Since the “Disable Masters” custom parameter now seems especially stable (Thanks, @GeorgSeifert!), I’m using it frequently to generate subsetted VFs.
I was wondering if it might be a good addition to include a “Subsetted Designspace” custom parameter, where users could choose a range for each axis and then Glyphs could detect which masters are outside the ranges and disable them, similar to how “Disable Masters” works.
I also use both, but sometimes this needs to be done directly in Glyphs, because some glyphs are not available in all masters. For instance, in a setup where the Condensed masters are Light and Bold, but the Normal width has an extra Black master, it’s not possible to generate the VF and then subset it with an external tool.