Ably has released its Flutter plugin v1.0, making it easier for developers to add WebSocket-based pub/sub messaging to their Flutter applications. The Ably Flutter plugin is a wrapper around the fully-featured Cocoa and Java client library SDKs, providing iOS and Android support for those using Flutter and Dart. The plugin supports major Ably functionality such as Pub/Sub messaging, with features like Presence and Message History soon to come. Developers can follow an in-depth tutorial on building a realtime cryptocurrency app with Flutter using the Ably Flutter plugin.