Well, my questions are pretty basic but since you offered :)
1. In text note I make a code block and I do not know how to 'exit it'. How can I 'finish' it and make another paragraph?
2. Is there a shortcut to insert a checkbox (like Evernote does with Ctrl+Shift+C
3. Is there a way to change the font? I like Mono fonts for notes.
4. Can I reduce the margin between paragraphs in text notes?