What's New: • Full EPUB reading mode — imported .epub books now render beautifully and read aloud in sync • AI assistant upgraded to the 3.0 model for sharper, faster answers • Adjustable subtitle font size — scale captions up or down to your liking • Cross-page playback sync in word study: audio keeps following the current word as you turn the page • Redesigned manual word entry with a cleaner layout and tap-to-dismiss keyboard • YouTube imports now handle bot-verification steps, so more videos come through successfully Improvements: • Long-document speech synthesis is now chunked, making large files far more reliable • CSV dictionary import auto-detects column layout and supports both common formats • More dependable YouTube playback, with a clear message when a video fails to load • Importing a legacy .xls dictionary now tells you what to convert instead of failing silently Bug Fixes: • Fixed occasional crashes during use — noticeably more stable overall • Fixed wrong language detection in multi-language shadowing, so scoring is accurate • Fixed EPUB loading and narration falling out of sync • Fixed a crash in AI chat under certain conditions • Fixed some documents that couldn't be picked in the file importer

What's New: • EPUB reading mode now available for an immersive reading experience • Real-time OCR for PDF documents with auto-recognition and manual playback control • New page navigation bar for PDFs with import success notifications • AI example sentences now support difficulty level selection for targeted learning • Added Kilo AI as a new AI service provider • Refresh AI models per provider to always get the latest available models • Smart CSV format detection that automatically adapts to different column layouts Improvements: • Major PDF reader improvements: better page sync, smoother view switching, faster loading • Improved YouTube player integration • Better Whisper model error handling and messaging • Fixed a potential crash in AI chat when timestamps are missing • Fixed input bar auto-resizing issues

What's New: • New example sentence playback — tap any example to hear it spoken aloud • Auto-hide bottom tab bar during video playback for immersive viewing • Cleaner interface with tab bar hidden on Study, Profile, and other key pages Improvements: • Refined back button behavior on the study screen • Refactored word learning navigation and AI call logic for faster response • Adjusted example sentence font size for better readability • Centered capsule view alignment on the course home screen • Improved API key setup UI and guidance text • Polished chat interface details and localization Bug Fixes: • Fixed study page triggering repeatedly on iOS 18 • Fixed Markdown rendering issues in AI chat • Fixed sheet transparency issue on iPad • Fixed chat UI display problems on iPad • Fixed toast occlusion and session initialization issues

What's New: • New example sentence playback — listen to pronunciation while learning words • Auto-hide tab bar during video playback for immersive viewing Improvements: • Enhanced video player: improved subtitle controls, transcription layout, and faster model loading • Smoother AI integration in word learning • Added navigation stack to profile section for cleaner browsing • Improved drag gesture responsiveness • Removed unused features for a lighter app Bug Fixes: • Fixed Markdown rendering issues in AI chat • Fixed translucent popup background on iPad • Fixed toast notifications being obscured • Fixed API key setup UI display issues

What's New: • Multiple send modes for AI chat—word learning just got more flexible • Upgraded video player with smoother subtitle controls and drag interactions • Enhanced grammar analysis guidance with clearer AI translation prompts Improvements: • Refined course home layout for better visual comfort • Comprehensive AI chat UI improvements, especially on iPad • Smarter language detection for read-aloud features • Optimized word analysis prompts for more natural Chinese responses • Better dictionary loading with friendlier error handling • Fine-tuned drag gesture sensitivity for smoother control • Perfect Markdown rendering—formats display exactly as intended

What's New: • AI-Powered Word Learning — Study words smarter with multiple interactive AI modes • Example Sentences & Multi-Language Dictionaries — Browse rich examples and switch between dictionaries in different languages • Multi-Dictionary Recording Aggregation — Word pronunciations now aggregate recordings from multiple dictionary sources, with friendly guidance when no dictionary is found • Smarter Word Addition — New save prompts and input focus management for a smoother word-adding experience Improvements: • Refreshed course home banner layout for a cleaner look • Unified SF Symbols for consistent display across all devices • Refined AI prompt rules for more natural interactions • Simplified shadowing mode audio playback logic • Comprehensive localization updates for better multilingual support Bug Fixes: • Fixed missing error feedback when dictionary loading fails • Fixed guide anchor misalignment in multi-dictionary scenarios • Fixed incorrect localization key for variable descriptions

What's New: • Slow playback for original audio in shadowing practice — master tricky sentences at your own pace • Paginated word list with page navigation — browse even the largest dictionaries smoothly • AI-powered vocabulary extraction — tap to save unknown words while reading • Selectable text & follow-up questions in AI chat for a more flexible learning experience • Word example sentences — understand usage in real context • Free grammar analysis — check sentence structure anytime Improvements: • Brand-new course home page with a refreshed hero banner • Skeleton loading screens for word books — a smoother waiting experience • Major performance boost in vocabulary sync and word list scrolling • Reorganized video player controls for more intuitive operation • Enhanced TTS reading in the article reader • Upgraded AI provider integration for more reliable translation and conversation

