Group Sorting in unreal 5.1

I need your help. In my material, the category tab does not appear group sorting.

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Same issue here. No group sorting section available in the material editor.

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If you manage to find the solution, let us know! so far nothing, I got nothing.

same.
If it’s a bug, I’d like to see it resolved ASAP.

It looks like it’s removed after Unreal 5.1. Any Dev know why this is?

For complex materials it’s great to be able to sort material groups.


I read the data of ParameterGroupData through python in 5.2, and the engine prompts me that it has been deprecated. I don’t understand what the developer thinks, but I hope this feature can be added back, otherwise it can only be sorted by the first letter or number of the group name, which is not a convenient way

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I hope this feature comes back. Maybe more abstractly across more of the interface, or with better UX? I can’t see why else a feature would be entirely removed. The group name index prefixing is just highly unprofessional and a worn out workflow, so this ability would be valuable in many UI contexts. Oddly, this feature is still in the documentation:
Creating and Using Material Instances in Unreal Engine | Unreal Engine 5.2 Documentation.

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It’s sad to see such feature missing without something to cover it up.

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Reviving the thread to share an update. This issue has been addressed by the team, and marked as fixed in its public issue tracking link: Unreal Engine Issues and Bug Tracker (UE-176110)). Estimated release to include the change is 5.5.