TrueType conversion fails if intermediate layers not replicated in composite glyph

Glyphs
1

Hello. Is this new? I have never run into this bug before.

When I try to export a variable font, I get the error “These glyphs are not compatible: gcircumflex.ss02. Probably the TrueType conversion failed”.

I investigated and found that it was happening because I have an intermediate layer in my g.ss02, which I had not replicated in my gcircumflex (which is purely a composite of g.ss02 and circumflexcomb). When I replicate the intermediate layers in gcircumflex, the export works fine.

Is this supposed to happen?

2

Any information on this? Thanks!

3

I can’t reproduce this. Do you also have an intermediate layer in the circumflexcomb? Can you send me the file?

4

No, only an intermediate layer in the g. I’ll send you the file later.

5

Very weird. Just tried on my laptop (Air 2020, Intel) and it works in 3246. I will try again on my M2 machine at home later (where it didn’t work).