• Added Czech translation
• Added drag-and-drop to move messages to another folder
• Added cross account copy/move mail - #108
• Added draggable recipients in composer - #111
• Added auto-commit recipient on lost focus - #85
• Added composer del/backspace guard to prevent accidental message delete
• Fixed detached composer system theme detection - #153
• Fixed launch flow - #154
• Fixed dark theme rendering - #155
• Added unread count update after background sync to ensure accuracy