Metrics through Transformations

While testing different tracking values for all glyphs in a font (By transformations on metrics) Is it possible to synch kerning values as well?

With group kerning only.

… image below

Like actions in Fontlab

Do Kerning groups (in terms of Glyph similarities) work for None-Latin Scripts ??
Yes
Is this what you mean? https://github.com/mekkablue/Glyphs-Scripts/blob/master/Metrics/Adjust%20Kerning%20in %20Master.py

You’re so generous Erich.
(I’ll elaborate via email)