• Deprecated the Groups feature.
• Marked all controllers final.
• Marked internal classes as such.
• Added Mongolian translation.
• Added an email provider.
• Added a custom user checker.
• Added PHP 7.4 and PHP 8.0 support.
• Removed fieldName attribute in MongoDB mapping.
• Registration confirmation now redirects to login page if token is invalid.
• User model will not rely on AdvancedUserInterface anymore.
• Self-salting password encoders will not create a salt anymore.
• FlashListener constructor now accepts SessionInterface.
• Fixed several Symfony deprecation notices.
• Fixed several translations.
• Bumped the min PHP version to 7.1.3.
• Bumped the min Symfony version to 4.4.
• Added compatibility with Twig 3.
• Added compatibility with doctrine/persistence 2.