Alexey Knyazev

I think that #1343 covers accessors' reqs.

@najadojo @bghgary @donmccurdy Could you please elaborate a bit on the positioning and the life-cycle of this extension? I understand that this extension has `EXT` prefix so it can be...

> `KHR_lights_punctual2` might add animation of punctual lights. That's something I'd avoid, because it will likely lead to unmanageable fragmentation.

glTF supports custom per-vertex data as custom attributes. Blender supports vertex data painting, so there should be a way to pass such values without treating them as colors. I'm not...

The siderails looked really nice on a wide screen but less so when the page is narrow (when the ToC line gets too close to the left siderail). Better alignment...

> Shouldn't this "type of each property" be `object` instead? Good catch. Yes, members of the `extensions` object should be of `object` type (as `Extension` is not a JSON-Schema type...

The description of `Animation_Skin_02` says: > `skinA` where the skinned node has a transform and a parent node with a transform. Both transforms should be ignored. So it seems that...

Some questions after first glance: - Why geometry LOD is defined on `node` instead of `mesh`? - How does it work with morph targets (e.g., all linked meshes must have...

When given a `mesh` with mixed morphed and non-morphed entries in `mesh.primitives`, glTF-Sample-Viewer, three.js, and PlayCanvas seem to proceed as usual. Babylon yields an error. @bghgary WDYT?

> Would we really see animated morphing in all of these different engines with such a model? Yes, I tested that on a model with an animation targeting morph weights....