ably 1.2.40

v1.2.40

on Node.js NPM

This release adds a new experimental channels.getDerived method which allows you to create custom realtime data feeds by selectively subscribing to receive only part of the data from the channel. See the announcement post for more information.

• add experimental API to get derived channel #1306
• make Message.connectionId optional #1305
• fix misleading stack traces for early-intialised connection errors #1206
• remove ProtocolMessage.connectionKey #1218
• fix broken promisification of Presence.history signature #1224
• fix issue with query string encoding in react-native websockets #1286
• fix nodejs encryption of ArrayBuffer plaintext #1280