UPGRADE FROM 0.2.x to 0.3

watermill/message

• message.Message.Ack and message.Message.Nack now return bool instead of error
• message.Subscriber.Subscribe now accepts context.Context as the first argument
• message.Subscriber.Subscribe now returns <-chan *Message instead of chan *Message
• message.Router.AddHandler and message.Router.AddNoPublisherHandler now panic, instead of returning error

watermill/message/infrastructure

• updated all Pub/Subs to new message.Subscriber interface
• gochannel.NewGoChannel now accepts gochannel.Config, instead of positional parameters
• http.NewSubscriber now accepts http.SubscriberConfig, instead of positional parameters

watermill/message/router/middleware

• metrics.NewMetrics is removed, please use the metrics component instead

watermill

• watermill.LoggerAdapter interface now requires a With(fields LogFields) LoggerAdapter method