Find anything. Be heard. Global Search (Premium) - Press Cmd+Shift+F anywhere to search your entire library at once - Covers document titles, highlights, notes, and full PDF text, Chinese included - Keyword and semantic matching run together, ranked by relevance, with exact matches and related ideas shown separately - A private on-device index keeps semantic search offline at no API cost, and keyword results are ready instantly - Click any result to jump straight to the page, highlight, or note In-App Feedback (free for everyone) - Send issues, feature requests, and ideas right from Settings - Attach screenshots, get replies, and follow up, all in one place Thanks for reading with TT NoteBook.

v1.3.0 · On-Device Semantic Search + AI Tool Calling On-Device Semantic Search - New Core ML embedding engine — all vector processing happens locally on your Mac - Cross-document semantic retrieval, no API calls needed, fully offline capable - Multilingual MiniLM model (384 dimensions) works across Chinese, English, Japanese, and more AI Tool Calling - 7 built-in tools: read pages, search annotations, semantic retrieval, web search, explain passages, summarize, generate notes - Fully automatic orchestration — AI picks the right tool for your question - Transparent tool-call timeline, every step visible to you Visual Redesign - Brand-new dark leather and gold TT app icon - Reader, document sidebar, and AI chat fully aligned with the updated design system - Responsive layout — all panels scale proportionally as you resize the window Paywall Redesign - Free vs Lifetime two-column comparison layout - Restore Purchase now has loading state and clear result feedback - Lifetime plan: one-time $0.99, all future updates included Other Improvements - Onboarding now includes an AI provider selection step - Annotation detail and note editor can open in standalone windows - PDF page gains native shadow and breathing spacing - Clear-chat now has a confirmation dialog to prevent accidental loss - AI chat streaming: cursor, stop button, citation cards, and regenerate - Annotation sidebar filter chips show live counts - Settings redesigned with a two-column sidebar architecture Bug Fixes - Fixed reasoning block stuck on "thinking…" after streaming ends - Fixed standalone windows not matching main window color and size - Fixed empty notes rendering as blank rows - Fixed Tool Calling path missing debug info

Smarter AI Conversations Full Markdown rendering in AI responses — code blocks, bold, lists, and more Real-time streaming display with smooth incremental text rendering Copy and Quote buttons on every message for easy reference Automatic PDF outline extraction for better document understanding Improved context assembly: AI now understands which part of your document matters most On-Device Embeddings (Privacy-First) New Core ML-based embedding engine — all vector processing happens locally on your Mac No API calls needed for semantic search, completely offline capable Powered by multilingual MiniLM model (384 dimensions) 90% Lower API Costs Prompt Cache integration reduces token costs by up to 90% for repeated conversations Automatic and transparent — no configuration required Enhanced Reading Experience Annotations and notes are now instantly indexed for AI search on create/edit Auto-focus text cursor when editing annotation notes Stop button during AI generation for better control Bug Fixes & Stability Fixed Core ML model loading reliability on startup Improved Chinese text tokenization accuracy Fixed embedding cache validation issues

Conversation Management - Create and manage multiple conversations per document - Switch between different discussion threads easily - Rename and organize your AI conversations - Never lose context when exploring different topics Enhanced AI Experience - Separate API key storage for each AI provider - Improved token management for large documents - Better context assembly for more accurate AI responses - Debug panel to view AI request context (for power users) Stability & Performance - Optimized chat list performance with smoother scrolling - Fixed iCloud sync status display issues - Various bug fixes and improvements