UV cubic mapping button - its gone!

Support Materials and Textures
1

Hi
Im looking for the cubic mapping button in the UV calculation tab. I only found a scale slider but the button is gone since version 2.42.

2

Use the U key in face mode for unwrapping. Cubic projection is one of the options. Fyi, the “Unwrap” menu option defaults to angle-based method; you can switch this to LSCM in the UV panel.