Bug fixes: Fixed test builds with installed Eigen 5 by improving Eigen3 CMake package detection. #6036 Fixed move semantics of scoped_ostream_redirect to preserve buffered output and avoid crashes when moved redirects restore stream buffers. #6033 Fixed py::dynamic_attr() traversal on Python 3.13+ to correctly propagate PyObject_VisitManagedDict() results. #6032 Fixed std::shared_ptr<T> fallback casting to avoid unnecessary copy-constructor instantiation in reference_internal paths. #6028 CI: Updated setup-uv to the maintained GitHub Action tag scheme. #6035 Updated pre-commit hooks. #6029 Updated GitHub Actions dependencies, including actions-setup-cmake and cibuildwheel. #6027