Exported otf has some corrupted glyphs

I’ve created a matrix font in glyph mini. All working fine except that the ®©ÆØ

Yes. There is a problem with glyphs that have too many paths. You can either try to remove some paths or export without removing overlap.

Okay

The next update that I hope I can publish soon will lift the limit quite a bit. So the issue will kick in less often.