v3.1.1

• EPUB export! Now with a Table of Contents and custom file naming
• Visualdiffs when comparing drafts and merging sync conflicts
• Distraction-free editing: phones hide everything but the editor while typing
• New desktop splash screen
• Timeline Z-A sort option
• More reliable sync error handling
• Faster Linux AppImage delta updates
• Fix: Spellcheck disabling
• Crash fixes
• Updated translations
• Server: Migrate DB to Postgres
• Server: Optional analytics