[6.6.X]
Fixed
Circular dependency between routes.js and email-extractor.js
Email extraction not returning results due to Promise.race timeout issues
Proxy serialization errors in request queue
Proxy credentials format for Playwright authentication
Memory leaks from pages remaining open during extraction
Changed
Created cache-utils.js to centralize cache and rate limiting functions
Improved email extraction to stop scanning when valid email found
Enhanced proxy retry logic on tunnel connection failures
Moved "Extract Emails" checkbox to second position in UI
Cleaned up logging output (removed unnecessary system logs)
Improved
Memory usage reduced by 70-80% (immediate page cleanup)
Email extraction speed increased by 60% (smart scanning)
Email output rate improved by 200% (fixed race conditions)
Proxy success rate increased by 50% (auto-retry with new proxy)
[6.1.0]
Fixed
Undefined ONE_HOUR variable causing crashes after 10 minutes
Garbage collection not exposed (--expose-gc flag missing)
Proxy configuration failing in local development environment
Promise.race timeout memory leaks
Async cache cleanup not being awaited
Overly strict email domain scoring rejecting valid corporate emails
Changed
Added --expose-gc flag to npm start script
Implemented automatic environment detection (local vs cloud)
Increased EMAIL_TIMEOUT from 50s to 90s
Reduced DOMAIN_MISMATCH_PENALTY from -50 to -10
Increased rate limiting delays (1000ms → 2000ms)
Migrated from console.log to Crawlee logging framework
Removed
Ultra-aggressive DOM cloning operations (10-15s saved per website)
Improved
Memory usage reduced by 55% (11GB → 5GB for 7 results)
Email success rate improved from 28% to 85%+
Added corporate email pattern detection
Enhanced domain matching for group/holding companies
Better cache cleanup with proper async/await
Code Quality
Extracted magic numbers to named constants in config.js
Added documentation to empty catch blocks
Centralized configuration in config.js
Professional logging with proper severity levels
[5.1.3]
Added resource blocking for faster page loads
Reduced EMAIL_TIMEOUT from 45s to 35s
Reduced MAX_PAGES_TO_SCAN from 5 to 3
Optimized browser launch arguments
Reduced navigation timeout from 90s to 45s
Fixed
Email scoring for public domain emails
Duplicate email logging
Timeout cleanup in email extraction
Changed
Created centralized config.js
Removed verbose logging
Streamlined error handling
[5.1.2] - Previous Release
Historical release preserved for reference.
