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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573 open issues indexed

failed to compile with intel c++ compiler 18.0 Open

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

pybind/pybind11#1411 · 11 comments · 1 reaction · Opened May 24, 2018
Implicit conversion of pointer-type arguments Open

bug

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

pybind/pybind11#1409 · 1 comment · Opened May 23, 2018
Full support for Eigen::Map(ped) types Open

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

pybind/pybind11#1402 · 1 comment · Opened May 18, 2018
numpy: Overloads between scalars and arrays can produce confusing results Open

Difficulty 5/5 Over a week Newbie friendliness 28/100

pybind/pybind11#1392 · 2 comments · Opened May 11, 2018
connected pybind11 modules Open

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

pybind/pybind11#1391 · 5 comments · 9 reactions · Opened May 10, 2018
Cannot register a class with an abstract method. Open

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

pybind/pybind11#1359 · 3 comments · Opened Apr 15, 2018
make check fails to run tests. Open

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

pybind/pybind11#1355 · 7 comments · Opened Apr 10, 2018
Static assertion in numpy.h fails when compiling with MINGW GCC Open

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

pybind/pybind11#1342 · 2 comments · Opened Mar 29, 2018
Automatic conversion of derived classes from Eigen vector/matrix types to numpy array Open

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

pybind/pybind11#1338 · 2 comments · Opened Mar 28, 2018
Export a class used as a metaclass Open

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

pybind/pybind11#1319 · 2 reactions · Opened Mar 12, 2018
Implicit conversion of ints (and char const*) to handles? Open

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

pybind/pybind11#1309 · 13 comments · Opened Mar 6, 2018
Strange deadlock with pybind11 + Flask w/ app debug mode Open

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

pybind/pybind11#1308 · 1 comment · 1 reaction · Opened Mar 6, 2018
Prevent lossy conversions Open

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

pybind/pybind11#1305 · Opened Feb 28, 2018
vectorizing a method that operates on an array Open

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

pybind/pybind11#1294 · 6 comments · Opened Feb 22, 2018
Bind a custom exception class, with attributes/methods Open

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

pybind/pybind11#1281 · 4 comments · Opened Feb 14, 2018
Leaking of C++ objects if they are constructed with a python function Open

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

pybind/pybind11#1278 · 4 comments · Opened Feb 14, 2018
Double-nested gil_scoped_release in a pythread causes fatal interpreter error Open

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

pybind/pybind11#1276 · 16 comments · Opened Feb 13, 2018
wrapping a std::function as class member Open

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

pybind/pybind11#1275 · 2 comments · Opened Feb 12, 2018
gil_scoped_acquire deadlock Open

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

pybind/pybind11#1273 · 2 comments · 2 reactions · Opened Feb 9, 2018
Interop with Numba / JAX? Open

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

pybind/pybind11#1268 · 3 comments · 13 reactions · Opened Feb 3, 2018
Warnings about shadowed members Open

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

pybind/pybind11#1267 · 2 comments · 4 reactions · Opened Jan 30, 2018
[MSVC] Virtual Inheritances (Diamond pattern) causes crash Open

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

pybind/pybind11#1256 · Opened Jan 17, 2018
Using `py::keep_alive<N, P>()` may cause `internals.patients[nurse]` to grow without bounds Open

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

pybind/pybind11#1251 · 14 comments · Opened Jan 12, 2018
Add a wrapper for namedtuple? Open

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

pybind/pybind11#1244 · 20 reactions · Opened Jan 10, 2018
Consider making the default policy for `const T&` arguments more friendly for non-copyable classes in callbacks Open

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

pybind/pybind11#1241 · 3 comments · Opened Jan 8, 2018
Pybind incorrectly deregisters instances (by type comparison), yields errors when C++ recycles memory Open

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

pybind/pybind11#1238 · 2 comments · Opened Jan 7, 2018
Unmodified C++ object after calling a python callback Open

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

pybind/pybind11#1231 · 1 comment · Opened Dec 30, 2017
Cannot get std::vector from binded member function having passed by reference std::vector as parameter Open

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

pybind/pybind11#1230 · 10 comments · Opened Dec 29, 2017
Automatic custom holder type encapsulation Open

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

pybind/pybind11#1219 · 6 comments · Opened Dec 21, 2017
Lazy default argument construction Open

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

pybind/pybind11#1218 · 3 comments · Opened Dec 21, 2017
C++ object is destructed before it can be used, when returned as a `shared_ptr` and using default holder type Open

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

pybind/pybind11#1215 · 1 comment · Opened Dec 14, 2017
Bound C++ object contains "garbage" after being copied in Python Open

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

pybind/pybind11#1214 · 1 comment · Opened Dec 14, 2017
Separate optional and variant support from other STL containers Open

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

pybind/pybind11#1207 · 3 comments · Opened Dec 7, 2017
pybind11 cheatsheet documentation Open

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

pybind/pybind11#1201 · 6 comments · 85 reactions · Opened Dec 1, 2017
Pass a reference to C++ container to the Python callback Open

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

pybind/pybind11#1200 · 5 comments · 2 reactions · Opened Nov 30, 2017
Empty holder object Open

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

pybind/pybind11#1197 · 3 comments · Opened Nov 26, 2017
Accessing PyArray_GETITEM and PyArray_SETITEM Open

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

pybind/pybind11#1181 · 4 comments · Opened Nov 13, 2017
Shared Pointers and Protected Destructors Open

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

pybind/pybind11#1178 · 8 comments · Opened Nov 9, 2017
There can be only one (enum instance) Open

bug enhancement help wanted

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

pybind/pybind11#1177 · 6 comments · 4 reactions · Opened Nov 9, 2017
How to call into protected constructors? Open

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

pybind/pybind11#1173 · 3 comments · Opened Nov 6, 2017
Loading python imports from dlopen-loaded C++ library that uses pybind11. Open

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

pybind/pybind11#1172 · 2 comments · 1 reaction · Opened Nov 6, 2017
How to expose custom type derived from pure python type Open

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

pybind/pybind11#1170 · 8 comments · Opened Nov 6, 2017
py::cast variant using type_info instead of template argument for non-virtual types. Open

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

pybind/pybind11#1158 · 1 comment · Opened Oct 26, 2017
Weak pointer semantics for holder types, not updated in type_caster_generic::cast if internal ptr cached. Open

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

pybind/pybind11#1157 · 1 comment · Opened Oct 26, 2017
py::cast on non-polymorphic base class pointer does not find existing derived instance Open

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

pybind/pybind11#1148 · 5 comments · Opened Oct 17, 2017
Support ownership transfer for `unique_ptr<T>` (move-only holders) from Python to C++ (and back) Open

holders

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

pybind/pybind11#1132 · 2 comments · 1 reaction · Opened Oct 9, 2017
Unable to get name of derived class on C++ side Open

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

pybind/pybind11#1112 · 1 comment · Opened Sep 25, 2017
Buffer object additions Open

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

pybind/pybind11#1099 · Opened Sep 18, 2017
Enhancement: easy way to expose property with automatic reference counting Open

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

pybind/pybind11#1096 · 2 reactions · Opened Sep 18, 2017
Incorrect binding when the derived class is polymorphic and the base is not Open

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

pybind/pybind11#1080 · Opened Sep 11, 2017

pybind/pybind11

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