Why is Qt 4.7.4 so much bigger than Qt 4.7.3?

There seems to be megabytes of difference between 4.7.3 and 4.7.4 for Qt as
[URL="http://www.developer.nokia.com/Community/Wiki/Nokia_Smart_Installer_for_Symbian"]distributed by Smart Installer[/URL]

Like 5.8Mb vs 7.7.Mb for Qt. That is huge for supposedly minor release, what's up with that?

While I've got your ear, does the following ring a bell?

Looks like something broke split screen virtual keyboard support hack that worked Ok before. Not sure if it is Qt version, or something else.
[URL="http://talvbansal.com/2011/08/22/split-entry-on-symbian-3-devices/"]This[/URL] no longer seems to work reliably on C7 running Anna.

Btw.
[URL="http://qt.gitorious.org/qt/pages/QtKnownIssues"]http://qt.gitorious.org/qt/pages/QtKnownIssues[/URL]
is not updated since Qt 4.7.2

You can compare and check what is included from previous version from here [url]http://labs.qt.nokia.com/2011/09/01/qt-4-7-4-released/[/url]