updated version info for v2.2.1 release

docs/conf.py

@@ -61,9 +61,9 @@ author = 'Wenzel Jakob'
 # built documents.
 #
 # The short X.Y version.
-version = '2.3'
+version = '2.2'
 # The full version, including alpha/beta/rc tags.
-release = '2.3.dev0'
+release = '2.2.1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

include/pybind11/detail/common.h

@@ -92,8 +92,8 @@
 #endif
 
 #define PYBIND11_VERSION_MAJOR 2
-#define PYBIND11_VERSION_MINOR 3
-#define PYBIND11_VERSION_PATCH dev0
+#define PYBIND11_VERSION_MINOR 2
+#define PYBIND11_VERSION_PATCH 1
 
 /// Include Python header, disable linking to pythonX_d.lib on Windows in debug mode
 #if defined(_MSC_VER)

pybind11/_version.py

-version_info = (2, 3, 'dev0')
+version_info = (2, 2, 1)
 __version__ = '.'.join(map(str, version_info))