Plot data points for material properties is no longer working

V1.4.1 Error: Specified cast is not valid.

I can confirm this. Also, notice that in v1.4.1, temperature fields are shown even when temperature-dependence is not enabled:

I have fixed the code and updated the release version v1.4.1.

Please give it a try and confirm it is working now.

I can confirm that it’s working now.