Bugfix & Modernization Release

🐛 Bugfixes

• Fix Discogs authentication when using only consumer key/secret (OAuth optional)
• Suppress warnings if HWIOAuthBundle is not installed

🛠 Improvements

• All service classes are now final for better reliability and performance
• Added clear descriptions for configuration options
• Improved error messages for missing or invalid OAuth configuration
• Updated default user agent string

📚 Documentation

• README and UPGRADE guides rewritten with modern examples and clearer instructions
• Configuration documentation now easier to understand

⚠️ Breaking Changes

• PHP 8.1+ required (previously 7.3+)
• Symfony 6.4+ or 7.x required (previously 5.x+)
• Support for older PHP and Symfony versions has been dropped

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Upgrade is easy:
Update your PHP and Symfony versions, run composer update, and you’re ready to go!

For more details, see UPGRADE.md.