Preparation for v2.11.1 patch release (#4752)

* Update README.rst - Add missing comma in the list of acknowlegements (#4750)

* Disable `PYBIND11_ASSERT_GIL_HELD_INCREF_DECREF` generally for PyPy (not just PyPy Windows). (#4751)

* Update changelog

* Provide `PYBIND11_NO_ASSERT_GIL_HELD_INCREF_DECREF` as an option (#4753)

* Remove GIL checks

* Update common.h

* Add flag

* style: pre-commit fixes

* Update pytypes.h

* style: pre-commit fixes

* Update common.h

* style: pre-commit fixes

* Update pytypes.h

* style: pre-commit fixes

* Update common.h

* style: pre-commit fixes

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

* Update changelog: PR #4753

---------

Co-authored-by: bzaar <slepov@gmail.com>
Co-authored-by: Ethan Steinberg <ethan.steinberg@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

README.rst

@@ -135,7 +135,7 @@ This project was created by `Wenzel
 Jakob <http://rgl.epfl.ch/people/wjakob>`_. Significant features and/or
 improvements to the code were contributed by Jonas Adler, Lori A. Burns,
 Sylvain Corlay, Eric Cousineau, Aaron Gokaslan, Ralf Grosse-Kunstleve, Trent Houliston, Axel
-Huebl, @hulucc, Yannick Jadoul, Sergey Lyskov Johan Mabille, Tomasz Miąsko,
+Huebl, @hulucc, Yannick Jadoul, Sergey Lyskov, Johan Mabille, Tomasz Miąsko,
 Dean Moldovan, Ben Pritchard, Jason Rhinelander, Boris Schäling, Pim
 Schellart, Henry Schreiner, Ivan Smirnov, Boris Staletic, and Patrick Stewart.
 

docs/changelog.rst

@@ -10,6 +10,21 @@ Changes will be added here periodically from the "Suggested changelog entry"
 block in pull request descriptions.
 
 
+Version 2.11.1 (July 17, 2023)
+-----------------------------
+
+Changes:
+
+* ``PYBIND11_NO_ASSERT_GIL_HELD_INCREF_DECREF`` is now provided as an option
+  for disabling the default-on ``PyGILState_Check()``'s in
+  ``pybind11::handle``'s ``inc_ref()`` & ``dec_ref()``.
+  `#4753 <https://github.com/pybind/pybind11/pull/4753>`_
+
+* ``PYBIND11_ASSERT_GIL_HELD_INCREF_DECREF`` was disabled for PyPy in general
+  (not just PyPy Windows).
+  `#4751 <https://github.com/pybind/pybind11/pull/4751>`_
+
+
 Version 2.11.0 (July 14, 2023)
 -----------------------------
 

include/pybind11/detail/common.h

@@ -324,11 +324,8 @@ PYBIND11_WARNING_POP
 #endif
 
 // See description of PR #4246:
-#if !defined(NDEBUG) && !defined(PY_ASSERT_GIL_HELD_INCREF_DECREF)                                \
+#if !defined(PYBIND11_NO_ASSERT_GIL_HELD_INCREF_DECREF) && !defined(NDEBUG)                       \
-    && !(defined(PYPY_VERSION)                                                                    \
+    && !defined(PYPY_VERSION) && !defined(PYBIND11_ASSERT_GIL_HELD_INCREF_DECREF)
-         && defined(_MSC_VER)) /* PyPy Windows: pytest hangs indefinitely at the end of the       \
-                                  process (see PR #4268) */                                       \
-    && !defined(PYBIND11_ASSERT_GIL_HELD_INCREF_DECREF)
 #    define PYBIND11_ASSERT_GIL_HELD_INCREF_DECREF
 #endif
 

include/pybind11/pytypes.h

@@ -303,7 +303,12 @@ private:
             stderr,
             "%s is being called while the GIL is either not held or invalid. Please see "
             "https://pybind11.readthedocs.io/en/stable/advanced/"
-            "misc.html#common-sources-of-global-interpreter-lock-errors for debugging advice.\n",
+            "misc.html#common-sources-of-global-interpreter-lock-errors for debugging advice.\n"
+            "If you are convinced there is no bug in your code, you can #define "
+            "PYBIND11_NO_ASSERT_GIL_HELD_INCREF_DECREF"
+            "to disable this check. In that case you have to ensure this #define is consistently "
+            "used for all translation units linked into a given pybind11 extension, otherwise "
+            "there will be ODR violations.",
             function_name.c_str());
         fflush(stderr);
         if (Py_TYPE(m_ptr)->tp_name != nullptr) {