Socket.io v3.2.0

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Socket.io v3.2.0 Release Notes

• There are two non-breaking changes that are somehow quite important:

  • ⏪ ws was reverted as the default wsEngine (https://github.com/socketio/engine.io/pull/550), as there was several blocking issues with uws. You can still use uws by running npm install uws --save in your project and using the wsEngine option:

    var engine = require('engine.io');
    var server = engine.listen(3000, {
    wsEngine: 'uws'
    });
    

  • 0️⃣ pingTimeout now defaults to 5 seconds (instead of 60 seconds): https://github.com/socketio/engine.io/pull/551

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