A bit late posting the patch notes, but we've recently released a couple updates that vastly improve the quality of online play. Check out the details:

• Sync between players is much better
• Way more accurate position tracking and scoreboard
• Close to eliminated crashes while spectating
• Retired or disconnected players show properly on the scoreboard
• AFK players are kicked after 3 minutes of inactivity

Online races should be more intense and rewarding now that these things are fixed ;)