[2.0] remove old observers when reinstalling a newer version

LettError / designSpaceRoboFontExtension

A RoboFont extension for creating and editing designspace documents.

MIT License

29 stars 6 forks source link

Closed typemytype closed 1 year ago

typemytype commented 2 years ago

the old observers stay active and it will open multiple windows for the same designspace file