Bug Fixes

• typings: allow async listener in typed events (ccfd8ca)

Features

• ignore the query string when serving client JavaScript (#4024) (24fee27)

Links:

• Diff: https://github.com/socketio/socket.io/compare/4.1.3...4.2.0
• Client release: 4.2.0
• engine.io version: ~5.2.0
• ws version: ~7.4.2