Yes socket.io announces to all clients, it does this by using redis pubsub. So if you have more than one nodebb instance it is advised to setup redis.
I'm also noticing that Nodebb is much slower, especially when starting and within the ACP.
And I noticed that sometimes when the forum stays a long time without anyone accessing, when I access through the link/browser, it displays the page with the error 503 - Excessive Load Warning. Idk why...
This could be some problem with my Ubuntu server (although I have already restarted it and updated it), could be some outdated plugins no longer compatible with NodeBB latest version too or even perfomance problems with NodeBB itself.
I don't really know. It's still very functional anyways
It looks like is a configuration problem. When I load the page, there is this network error:
socket.io.js:8 WebSocket connection to 'wss://example.com/socket.io/?EIO=3&transport=websocket&sid=zV8kYkx-87ULGIjGAAAF' failed: Error in connection establishment: net::ERR_SSL_PROTOCOL_ERROR
On Chrome's inspector window it says it was canceled.
But then it works normal.
So all I need is to bypass the first error... or even better, fix it.