I’m working with Mutable / Customizable Objects in Unreal Engine 5, and I have a character with morph targets set up in the Mutable graph.
I created a Scalar parameter for adjusting ear size and connected it to a Morph node. I can move the slider in the Customizable Object editor, but the mesh only updates after I press Compile — it does not update in real time like in the official Mutable example project.
Here’s what I’ve checked so far:
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The parameter is a Float/Scalar parameter exposed in the graph.
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The Morph node is correctly connected.
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I’m adjusting the value in the Mutable editor slider, not in the character Blueprint yet.
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I followed the official instructions for enabling Real-Time Morph Targets (Real-Time Morphs documentation).
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I do not get any errors.
However, moving the slider does not update the mesh immediately — it only shows the effect once I hit Compile.
Things I’m unsure about:
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Is my graph structure forcing a full recompile (for example, morph being behind a mesh switch or other structural node)?
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Is there an additional setting required for live updates inside the Customizable Object editor?
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Are there limitations where real-time morphs won’t update in preview even when correctly enabled?
I’ve attached screenshots of my Mutable graph and parameter setup below. Any guidance on what I might be missing to get live morph updates from the slider, would be greatly appreciated.
Thanks!
Engine version: UE 5.6