I tried the sheet plugin, that's really a good plugin. And I was thinking if this draw.io thing could be made as a plugin~
In fact, someone has already done it in vscode
Nice bro!! Right now, I just edit the drawio diagram by its desktop app, and drag the file into joplin. But the edit and sync of diagram file change made me somewhat nervous because I'm afraid that my changes didn't save to the file that I attached to that specific note.
I created a new topic to talk about this in the "plugin" category: