Loading time performance regression?

These are the times I am getting -

But the PR you referenced (i.e. the PR the snapshot you have used ) is not yet merged, so it’s not applied in 5.5.6:

Still test disable meshes because gltf loaders them them on later by deltakosh · Pull Request #12487 · BabylonJS/Babylon.js (github.com)

I’ll merge this soon. Is that the fix for the issue?