Sorry, I packaged a add-ons to .fda by 7zip , however it is grey in the import list of FDM add-ons. Hello, What is this "import list"? The list pop-up after "Install Add-on From File..." Oh, I changed the language from Chinese to English(and other language), and it works now tha...

Sorry, I packaged a add-ons to .fda by 7zip , however it is grey in the import list of FDM add-ons.
Does the add-on work in MacOS now? What type of the package format should I use?