@MojangSupport
I've found a bug in 1.17 realms servers. Chunks no longer stay loaded in the local cache, even when the client-side render distance is set to 64 chunks. Client render distance is capped to the server's distance, causing constant lag spikes as I move around my base
If you think you've found a bug, please visit https://bugs.mojang.com/secure/Dashboard.jspa … and report it so that the developers can see.