# Uncategorized

**URL:** https://discourse.vtk.org/c/uncategorized/1.md

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## [Welcome to the VTK Discourse forum!](https://discourse.vtk.org/t/welcome-to-the-vtk-discourse-forum/8)

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**Author:** [@system](https://discourse.vtk.org/u/system)\
**Replies:** 0\
**Last updated:** [August 28, 2018, 7:32pm UTC](https://discourse.vtk.org/t/welcome-to-the-vtk-discourse-forum/8 "2018-08-28T19:32:09Z")

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Welcome to the VTK discussion forum! The Visualization Toolkit (VTK) is an open-source, cross-platform library for manipulating and displaying scientific data. It comes with state-of-the-art tools for 3D rendering, a sui…

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## [dropping support for Qt 5.6 and below](https://discourse.vtk.org/t/dropping-support-for-qt-5-6-and-below/493)

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**Author:** [@utkarshayachit](https://discourse.vtk.org/u/utkarshayachit)\
**Replies:** 4\
**Last updated:** [May 7, 2019, 4:49pm UTC](https://discourse.vtk.org/t/dropping-support-for-qt-5-6-and-below/493 "2019-05-07T16:49:04Z")

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Qt 5.6 LTS support ends March 2019. Consequently, I think we should drop support for 5.6 in VTK too. Thoughts? Objections?

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## [update VTK's minimum ospray version to 1.8.1?](https://discourse.vtk.org/t/update-vtks-minimum-ospray-version-to-1-8-1/332)

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**Author:** [@Dave\_DeMarle](https://discourse.vtk.org/u/Dave_DeMarle)\
**Replies:** 0\
**Last updated:** [February 26, 2019, 2:53pm UTC](https://discourse.vtk.org/t/update-vtks-minimum-ospray-version-to-1-8-1/332 "2019-02-26T14:53:58Z")

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Hey gang, I am working to incorporate image denoising. As part of that work I want to update the minimum required version of OSPRay a bit. Doing so will let me remove a bunch of conditionally defined paths in the code a…