The items with the following keys (errorHandler, errorHandlerClass, notFoundHandler, notFoundHandlerClass, notAllowedHandler & notAllowedHandlerClass) in the dependencies file for version 3 are no longer present in version 4 and their previous functionality can easily be implemented in \SlimSkeletonMvcApp\AppErrorHandler->__invoke(...)
The items with the following keys (errorHandler, errorHandlerClass, notFoundHandler, notFoundHandlerClass, notAllowedHandler & notAllowedHandlerClass) in the dependencies file for version 3 are no longer present in version 4 and their previous functionality can easily be implemented in \SlimSkeletonMvcApp\AppErrorHandler->__invoke(...)
The determineRouteBeforeAppMiddleware & outputBuffering settings that used to be in the app-settings.php file in version 3 are no longer present in version 4. See https://www.slimframework.com/docs/v4/middleware/routing.html & https://www.slimframework.com/docs/v4/middleware/output-buffering.html