Per Instance Custom Data - data not static

Development Rendering
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2

This is exactly my issue too:

https://forums.unrealengine.com/development-discussion/rendering/1765990-perinstancecustomdata-not-working-in-hism

If you have a mesh with more vertices, the number of stable instances get way below 100. This PerInstanceCustomData works perfectly with ISM though. You can try that.

I have reported this as a bug, but it didn’t get submitted. So, I’m guessing it’s either in development or never gonna happen!