From what we've gathered, Desync seems to shoot up when the chat starts getting laggy. As far as we're aware it is not to do with server load because it was working fine when we spawned 100+ AI in before the patch and afterwards, it's still choppy. We also tried it under various numbers of players (5 - 20) and the results of people who had lagged VoN were inconsistent.

Just a quick note for the future: If steam thinks your game is still running, do CTRL+ALT+DELETE and run Task Manager, and check if arma.exe is running in the Processes tab. If it is, right-click it and click End Process. If it's not there, then steam shouldnt really think its running. Hope that helps.

I've managed to limit their view distance by lowering the maximum view distance on the server, however they can still flick 360 degrees to kill me and my team.