Re: Qt6 ?

[Veljko M. <mve...@gm...>]

 I am planing to upgrade from qt 5.14.1 and qwt 6.4.1 to qwt6.2 and qt6.2.
Do you think there is a reasonable chance that aplications developed for
5.14.1 and 6.4.1 will continue to work without severe problems after
upgrade.
I use markers ,plots,zooming, heat maps,2d plots etc...


sre, 21. dec 2022. 16:52 Uwe Rathmann <Uwe...@ti...> је
написао/ла:

> On 12/21/22 16:33, Veljko Milisavljevic wrote:
>
> > Is there some combination of qwt 6.x and qt 6.x which work well
> > together and without bugs?
>
> You need Qwt 6.2 for Qt6. https://sourceforge.net/p/qwt/git/ci/qwt-6.2
> adds all bug fixes that have been made since then, but are not yet
> released. ( Note that development happens in a different branch )
>
> Qwt works around known Qt bugs if possible and you find a lot of #ifdefs
> in the code to handle issues of specific Qt versions.
>
> Unfortunately I do not have one a workaround for the Qt 6.4 problem when
> inserting an QOpenGLWidget into a visible window. But as the majority of
> the users does not need the OpenGL path, that might be no problem for you.
>
> In case you are looking for a stable Qt version I would always go with
> the latest LTS version, what is Qt 6.2 at the moment. However I'm not
> aware of specific bugs that affect Qwt in more recent versions - beside
> the one above.
>
> HTH,
> Uwe
>
>
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