• Use Ask This Book to explore plots, characters and relationships, get an overview, discuss the story, or ask for writing ideas. • Choose the chapters to include, with batch selection through the chapter hierarchy. Deep Summary processes the selected, readable text in batches. Follow its progress or stop the task. • Choose a local model or configure your own external AI API. Before external requests, confirm the content and review estimated usage. • Check reference chapters and original excerpts against the answer. AI can make mistakes. • Improved text preparation, index reuse, sync progress messages and multilingual display for large projects. • Refined paragraph annotations, the writing toolbar, automatic backups and conflict handling. Local models work offline once the model and manuscript are ready on your device. External APIs require a network connection and may incur provider charges. AI answers are for reference; check the original text.

Adds a complete paragraph annotation workflow with viewing, editing, locating, deleting, and re-anchoring. Improves on-demand loading for large projects and iCloud files, strengthens conflict recovery, coordinated writes, automatic backups, and background saves, and expands the customizable keyboard and multilingual interface.