<p>You should not use AddWindow, AddSizer, AddSpacer (and similar for
Insert, Prepend, and etc.) methods any longer. Just use Add and the
wrappers will figure out what to do. <strong>[Changed in 2.5.2.x]</strong>
-AddWindow, AddSize, AddSpacer and etc. will now issue a
+AddWindow, AddSizer, AddSpacer and etc. will now issue a
DeprecationWarning.</p>
<p><strong>[Changed in 2.5.2.x]</strong> The Sizers have had some fundamental internal
changes in the 2.5.2.x release intended to make them do more of the
the "internal" module names have changed, but you shouldn't have been
using them anyway so it shouldn't bother you. ;-) In case you were
erroneously using them in 2.4, here are the internal extension modules
-no longer exist:</p>
+that no longer exist:</p>
<blockquote>
<ul class="simple">
<li>clip_dnd</li>
<p>The help module no longer exists and the classes therein are now part
of the core module imported with wxPython.wx or the wx package.</p>
</div>
-<div class="section" id="other-stuff">
-<h1><a name="other-stuff">Other Stuff</a></h1>
+<div class="section" id="wx-taskbaricon">
+<h1><a name="wx-taskbaricon">wx.TaskBarIcon</a></h1>
+<p><strong>[Changed in 2.5.3.x]</strong></p>
+<p>wx.TaskbarIcon now works on all three platforms, although for wxGTK it
+depends on support from the Window Manager. On OS X the icon replaces
+the application's icon on the dock and when you right click on it the
+app's default popup menu is merged with the wx.TaskBarIcon's menu.
+Because of how it is implemented on the Mac using the Dock most of the
+TaskBarIcon events will _not_ be emitted on that platform, but since
+98% of the time you simply want to display an icon and have a popup
+menu it shouldn't be much of a problem. You can still use the other
+events on the other platforms, you'll just want to be sure that you
+can do everything you want via the menu too.</p>
+<p>Since popping up a menu is the most common thing to do with a
+TaskBarIcon the class has some new built in functionality to
+facilitate that. To use the TaskBarIcon in this new way, simply
+derive a new class from TaskBarIcon and implement a CreatePopupMenu
+method that creates and returns the menu. That's all there is to it,
+besides binding event handlers for the menu items of course. Take a
+look at the DemoTaskBarIcon class in the demo/Main.py module for an
+example.</p>
+<p><strong>NOTE</strong>: Unfortunately due to being able to support virtualizing
+CreatePopupMenu the C++ TaskBarIcon instance now holds a reference to
+the Python instance, and so you will need to explicitly Destroy() your
+TaskBarIcon instance when you are done with it. (Like you do with
+wx.Dialogs.) If you don't destroy it then wxWidgets will assume that
+you want the app to keep running with just the icon in the task bar
+and the MainLoop will not exit.</p>
+</div>
+<div class="section" id="version-number-change">
+<h1><a name="version-number-change">Version Number Change</a></h1>
+<p><strong>[Changed in 2.5.3.x]</strong></p>
+<p>Starting with 2.5.3.0 the Unicode versions of wxPython will no longer
+have a 'u' appended to the fourth component of the version number.
+Please check for the presence of "unicode" in the <cite>wx.PlatformInfo</cite>
+tuple instead. (This tuple of strings has been available since the
+first 2.5 version.) For example:</p>
+<pre class="literal-block">
+if "unicode" in wx.PlatformInfo:
+ # do whatever
+ ...
+</pre>
+</div>
+<div class="section" id="multi-version-installs">
+<h1><a name="multi-version-installs">Multi-Version Installs</a></h1>
+<p><strong>[Changed in 2.5.3.x]</strong></p>
+<p>Starting with 2.5.3.0 the wx and wxPython pacakge directories will be
+installed in a subdirectory of the site-packages directory, instead of
+directly in site-pacakges. This is done to help facilitate having
+multiple versions of wxPython installed side-by-side. Why would you
+want to do this? One possible scenario is you have an app that
+requires wxPython 2.4 but you want to use the newest 2.5 to do your
+development with. Or perhaps you want to be able to test your app
+with several different versions of wxPython to ensure compatibility.
+Before everyone panics, rest asured that if you only install one
+version of wxPython then you should notice no difference in how
+things work.</p>
+<p>In addition to installing wxPython into a "versioned" subdirectory of
+site-packages, a file named <cite>wx.pth</cite> is optionally installed that will
+contain the name of the versioned subdirectory. This will cause that
+subdirectory to be automatically added to the sys.path and so doing an
+"import wx" will find the package in the subdirectory like it would
+have if it was still located directly in site-packages. I say
+"optionally" above because that is how you can control which install
+of wxPython is the default one. Which ever version installs the
+wx.pth file will be the one that is imported with a plain "import wx"
+statement. Of course you can always manipulate that by editing the
+wx.pth file, or by setting PYTHONPATH in the environment, or by the
+method described in the next paragraph.</p>
+<p>Finally, a new module named wxversion.py is installed to the
+site-pacakges directory. It can be used to manipulate the sys.path at
+runtime so your applications can select which version of wxPython they
+would like to to have imported. You use it like this:</p>
+<pre class="literal-block">
+import wxversion
+wxversion.require("2.4")
+import wx
+</pre>
+<p>Then eventhough a 2.5 version of wxPython may be the default the
+application that does the above the first time that wx is imported
+will actually get a 2.4 version. <strong>NOTE:</strong> There isn't actually a 2.4
+version of wxPython that supports this, but there will be.</p>
+<p>Please see this wiki page for more details, HowTo's and FAQ's:
+<a class="reference" href="http://wiki.wxpython.org/index.cgi/MultiVersionInstalls">http://wiki.wxpython.org/index.cgi/MultiVersionInstalls</a></p>
+</div>
+<div class="section" id="miscellaneous-stuff">
+<h1><a name="miscellaneous-stuff">Miscellaneous Stuff</a></h1>
<p>wxPyDefaultPosition and wxPyDefaultSize are gone. Use the
wxDefaultPosition and wxDefaultSize objects instead.</p>
<p>Similarly, the wxSystemSettings backwards compatibiility aliases for
there are compatibility aliases for much of the above items.</p>
<p>The wxWave class has been renamed to wxSound, and now has a slightly
different API.</p>
-<p>wx.TaskbarIcon works on wxGTK-based platforms (for some window
-managers,) however you have to manage it a little bit more than you
-did before. Basically, the app will treat it like a top-level frame
-in that if the wx.TaskBarIcon still exists when all the frames are
-closed then the app will still not exit. You need to ensure that the
-wx.TaskBarIcon is destroyed when your last Frame is closed. For
-wxPython apps it is usually enough if your main frame object holds the
-only reference to the wx.TaskBarIcon, then when the frame is closed
-Python reference counting takes care of the rest.</p>
<p>Before Python 2.3 it was possible to pass a floating point object as a
parameter to a function that expected an integer, and the
PyArg_ParseTuple family of functions would automatically convert to
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