3.0.0-rc3

Features

• add support for catch-all listeners (5c73733)
• make Socket#join() and Socket#leave() synchronous (129c641)
• remove prod dependency to socket.io-client (7603da7)

BREAKING CHANGES

• the Socket#use() method is removed (see 5c73733)

• Socket#join() and Socket#leave() do not accept a callback argument anymore.

Before:

socket.join("room1", () => {
 io.to("room1").emit("hello");
});

After:

socket.join("room1");
io.to("room1").emit("hello");
// or await socket.join("room1"); for custom adapters

Links:

• Milestone: 3.0.0
• Diff: 3.0.0-rc2...3.0.0-rc3
• Client release: 3.0.0-rc3
• engine.io version: ~4.0.0
• ws version: ^7.1.2