2.1.0

Matching Socket.IO 2.1.0 release notes

Features

• add a 'binary' flag (#1194)

// by default, the object is recursively scanned to check whether it contains some binary data
// in the following example, the check is skipped in order to improve performance
socket.binary(false).emit('plain-object', object);

Links:

• Milestone: 2.1.0
• Diff: 2.0.4...2.1.0
• Server release: 2.1.0
• Diff engine.io-client from ~3.1.0 to ~3.2.0: socketio/engine.io-client@3.1.0...3.2.0
• Diff ws from ~2.3.1 to ~3.3.1: websockets/ws@2.3.1...3.3.1
• Build size
  • socket.io.js:
    • min: 60.9 KB
    • min+gzip: 19.6 KB
  • socket.io.slim.js:
    • min: 51.8 KB
    • min+gzip: 16.3 KB
• CDN
  • https://cdnjs.cloudflare.com/ajax/libs/socket.io/2.1.0/socket.io.slim.js
  • https://cdn.socket.io/socket.io-2.1.0.slim.js