Release v1.2.1:
What's New:
- Cross-Device License Resilience: Added dual synchronization (chrome.storage.local + chrome.storage.sync) to safeguard Pro activations across browser profile resets and reinstalls.
- Smart Device Slot Deduplication: Re-validates existing device instances before requesting new activation slots, preventing duplicate slot consumption.
- Limit Auto-Recovery & Clear Error Codes: Automatically re-binds to active device licenses when activation limits are encountered, and provides clear, standardized [ERR_*] error codes.

Release v1.2.0:
What's New:
• Distinctive Visual Identity: Refreshed extension iconography with an AI Sunset gradient (Indigo to Amber Gold) and a subtle center sparkle accent, creating a unique visual identity and ensuring full compliance with store trademark guidelines.
• Refreshed UI & Store Visuals: Re-rendered all in-app vector icons, popup branding, store screenshots, and promotional banners for crisp rendering across all display scales.
• Ingestion & Extraction Engine: Enhanced Readability and Turndown pipelines for cleaner Markdown extraction from dynamic web articles and YouTube video transcripts.
• Production Optimization & Hygiene: Zero-leakage distribution packaging, strict compile-time import boundaries, and updated runtime bundles with 100% test coverage.

Release v1.1.0:
What's New:
- Robust YouTube Transcript Parsing: Implemented recursive bracket-balancing JSON parser for YouTube player caption tracks, eliminating parsing errors caused by complex caption object structures.
- Multi-lingual DOM Transcript Automation: Added intelligent detection and automation for YouTube's native transcript panel with full multi-language support (English, Vietnamese, etc.) and automatic description fallback with timestamps and chapters.
- High-Reliability Video Ingestion: Handles YouTube poToken mitigations gracefully by automatically switching from direct fetch to interactive transcript extraction.
- Content Sanitization & Logging: Resolved namespace log tagging and optimized markdown source generation for Claude Project Knowledge.