[PyQt] implications of running PyQt 4.4.x with Qt 4.5?

Phil Thompson phil at riverbankcomputing.com
Wed Apr 22 17:50:34 BST 2009

On Wed, 22 Apr 2009 12:40:49 -0400, Devon Rueckner
<devon.rueckner at temboo.com> wrote:
> Hi -
> We would like to upgrade to Qt 4.5 for its bug fixes, performance and
> license.
> After simply swapping out Qt and leaving PyQt alone, empirically
> everything works with the exception of a few graphics view rendering
> issues.
> Is running PyQt 4.4.4 with Qt 4.5 considered supported?  What are the
> implications?

Generally there is no problem with using a later version of Qt. The
exception is when that new version introduces new implementations of
existing virtuals - an older PyQt doesn't know to call them. There are some
cases of that in Qt v4.5.


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