• PHP 7.2 compatibility
• Symfony 4 compatibility
• Fix the Swagger UI documentation for specific routes (the API request wasn't executed automatically anymore)
• Add a missing cache tag on empty collections
• Fix a missing service when no Varnish URL is defined
• Fix the whitelist comparison in the property filer
• Fix some bugs regarding subresources in the Swagger and Hydra normalizers
• Make route requirements configurable
• Make possible to configure the Swagger context for properties
• Better exception messages when there is a content negotiation error
• Use the PriorityTaggedServiceTrait provided by Symfony instead of a custom implementation
• Test upstream libs deprecations
• Various quality fixes and tests cleanup