How to reimport skeletal mesh with new morph targets and parameters(curves) added to skeleton?

I have imported a skeletal mesh and created a skeleton, at the time we weren’t going with morphtargets, nor were there plans for material parameters being animated via DCC animation. But plans change, so I’m trying to reimport a skeletal mesh with morph targets, and the skeleton with parameters/float attributes. But the morph targets are not showing up, and the parameters are not being added when I reimport.

if I import as a new asset, all that gets added… however that is not a viable path for production (the skeleton is shared across many assets -all of them needing those material curves and morph target curves) with tons of blueprints and code referencing that skeleton and skeletal mesh.

There is no option in UE5 that I can see to change those settings on an existing file. reimport doesn’t bring up the options menu, reimport with new file doesn’t do it.. in the skeletal mesh editor and going to file-reimport does not bring up that UI, and I don’t see any option to load morphtargets (nor can I add attributes from an fbx file to the skeleton, I’d have to add each one manually and that’s horrible)… but that seems to be the only way I can get those things added…
How would I reimport a skeletal mesh with that UI that comes up on a new skeletal mesh import?

Hello there @gmoney_rigger!

Checking around the community, the fact that the Import Dialog menu doesn’t show up again during reimport, it’s due the engine reusing the asset’s existing import data. And re-importing with a new file won’t trigger it as well.

In order to force the Import Dialog window to show up when reimporting your asset, go to Edit > Editor Preferences, and search for Import. There, you can enable “Show Import Dialog at Reimport”. Save the change, restart your engine, and test reimporting the skeleton again.

As for how to store your morphs, and custom curve attributes, please make sure that “Import Morph Targets” and “Import Attributes as Curves or Animation Attributes” are enabled in the Import Dialog settings.

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