How to properly export landscape and foliage as static meshes from UE 5.3?

I’m trying to export my landscape and foliage into GLTF/GLB so I can use it elsewhere but it does not export/import properly.

I select the landscape and go to File > Exported Selected > GLB and export the landscape

Importing into Blender shows the landscape as a set of empties and all the foliage is in the corner

It is not supported in 5.3. We added the feature in 5.4.

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yay! Any chance to fix this in UE5.3?

If you build from source you can try and get the commit back into your 5.3
https://github.com/EpicGames/UnrealEngine/commit/d10bdbd8472f6c1a4f5c3e6b4eb9bbd951c2f2d3

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If I compile this GLTF exporter and put it in my project’s Plugins folder, would it work?

So I tried to export as .glb from UE 5.4 and the landscape seems to work but foliage is gone. There also seem to be lots of errors popping up in the GLTF/GLB importer in Blender 3.4.1

Do you have a the map sample to share with us?

The .glb file from 5.4? Here it is.

This is the .glb file from 5.3.

Also, I should state that the two sets of trees in the 5.3 version are one, from the material based grass system and the other is from the PCG Graph system that has been converted to static meshes. Both end up bunched together at their respective origins. (This does not happen when the foliage static meshes are exported separately using any other file type)

This is from the same project migrated to 5.4
I can also attach the 5.3 and 5.4 projects if required but they are quite large.

This is the current landscape setup in the project

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