IntegrateVariables filter does not update update with time steps


I have a bunch of .vtp files that represent surface data at different time steps (generated by OpenFOAM). I load these, process them and then group them using the GroupDataSets filter, followed by the IntegrateVariables filter. The GroupDataSets filter still has all the time data, but the IntegrateVariables filter is fixed on one time step.

The attached state and vtp files show a simplified example of my pipeline. The state file is made with v5.10.0, but the behaviour is the same for 5.11.0-RC2.

What should I do to have the output of the IntegrateVariables filter change with every time step?

screenproject.tar.gz (196.2 KB)