v2.4.7

Bug Fixes

• fixes(Polling): The client may be closed in high concurrency (actually it will not) #24 (80ffbd0)

Destructive update

• no yet

Features

• refactor(transports): Update transport handling to use builder pattern and improve upgrade logic
• refactor(transports): Simplify request handling and improve message processing in polling and websocket transports

Links:

• Diff: v2.4.5...v2.4.7
• engine.io for nodejs: engine.io@6.6.1 (mark it)