Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[2.0.0] - 2026-01-21

Added

• 🔒 Trust Score System - New 10-item privacy evaluation methodology

  • No-Log Policy verification (15 points)
  • Third-Party Audit tracking (15 points)
  • Transparency Report monitoring (10 points)
  • Jurisdiction assessment (10 points)
  • Data Retention evaluation (10 points)
  • Legal Response history (5 points)
  • Open Source status (10 points)
  • RAM-Only Server verification (10 points)
  • Incident Response tracking (10 points)
  • Operating Years consideration (5 points)

• 📊 Engine 8: Quarterly Market Report

  • Automated report generation every quarter
  • Executive summary with key findings
  • Speed, price, reliability, and trust statistics
  • PDF export via Google Docs
  • Future market forecasts

• 🐦 Enhanced Twitter Integration

  • Trust Score update tweets (monthly)
  • Ranking change detection and alerts
  • Duplicate post prevention (5-minute window)
  • Combined speed + trust posting schedule

• 📰 Improved News Monitoring

  • Stricter media source filtering
  • Trusted media whitelist (50+ sources)
  • Enterprise VPN content exclusion
  • Irrelevant content filtering

• 📧 MailPoet Weekly Digest

  • Automated newsletter content generation
  • Top 5 weekly news aggregation
  • Speed ranking summary
  • Price change highlights

Changed

• Overall Ranking Algorithm

  • Previous: Speed 40%, Price 30%, Reliability 30%
  • New: Speed 30%, Price 25%, Reliability 15%, Trust 30%

• Price Scraping

  • Added JPY conversion for USD/EUR prices
  • Improved long-term plan monthly calculation
  • Enhanced fallback price handling

• Outage Detection

  • Added relative comparison with market median
  • Consecutive anomaly confirmation (2x required)
  • Historical average comparison

Fixed

• ExpressVPN price extraction (long-term plan calculation)
• NordVPN/Surfshark JPY display issues
• News filter false positives for enterprise VPN content

Documentation

• Added Trust Score Methodology guide
• Updated API documentation
• System architecture diagram
• Engine component descriptions

[1.5.0] - 2025-12-20

Added

• VPN Diagnosis Tool (client-side leak detection)
• DNS leak detection
• WebRTC leak detection
• IPv6 leak detection
• IP history comparison

Changed

• Improved stability score calculation
• Enhanced speed measurement accuracy

[1.4.0] - 2025-12-15

Added

• Price change alert system (5%+ threshold)
• Twitter auto-posting for price drops
• Manual override prices for difficult sites

Changed

• ScraperAPI integration improvements
• Rate limiting protection

[1.3.0] - 2025-12-10

Added

• Advanced outage detection (Engine 2b)
• Statistical anomaly detection
• Consecutive failure confirmation
• Historical average comparison

[1.2.0] - 2025-12-05

Added

• News monitoring (Engine 2b+)
• Google News RSS integration
• Trusted media filtering
• Auto Twitter posting for news

[1.1.0] - 2025-12-01

Added

• Price scraping system (Engine 2a)
• Support for 15 VPN pricing pages
• Currency conversion (USD, EUR, GBP → JPY)
• Daily price tracking

[1.0.0] - 2025-11-25

Added

• Initial release
• VPN speed measurement (Engine 1)
• 15 VPN services monitoring
• 6-hour measurement interval
• Stability score calculation
• Web API endpoint
• Speed ranking Twitter bot

Infrastructure

• Google Apps Script backend
• Google Spreadsheet storage
• $0/month operation cost

[0.1.0] - 2025-11-20

Added

• Proof of concept
• Basic speed measurement
• Single VPN testing

Versioning Notes

• Major (X.0.0): Breaking changes, new major features
• Minor (0.X.0): New features, backward compatible
• Patch (0.0.X): Bug fixes, minor improvements

Roadmap

v2.1.0 (Planned)

• Multi-region testing (US, EU, Asia)
• Historical trend charts
• API rate limiting
• User preference storage

v2.2.0 (Planned)

• Browser extension
• Real-time WebSocket updates
• Custom alert thresholds

v3.0.0 (Future)

• Machine learning anomaly detection
• Predictive maintenance alerts
• Community contributed measurements