You are correct, this is not supported in the online editor.AdminCarbonFin (Developer, CarbonFin) shared this idea ·
Tags are synced only when using CarbonFin as your storage option. Since Dropbox uses OPML, and OPML doesn't support tags, this feature is not supported.
With that said, adding support is under consideration.
Allow the user to select the font used across outlines.