What's New: • Unlock Stepfun AI — tap into powerful conversational and creative AI from a brand-new provider • Introducing Doubao (Volcengine) AI — broaden your AI toolkit with another premium option • Smart word relearning — mark multiple words as "don't know" and revisit them at your pace • Create custom dictionaries from scratch — your vocabulary, your rules • AI model management gets a visual refresh — swipe to manage providers in style Improvements: • AI models now feature smart "Recommended" tags with smarter ranking — find the perfect model faster • New user free quota badges make AI features accessible from day one • Auto-extract video titles on import — seamless content creation workflow • Flashcard recording matching refined for more accurate pronunciation practice • Streamlined AI provider setup — a cleaner, more intuitive configuration experience

What's New: • Immersive YouTube Learning — Turn any YouTube video into your personal lesson with listening practice, shadowing, and AI-powered explanations • Unlimited AI Tutoring — Course members enjoy endless AI conversations — practice speaking, ask about grammar, or learn new expressions anytime, like having a 24/7 language coach Enhanced Experience: • AI Chat Reimagined — Smoother conversations, smarter model selection, and a more delightful learning flow • Silky-Smooth Settings — Performance tweaks for buttery scrolling on iOS 17 • Better Translations — AI-powered translations that sound more natural and consistent • Thoughtful Thai & English Lessons — Refined teaching prompts for more natural conversation endings • Effortless Input — Smart auto-resizing text field that adapts to how you type

What's New: • Flashcard pronunciation recording: Record your pronunciation while studying words. The system automatically saves the best recording (highest score) for each word, with instant playback and re-recording support • Recording history: Browse your best recordings for each word. Play all sequentially, shuffle, or swipe-to-delete • Batch word playback: Read all words aloud from dictionary detail and daily word list views. Tap any word to start playback from that word • Lock screen & Control Center: Control word playback with play/pause/skip buttons on your lock screen, with app icon artwork Improvements: • Currently playing word auto-scrolls to center and highlights for clear visual focus • Refactored subtitle long-press interaction with unified word selection logic • Unified audio preloading and playback logic using native-speed cache for faster response • Improved cancel button style and added keyboard shortcut in subtitle import view Bug Fixes: • Fixed cancel button unresponsive in subtitle import sheet on Mac Catalyst • Fixed cursor flickering and positioning issues after saving subtitle edits • Improved tap interaction logic for sentences in video player

What's New: • Import subtitles directly from YouTube videos for richer learning content • Long-press subtitle sentences in video player to access system menu for easy word lookup • Adjustable pronunciation speed in vocabulary study for flexible shadowing practice • New flashcard recording feature for comprehensive shadowing practice • Flashcards now support flipping direction (front→back / back→front) • New clear button in fill-in-the-blank mode, making complex scripts like Thai and Arabic easier to input • Source language setting for translations, preventing unwanted system popups Improvements: • Refined subtitle long-press interaction for more consistent word selection • Shadowing scoring upgraded with Levenshtein distance algorithm for more accurate results • Word comparison view redesigned with auto-wrapping flow layout • Optimized flashcard study page UI with better control placement • Subtitle import UI polished with keyboard shortcut support • Unified audio preloading for more stable playback Bug Fixes: • Fixed export button allowing multiple taps • Fixed cursor jumping issue when editing Thai subtitles • Fixed trailing text loss when releasing recording in shadowing • Fixed incomplete shadowing recognition results • Fixed language detection failure during translation • Fixed residual word display issue in fill-in-the-blank mode • Fixed cancel button unresponsive on Mac Catalyst • Fixed cursor flickering after subtitle edit save

What's New: • Bidirectional flashcards Improvements: • Youtube auto subtitles • Added custom translation source support

What's New: Long-press sentence translation — Long-press any sentence in reading view to translate it instantly, making your reading flow uninterrupted Folder collapse in Word Book — Folders in the Word Book home screen can now be collapsed or expanded, with your preference saved automatically Improvements: Home screen refinements — Refined the welcome guide and "Continue Reading" button visibility for a cleaner, more accurate home experience Upgraded translation engine — Switched to backend direct translation for word definitions, removing the system translation popup for a smoother workflow Mac Catalyst support — Now runs on Mac, with API-based translation fallback to ensure reliability across devices Updated translation sources — Refreshed built-in translation sources with improved default configuration for more accurate results Word definition sync optimization — Smarter sync logic for word definitions, with automatic UI refresh after sync and real-time server sync on word deletion Bug Fixes: Fixed recent documents list not updating after saving files Fixed unnecessary view refreshes and infinite loading in the translation page Fixed multi-language TTS voice matching and language fallback logic Fixed timezone handling and data format conversion issues

