The lerp and blend nodes are broken when used with material functions. When alpha equals to 1, the node returns the input “A” instead of the input “B”. 1 - Steps to Reproduce In a new project (4.25 ONLY), create a two material function that return two different color (ex: one for red and one for g…

It seems bugged on the new 4.25 version, so I made a bug report. Use constant instead of parameter as workaround in the meanwhile.