Changelog v2.9.2

New

• Added Mermaid diagrams in linked Markdown files, presentations, and HTML exports.
• Added PDF thumbnails and document information.
• Added playback for local audio/video files and direct media links.
• Added three adaptive cover layouts with size and alignment controls.

Improved

• Clearer file paths with a new “Show in File Manager” action.
• Title lists now prioritize note and preview content.
• Cleaner source labels and better note visibility in compact cards.
• More consistent preview caching, refreshing, and plain-text display.

Fixed

• Templates now apply directly to the board with a single undo step.
• Removed duplicate image links from cover settings.