- “Global-State-Free” Applications
- Akka HTTP Server Backend
- HTTP/2 support (experimental)
- Request attributes
- Route modifier tags
- Injectable Twirl Templates
- Filters Enhancements
- JWT Cookies
- Logging Marker API
- Configuration improvements
- Security Logging
- Configuring a Custom Logging Framework in Java
- Java Compile Time Components
- Improved Form Handling I18N support
- Future Timeout and Delayed Support
- CustomExecutionContext and Thread Pool Sizing
- Updated Templates with Preconfigured CustomExecutionContexts
- Play WSClient Improvements
- Play JSON improvements
- Testing Improvements
- File Upload Improvements
バックエンドサーバ−のデフォルトがakka httpになった
https://playframework.com/documentation/2.6.x/Highlights26 https://playframework.com/documentation/2.6.x/Migration26
