Alembic Playback Interpolation

Hi,

I was under the impression, that slowing down an Alembic file,
would result in interpolation between the meshes (as the interpolation option suggests),
however when I slow down the example files I found on the web (thank you @barakooda),
there is no interpolation between the “frames” at all.

Is there something that has to be set in the incoming Alembic to make interpolation work?

The help could be read like that:
“Interpolate between the samples/keyframes … only works if the selected geometries are defined as dynamic and the transformation information are available from the input Alembic file.”

It may also mean that you have to set the dynamic transformation option
on the Alembic SOP.

Long story short: Will it be possible to interpolate and how?

Thank you,
Stefan