Hi Lorenzo,

About QtWebKit, unfortunately, it is now more than deprecated, and is
not present anymore. Some QGIS features depending on it will need to be
refactored.

I think about the attachment form widget Web preview mode which will not
work for instance (see https://github.com/qgis/QGIS/issues/63391).

As you mentioned DataPlotly plugin, a branch to support QGIS 4 with Qt6
and switch from QtWebKit to QtWebEngine is under development. I use this
version at the moment.

https://github.com/ghtmtt/DataPlotly/tree/qt6

Regards,
Jacky


On Tue Dec 9, 2025 at 1:52 AM CET, Lorenzo Moretti via QGIS-Developer wrote:
> I downloaded the latest version of QGIS for MacOS and I have to thank you 
> because it is finally a version with updated internal libraries and 
> multi-architecture for Intel and Apple Silicon. Above all, with ARM 
> processors, you can really notice the difference in speed both when opening 
> and running the program. The leap in performance is truly remarkable.
>
> In general, you have included many Python libraries within this application 
> that are necessary to run most of the plugins, but some are missing. They can 
> of course be installed with the command:
> % /Applications/QGIS-final-3_44_5.app/Contents/MacOS/python -m pip install 
> pythonlib
> However, with each new version of QGIS, you have to do it all over again. 
> Among those to be installed to make various plugins work are scipy, plotly, 
> pandas, matplotlib, scikit-learn, astropy, netCDF4, and others.
>
> The other missing libraries needed to run some plugins, including DataPlotly, 
> are Python libraries for the Qt environment: PyQt5.QtWebKit and 
> PyQt5.QtWebKitWidgets. They seem to be deprecated, but unfortunately they are 
> necessary. I was unable to install them.
>
> Non-functioning executables: the “qgis_process” program. You have inserted it 
> into QGIS, but once executed from the terminal, everything freezes and 
> several library connection errors appear.
>
> Packages not present: “qgis_server”. In the old version, Intel only, the 
> server part was there and worked. Here it is not present.
>
> Anyway, thanks again for this fantastic version ahead of the future version 4.
> Lorenzo




-- 
Jacky Volpes - Oslandia
Ingénieur développeur SIG

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