Add changelog note

CHANGES.rst

@@ -8,6 +8,24 @@
 wxPython Changelog
 ==================
 
+4.1.2
+-----
+* (unreleased)
+
+PyPI:   https://pypi.python.org/pypi/wxPython/4.1.2
+Extras: https://extras.wxPython.org/wxPython4/extras/
+Pip:    ``pip install wxPython==4.1.2``
+
+New and improved in this release:
+
+* Tweaked the build scripts a bit to ensure that on non-Windows platforms that
+  the complier and flags used by default match those used by wxWidgets, (with
+  the flags needed by Python added on.) The compiler commands can be overridden
+  by setting CC and CXX in the environment if needed. (#1247)
+
+
+
+
 4.1.1 "An attitude of gratitude"
 --------------------------------
 * 21-Nov-2020