8.26.3 Can you answer these questions?

8.26.3.1 VandermondeSolve changes, InterpolatingFunctionToPiecewise breaks

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=271749

I just notice  ResourceFunction["InterpolatingFunctionToPiecewise"]  is broken in v13.1. (Perhaps it's in v13.0, I'm not sure. ) Here's a sample: 
... 
[linear-algebra] [undocumented] [compatibility] [resourcefunction]
 

asked by xzczd https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1871 Score of 2

8.26.3.2 Removing GraphHighlight from highlighted graph

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=271774

What is the problem with the following code? Annotation  GraphHighlight  should be deleted but it is still present in the graph: 
... 
[graphs-and-networks] [bugs]
 

asked by azerbajdzan https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=53172 Score of 1

8.26.3.3 How can I get a BarLegend for ImageDisplacements?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=271875

I'm trying to compute Optical flow using ImageDisplacements.In the example given in the documentation, there is a figure showing the levels of displacement. How can I get a Barlegend or something ... 
[image-processing]
 

asked by dinesh https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=74071 Score of 1