Yes, I have used it for many months. It has been the best solution for my use case for a while. Which is tasks, shopping, planning (trips, …), recipes, and a simple knowledgebase. It was the offline support that set it apart from some other solutions
I have the files in a syncthing folder, so I can access the files without running silverbullet
My biggest problem is keeping up with all the changes. Zef made some youtube videos that are helpful