The 1.4 update was a milestone for power users, introducing several "pro" features: Release Notes - SideNotes - Apptorium
Full support for markdown formatting, including headers, code blocks, lists, and task checkboxes. SideNotes 1.4.6
Notes slide in from the screen edge via a hot side, menu bar icon, or global keyboard shortcut. menu bar icon
Uses iCloud to sync notes instantly between macOS and the SideNotes iOS app . Key Enhancements in the 1.4 Series SideNotes 1.4.6
Notes are organized into folders with customizable colors and themes.
SideNotes is designed as a digital "post-it note wall" that lives on the edge of your Mac's screen. It allows you to capture ideas without switching away from your current application.