What's New: • Multiple new features for word learning and grammar analysis • Word notebook folder management for better organization • Word definition sync and storage support • Unified TTS error handling with Thai transcription support • Subscription upgrade flow with friendly reminders Improvements: • Optimized audio transcription and TTS processing for better stability • Enhanced subtitle sync and interaction logic • Improved multilingual dictionary phonetic loading and sync • Refined share card UI design and layout • Fixed landscape drag ratio jitter on Mac Catalyst • Fixed photo album read/write issues on Mac Catalyst Bug Fixes: • Adjusted WhisperKit compression ratio thresholds for better accuracy • Fixed Excel parsing and skipped count tracking • Fixed soft-delete record handling in data sync • Hidden experimental transcription quality options on older iOS versions

What's New: • New large-v3 speech recognition model • Smarter YouTube subtitle extraction for faster imports • Add grammar analysis results to vocabulary book

What's New: • Grammar analysis now supports custom language selection for tailored parsing • Added a Sentence tab in dictionary search to switch between word and sentence lookup • New AI-powered word parsing feature for deep root and affix analysis • Real-time streaming transcription — see words appear as audio plays • High-precision transcription mode for video playback with quality toggle Improvements: • Overhauled model download and management with unified task scheduling • Improved word learning interactions and cloud sync reliability • Refactored transcription engine for better performance and maintainability • Fixed language list sorting and voice option positioning in the reading module • Fixed long-word answer preview overflow in fill-in-the-blank exercises • Fixed text layout and paragraph rendering issues in grammar analysis PDF export

What's New: • Grammar analysis now saves history — revisit previous analyses anytime • Word learning supports editing added words with custom definitions • Word learning includes an "edit mode" for flexible study plan adjustments Improvements: • Smoother media link import with clearer status and progress feedback • Fixed daily word plan loading issues where some words were missing • Improved book deletion confirmation to prevent accidental deletions • Fixed new words being incorrectly marked as mastered • Cleaned up non-study-day UI by hiding unnecessary batch-mark buttons • Fixed word lookup popup state lingering when switching words Bug Fixes: • Fixed Whisper framework configuration on Mac Catalyst • Fixed App Store upload script logic and extended timeout handling

What's New: • Experimental on-device transcription engine • Manual word addition with custom definitions • TTS playback failure prompt with improved voice matching Improvements: • Smarter sentence splitting, now adapted for unpunctuated languages with word-level timestamps • Revamped audio transcription pipeline with format conversion and intermediate file cleanup • Better transcription result segmentation and timestamp extraction • Redesigned word list layout, unified button styles and tap interactions • Refined flashcard spacing and trimmed redundant example sentence plumbing • Updated transcription quality hints and player description text • Mac Catalyst compatibility for on-device transcription and accuracy selector • General performance improvements, fixing animation jank and redraw issues Bug Fixes: • Fixed stale state when switching words in the lookup popover • Simplified duplicate word toast and example sentence handling

What's New: • One-tap and batch word graduation — quickly mark words as mastered • Daily word review with mastery tracking for better progress visibility • Online dictionary service with custom dictionary source support • Excel dictionary import support with streamlined import flow • Language filter for the dictionary market • Post-processing and parameter tuning for more accurate long audio transcription Improvements: • Study modes (flashcard, dictation, fill-blank) now auto-exclude graduated words • Redesigned word list and dictionary card layouts for a cleaner look • Optimized transcription parameters to reduce hallucinations on long audio Bug Fixes: • Fixed transcription failure caused by residual Metal resources after background interruption • Fixed conflict between auto-scroll and manual tap in video playback • Fixed broken links for various online dictionaries

What's New: • Transcription floating ball with real-time progress tracking • Shuffle study mode for daily word learning • Language favorites for quick subtitle language access Improvements: • Integrated engine for significantly improved transcription accuracy • Enhanced transcription parameters and audio conversion for better multilingual support • Improved subtitle editing experience for languages without word-level timestamps • Optimized word learning sync with real-time point-to-point synchronization

What's New: • Safari extension popup gets a fresh, modern redesign Improvements: • Fixed an issue where the speech recognition model was accidentally deleted

Improvements: • Redesigned text segmentation engine using Apple's NaturalLanguage framework for greater accuracy

Urgent Fix: • Fixed a critical issue where the Safari extension was missing from the App Store build — the "Read To Me" extension is back in Safari What's New: • Word learning data now syncs across your devices via iCloud, so your progress stays with you everywhere • New study progress dashboard and word list page to review your learning journey Improvements: • Learning plans now sync instantly per action instead of in batches, for more accurate and responsive updates • Reordered fill-in-the-blank keyboard buttons for a smoother typing experience • Dashboard titles now scale dynamically with font size settings • Smoother navigation between learned and mastered words • Study duration now calculated by actual time spent per word

Word memorization can now sync progress across multiple devices

Improvements: • Refined keyboard layout and button order in fill-in-the-blank exercises