Add Kerning Manager Palette
Many fonts have badly kerning values, to correct these faults, we should have the precise control through the font in a document or to be permanent for the font used in ID, until the user rechange the kerning pairs values again. In some cases, the font kerning values are good, but the user likes to modify these values in a document, such as many swashes fonts.
the old QuarkXPress from 20+ years ago had custom kerning tables. It comes up all the time.
Tobias Wantzen commented
I suggested a similar thing in august: