamic library will crash. If you use a C++ process to call this dynamic library, it can run normally Open

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

pybind/pybind11#4931 · Opened Nov 9, 2023
[BUG]: tup.py", line 12, in <module> reqs = [str(ir.req) for ir in install_reqs] File "/private/var/folders/m_/kzyr4q_11cl35ngrj77k28f00000gn/T/pip-install-3r9ticlh/pybind_d9644c99e09448b48a0e70d5fdbaf571/setup.py", line 12, in <listcomp> reqs = [str(ir.req) for ir in install_reqs] AttributeError: 'ParsedRequirement' object has no attribute 'req' [end of output] Open

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Difficulty 3/5 1-2 days Newbie friendliness 25/100

pybind/pybind11#4898 · 1 comment · 1 reaction · Opened Oct 23, 2023
[MAINT] CI / 🐍 3.9-dbg (deadsnakes) • Valgrind • x64: invalid file descriptor # in syscall close() Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

pybind/pybind11#4889 · Opened Oct 20, 2023
[BUG]: Python 3.9+ segfault in Debug build for pure virtual error message when GIL released Open

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

pybind/pybind11#4878 · Opened Oct 9, 2023
[BUG]: tp_traverse occasionally executed before C++ ctor Open

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

pybind/pybind11#4869 · 1 comment · Opened Oct 3, 2023
[BUG]: `kw_only()` at start of one overload of function causes cast to be more strict Open

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

pybind/pybind11#4866 · Opened Oct 2, 2023
[BUG] 2.11.1: `pybind11` cmake module broken with `-D USE_PYTHON_INCLUDE_DIR=OFF` Open

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

pybind/pybind11#4865 · 5 comments · Opened Oct 1, 2023
[BUG]: Unexpected behavior for binding to a data member, which is returned-by-reference by a member function Open

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Difficulty 4/5 3-5 days Newbie friendliness 42/100

pybind/pybind11#4858 · 1 comment · Opened Sep 21, 2023
[BUG]: Python3.11 `error_already_set.what()` segfault Open

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

pybind/pybind11#4853 · 3 comments · Opened Sep 20, 2023
[BUG]: gil_scoped_acquire blocks Open

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

pybind/pybind11#4848 · 2 comments · Opened Sep 14, 2023
[BUG]: Coverity warning: Uncaught exceptions Open

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Difficulty 4/5 3-5 days Newbie friendliness 32/100

pybind/pybind11#4835 · 1 comment · Opened Sep 4, 2023
[BUG]: LTO applied to all .cu files Open

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

pybind/pybind11#4825 · 2 comments · 7 reactions · Opened Aug 30, 2023
[BUG]: pybind11/include/pybind11/numpy.h:1020:7: note: candidate expects 1 argument, 2 provided... Open

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

pybind/pybind11#4823 · Opened Aug 29, 2023
[BUG]: Coverity issue in dispatcher: Possible dereferencing null pointer self_value_and_holder.type Open

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

pybind/pybind11#4821 · 1 comment · Opened Aug 27, 2023
[BUG]: Unable to show stdout output of a binary module inside Jupyter notebook Open

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

pybind/pybind11#4818 · Opened Aug 26, 2023
[BUG]: Is this a bug? Open

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

pybind/pybind11#4809 · Opened Aug 23, 2023
[BUG]: Warning when using CMake 3.27, CMP0148 policy is ignored Open

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

pybind/pybind11#4785 · 4 comments · 3 reactions · Opened Aug 12, 2023
[FEATURE REQUEST]: Dynamic class names (`pybind11::class_` constructor taking `std::string`) Open

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

pybind/pybind11#4777 · 2 comments · 1 reaction · Opened Aug 3, 2023
[BUG]: pip uninstall pybind11[global] does not cleanly remove all pybind files Open

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

pybind/pybind11#4776 · Opened Aug 3, 2023
[BUG]: `py::kw_only()` roughly halves runtime performance Open

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

pybind/pybind11#4773 · Opened Aug 2, 2023
[BUG]: Crash when casting handle to array Open

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

pybind/pybind11#4765 · Opened Jul 26, 2023
[NOT A BUG] Links/similarities with R's cpp11 Open

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

pybind/pybind11#4754 · Opened Jul 16, 2023
Mutations to holder type aren't visible to the outer scope Open

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

pybind/pybind11#4746 · 5 comments · Opened Jul 14, 2023
C++ generates data in real time, how to receive data in real time through pybind11 in python？ Open

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

pybind/pybind11#4740 · 1 comment · Opened Jul 12, 2023
[BUG]: Conditionally enabled member functions using concepts leads to compiler error Open

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

pybind/pybind11#4715 · 1 comment · Opened Jun 23, 2023
[BUG]: send a python function to c++ as a std::function to create Python subclass instance,the constructor of python class be called but the instance still the base class Open

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

pybind/pybind11#4712 · 1 comment · Opened Jun 20, 2023
[BUG]: eval_file cannot accept zip file Open

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

pybind/pybind11#4711 · Opened Jun 20, 2023
[BUG]: Hash pin github workflow dependencies Open

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

pybind/pybind11#4710 · 1 comment · Opened Jun 19, 2023
[BUG]: TypeError raised on C++ integer overflow during type conversion Open

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

pybind/pybind11#4708 · Opened Jun 19, 2023
[BUG]: relocation R_X86_64_TPOFF32 against hidden symbol `_ZZN8pybind116handle15inc_ref_counterEmE7counter' can not be used when making a shared object Open

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Difficulty 4/5 3-5 days Newbie friendliness 32/100

pybind/pybind11#4707 · 2 comments · 2 reactions · Opened Jun 18, 2023
[BUG]: Possibly missing `#include <cstdint>` in the `pybind11.h` and `attr.h` Open

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

pybind/pybind11#4702 · 2 comments · Opened Jun 16, 2023
[BUG]: Not detecting the SUFFIX and DEBUG_POSTFIX for cmake correctly Open

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

pybind/pybind11#4699 · 3 comments · Opened Jun 12, 2023

pybind/pybind11

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