ID 470179 - [USD I/O] UsdInMotionOverrides node doesn't work

Problem summary:

Using UsdInMotionOverrides node to set motionTimeSamples doesn't seem to work. Please find an example scene attached.

Steps to reproduce:

1. Bring in a USD scene via UsdIn that contains an animation.
2. Render it with you renderer of choice making sure that motion blur is enabled.
3. You should not see any motion blur yet.
4. Set motionTimeSamples on UsdIn node to "0 1".
5. Render again, you should be able to see the motion blur.
6. Clear motionTimeSamples paramater on UsdIn node.
7. Add UsdInMotionOverrides node at the end of the graph. Point the location to the root of the USD asset.
8. Set motionTimeSamples on UsdInMotionOverrides to "0 1".
9. Do a render.

Expected behaviour:

You should see motion blur.

Actual behaviour:

There is no motion blur.

Workaround:

No known workaround.

Tested versions/platforms:

• 4.0dev

Customer version/platform:

Not supplied