What's New
Follow LinguMark's progress, new features, and updates here.
v1.52.0 - Real-Time Karaoke Subtitles & Full-Sentence TimedText Engine
August 2026- ✦ 🎤 Live Karaoke Word Highlighting: The entire sentence appears at once, and the active word illuminates dynamically in real-time as the speaker pronounces it.
- ✦ ⚡ High-Speed TimedText JSON3 Engine: Directly indexes millisecond-precise subtitle tracks to eliminate layout shaking, rolling chunks, and subtitle flicker.
- ✦ 💡 Zero-Lag Complete Translation: Dual translations display instantly with full sentence context rather than trailing behind word-by-word.
- ✦ 🛡️ Resilient Fallback: Automatically switches to live DOM adaptation when viewing videos without available timed-text tracks.
v1.51.0 - Ultra-Fast Subtitle Translation Pipeline & Streaming Performance
August 2026- ✦ ⚡ Zero-Lag Streaming Translation Pipeline: Integrated smart request sequence tracking and debouncing to eliminate asynchronous race conditions and keep translation in exact sync with fast speakers.
- ✦ 🚀 Persistent Subtitle DOM Architecture: Recycled virtual overlay containers to eliminate layout thrashing, flickering, and premature DOM re-renders during live caption mutations.
- ✦ 👁️ Smart Blur & Peek Mode: Keep translations softly blurred by default to develop active listening instincts; hover or click to reveal crystal clear text.
- ✦ ⚙️ Adaptive In-Player Quick Settings: Seamless in-video customization for size, backdrop, position, and colors with intelligent dynamic viewport containment.
v1.49.9 - Pro Admin Telemetry & Real-Time Analytics Dashboard
August 2026- ✦ 📊 Real-time Feature Telemetry: Added privacy-first metric counters for Web Röntgen scans, Subtitle lookups, Word additions, Pronunciations, Image searches, and Collocations.
- ✦ 🛡️ Admin Dashboard (admin.html): Introduced a clean, light-themed admin control center directly linked to api.lingumark.net for tracking active devices, user stats, and detailed analytics breakdown.
- ✦ ⚡ High-Speed Custom Domain: Attached dedicated custom domain api.lingumark.net to Cloudflare Worker serverless backend.
v1.47.0 - PostHog Session Analytics & Geometric Branding
August 2026- ✦ 🎨 Geometric Visual Identity: Refreshed extension icons and store artwork with a clean geometric 'L' bookmark emblem.
- ✦ 🔒 Privacy-Safe Analytics: Integrated GDPR-compliant PostHog telemetry and session insights strictly adhering to Chrome MV3 CSP standards.
v1.43.0 - Zero-Cost AI Tutor & Deep Grammar Context Engine
August 2026- ✦ 🤖 AI-Powered Language Tutor: In-depth breakdown of word nuance, CEFR difficulty tags, grammatical tone, synonyms, antonyms, and collocations.
- ✦ 📖 3-Part Practical Usage Cards: Contextual sentence-translation-function breakdowns with native speaker pro-tips.
- ✦ 🖱️ Instant Web Right-Click: Right-click any selected word on the web to trigger instant AI analysis without duplicate tabs.
v1.33.4 - Live Waveform & Advanced Pronunciation
July 2026- ✦ 🌊 Real-time Canvas Waveform: Added Siri-style dynamic audio visualizer that glows and bounces in sync with your mic volume.
- ✦ 💡 In-place Dashboard Translation: Right-click any word/sentence in the speaking target card to view its full translation, and left-click it to toggle back and forth.
- ✦ 🧩 Polished Empty Warnings: Upgraded insufficient word count notifications across games with the clean, lock-themed warning layout.
v1.31.3 - Interactive Pronunciation Practice (Speech Recognition)
July 2026- ✦ 🎙️ Interactive Pronunciation: Practice speaking saved words and example sentences using your browser's native speech recognition API.
- ✦ 🌈 Smart Word-by-Word Analysis: Real-time accuracy scoring highlights correct words in green and mispronounced ones in red.
- ✦ 📈 CEFR Level Sentence Database: Added 120 calibrated practice sentences across levels A1-C2 for English, Spanish, French, and German.
- ✦ ⏳ Optimized 1.2s Silence Delay: Smart speech detection handles natural pauses in longer sentences without early cutoff.
v1.20.2 - Universal Subtitle Translator
July 2026- ✦ 🎬 Universal Subtitle Support: Transform video captions on YouTube, Udemy, Coursera, and TED Talks into interactive words with click-to-pause lookup support.
- ✦ ⚡ 60 FPS Performance: Optimized DOM tokenization using requestAnimationFrame and DocumentFragment rendering off-screen.
- ✦ 📦 Safe Tooltip Architecture: Isolated overlay tooltip root outside subtitle DOM limits to avoid styling breaks on player controls.
v1.19.1 - National Libraries
June 2026- ✦ 🚀 National Libraries: Added dynamic national language libraries for Spanish (Cervantes), French (Académie), German (Duden), and Italian (Crusca).
- ✦ 🌍 Multilingual FastPath: The level path can now be dynamically played for all active target languages.
- ✦ ⚙️ CSP Security Fixes: Audio playback and background processes were migrated to async to fully comply with Chrome Manifest V3.
- ✦ 🛠️ Bug Fixes: Resolved native English translation fallback issue showing Turkish meanings.
v1.18.1 - Enhanced FastPath UX Design
June 2026- ✦ 🎨 Premium Layout: Compacted FastPath view into a zero-scroll format with backdrop blur effects and dark gradients.
- ✦ 🛠️ Overlap Fixes: Fixed close button overlap and added backdrop click dismissal.
v1.14.0 - Safe & Clean Codebase
May 2026- ✦ 🔒 Deprecation: Completely removed legacy PDF reader module for better performance and MV3 compliance.
v1.8.0 - MV3 Standards Compliance
April 2026- ✦ 🛡️ Service Workers: Rebuilt extension utilizing Manifest V3 background service workers and strict security policies.
v1.0.0 - Birth of LinguMark
March 2026- ✦ 🌱 First Release: Initial launch of LinguMark featuring Smart Web Scanner, Oxford definitions, TTS audio wave, Collocations, Streaks, and SM-2 Algorithm.