Tag-Autocomplete enables you to re-use your existing tags much faster and you don’t have to guess or look them up anymore. Once you start typing “#… ” and some character it shows you a list of results you can pick from. Use the arrow keys and enter to quickly select a tag without having to use the mouse. Same is also possible now on iOS.
Additionally, you can not only autocomplete # and @ tags, but also links to notes. Start typing “[[…” and you’ll see your list of notes to choose from. If you select one, a link will be posted automatically.
On iOS a button was added to create a link to a note without having to type it out: