Qt 5 support to end starting in ParaView 6.2

Development
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To finalize ParaView’s transition to Qt 6, the ParaView team is planning to stop supporting Qt 5 in ParaView starting with ParaView 6.2. Qt 6 will be the only major version of Qt supported by ParaView going forward. ParaView 6.2 is scheduled for release mid-2026.

Qt 5.15 was end-of-lifed earlier this year. Supporting only Qt 6 will reduce ParaView source code maintenance involved in supporting two Qt major versions.

Please let us know if this end of support for Qt 6 will cause problems for your use of ParaView.

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Qt minimum version will be updated to 5.15
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In terms of licensing, how does the existing and the potential future license changes in Qt 6 affect the use of ParaView in commercial applications (I mean a ParaView branded application)?

In terms of toolchain, did you face any issues compiling the Qt 6 based ParaView on older machines? We plan to target HPC clusters.

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Which license change are you refering to ? I dont see anything.

did you face any issues compiling the Qt 6 based ParaView on older machines?

We usually do not compile Qt6 ourselves and rely on binaries provided by the Qt company

We plan to target HPC clusters.

I would not expect Qt to be enabled in a ParaView deplayed on an HPC cluster.

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You are right, I mixed it up.

We usually do not compile Qt6 ourselves and rely on binaries provided by the Qt company

I had in mind the case when you let the ParaView superbuild build Qt from sources.

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With Qt6, we do not support building Qt from sources in the paraview superbuild, instead the system Qt is being packaged.

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