It appears that the “Import Master” custom parameters is broken in both versions 3.2 (3195) and 3.1.2 (3151). Although the added master appears in the master selection top bar, it is empty and does not appear in the Layers Palette.
Any news ? 
What are the design space coordinates?
See with this screenshot :
The current font and the imported font only have a weight axis.
The source has a master set to a wght = 20, while the imported bold master has wght = 120.
Can you send me the files?
Import Master.zip (5.9 KB)
Thanks for the file.
There are two issues.
- the fonts use the same master ID. That is an internal value that used to use a very long, unique number that avoided collisions like this. I need to add some code to avoid this.
- The layer panel was not fully aware of the imported masters. I fixed that.
1 Like
I fixed several problems.
Awesome ! Thanks Georg 
Hi @GeorgSeifert
Using the CP for the first time to link Condensed masters to my main file. When exporting a VF, the condensed characters are not available. Exporting static files gives an error saying the ascender is too small, if I cheat an slightly bump up the width of my static instances, the export works, but all metrics are smashed down to the baseline (which makes sense when considering the error before). Any idea what might have gone wrong? I’m sure it’s something in my file setup but I can’t wrap my head around it.
Thanks for the test file. I’m working on fixing this.
Hi @GeorgSeifert , any news regarding this?
The latest cutting edge version has has a small fix. It should work for glyphs without brace layers.
Amazing, thank you. I’m not using brace layers so far, but I’m wondering about bracket layers. Is there a way to implement those? I set them up with the same values/conditions in my individual files, but they are not showing when I import the masters via the CP
I have seen that extra layers are not imported. I’ll need to work on that.
Understood, thank you :^) Looking forward to future updates then