[Qgis-developer] QT 5.2 is out

Martin Dobias wonder.sk at gmail.com
Fri Dec 13 01:46:56 PST 2013

On Fri, Dec 13, 2013 at 4:13 PM, Denis Rouzaud <denis.rouzaud at gmail.com> wrote:
>> Yeah, it would be great to see QGIS ported to Qt5. My hope is that
>> QGIS 3.0 will use Qt5 and Python3.
>>  From what I have read in Qt blogs, Qt 5.2 should really make
>> development for Android easier than ever before.
> Is there any guidance regarding this?
> I mean, on one hand, I think users (plugins dev mainly) might be upset if
> this change is happening so close to 2.0 release and on the other hand we
> don't want to wait ten years for this to happen, especially if this brings
> QGIS more easily on mobile device.
> If QGIS 3 is brought as the "mobile" release, it might sweeten the pill.

We should be able to get our codebase into a state where it will
compile with both Qt4 and Qt5. The transition should be relatively
painless (mostly fixing the build and plugin/provider system). Even
after that, all the 2.x releases would still be based on Qt4 and
Python2 - no change whatsoever, so no reason for making plugin
developers angry. Just people building their custom projects based on
QGIS would eventually be able to use the new features from Qt5.


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