Not production ready
App is missing core functionality such as: multi-step undo. No support for multiple accounts/profile-switching such as work/home. There is a strong focus on markdown instead of getting robust plain-text support to work first. Updates are not well tested in seem to introduce regressions as much as fix exising problems. Older versions which had fewer features, ran smoothly. As of 4.0.4, interaction is slow and clunk-clunk-clunky. Adding text to a note adds ~100ms delay per letter typed (with Notes v4.0.4 and NC 23.0.7)
Overall the app is of middling utility, especially considering its age. Best to wait a for quality to mature
I recommend using Koder app with nextcloud webdav instead.