[Paraview] Dropping Qt 4 support from ParaView 5.5 onwards

[Michael Jackson]

+1.
  Also I would vote to jump all the way to Qt 5.9 since it is a LTS 
release and you can stabilize on Qt 5.9 for the next 3 years at least 
where as Qt 5.6 is only supported in a security bug fix from here on for 
another 2 years. I don't think Qt is going to add support for newer 
operating systems so if something breaks on newer releases of macOS or 
Windows Qt made it sound like they would not fix Qt 5.6

-- 
Michael A. Jackson
BlueQuartz Software, LLC
[e]: mike.jackson at bluequartz.net


Utkarsh Ayachit wrote:
> Folks,
>
> Continuing with dropping of support for legacy components, I wanted to
> raise the question of dropping support for Qt older than 5.6 starting
> with ParaView 5.5 (planned for Nov 2017).
>
> Qt 5.6 has been out since March 2016 and is a LTS release. Qt 4 is no
> longer maintained and does not support newer macOS versions, Windows 10
> or retina displays. Supporting Qt 4 and 5 together is not only causing
> code complexity, but also straining our testing resources.
>
> If there are strong reasons to continue supporting Qt 4 beyond the
> upcoming ParaView 5.4 release, please make us aware before June 30,
> 2017. One can always use older versions of ParaView, if required.
>
> Utkarsh
>
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