Update announcement

packaging/ANNOUNCE.txt

@@ -9,45 +9,17 @@
 
 
 
-Announcing wxPython 4.0.5
+Announcing wxPython 4.0.6
 =========================
 
-PyPI:   https://pypi.org/project/wxPython/4.0.5
+PyPI:   https://pypi.org/project/wxPython/4.0.6
 Extras: https://extras.wxPython.org/wxPython4/extras/
-Pip:    ``pip install wxPython==4.0.5``
-
-Changes in this release include the following:
-
-
-* Added missing HtmlWindow.ScrollToAnchor method, and also a couple methods 
-  in HtmlCell too. (#1141)
-
-* Added missing setters for the wheel-related properties in wx.MouseEvent. 
-  (#1140)
-
-* Updated wxWidgets commit reference, bringing fixes for #1140, #1086 and 
-  #1147.
-
-* Fix the use of the output parameter in HtmlWindow.OnOpeningURL the same way 
-  it was fixed in HtmlWindowInterface.OnHTMLOpeningURL. (#1068)
-
-* Fixed a crashing bug when using a member of a transient wx.VisualAttributes
-  object. Also set the attributes to be read-only to simplify the fix. (#1198).
-  
-* Updated the sip being used in wxPython builds to version 4.19.16.
-
-* Added helper functions to check results of wxWidgets configure during the
-  build of wxPython. Currently used to determine if the wx webview, glcanvas,
-  and media libraries should be added to the link command. (#1138)
-
-* Fixed scrollbar issue with ListCtrlAutoWidthMixin (#1215)
-
-* Fixed file access in the wx.py and wx.tools.pywxrc packages to be Python 2 and
-  3 compatible. (#1193, #1156)
-
-* Fixes for building with Python 3.8 on Linux. (#1227)
+Pip:    ``pip install wxPython==4.0.6``
 
+This is a quick-fix release to take care of the following issue:
 
+* Fixed a probably rare, but fatal bug on OSX when calling certain 
+  overloaded virtual methods with implementations in Python.