socketio/engine.io 5.1.0

on GitHub

Features

• add a "connection_error" event (7096e98)
• add the "initial_headers" and "headers" events (2527543)

Performance Improvements

• websocket: add a "wsPreEncoded" writing option (7706b12)
• websocket: fix write back-pressure (#618) (ad5306a)

Links

• Diff: 5.0.0...5.1.0
• Client release: 5.1.0
• ws version: ~7.4.2