Germany has just made the standard Open Document Format (ODF) mandatory
(blog.documentfoundation.org)
What is a plaintext (non-database) md editor that had wikilinks, LaTeX, back links, tags, PDF export, properties and dataviews, and a plugin community? Plus it needs an android app and desktop app that can be synced (even just via syncthing) seamlessly.
I am always open for switching!