Added some more known isues

https://lemmy.world/post/424323

Added some more known isues - Lemmy.world

I added some known issues with websockets / spinning wheel to the known issues post [https://lemmy.world/post/15786]

I don't know if it's a problem on my end but today I've got the following error several times while reloading pages:

404: FetchError: invalid json response body at http://lemmy:8536/api/v3/site

I have to quit the browser and wait a few minutes before I can connect again. Never happened before.

I don’t know if it’s a problem on my end

These are internal failures with lemmy-ui talking to lemmy_server and not understanding it got an error message or timeout back. Not on your end. Every busy Lemmy instance I've been testing on has these problems right now.