Bug: Transformations slants additional masters twice

Filter > Transformations does not work correctly with MM fonts. If “All Layers” is selected masters beyond the first are either being slanted twice or with double the original value. So if I slant all masters 12° then Regular gets a 12° slant and Bold gets 24°.

The bug is already reported. Until it’s fixed, please avoid the All Layers function and slant each master individually.