Update at 8:45 p.m. PST:
We have resolved or minimized the initial issues that players were experiencing and many people are now leveling in the Dragon Isles. We are actively monitoring the realms while we continue to work on some issues like latency while looting.
Update at 6:43 p.m. PST:
We are continuing to investigate the issues affecting certain realms and may be doing some realm restarts in the process. Thank you for your patience.
We are aware of an issue that is affecting our authentication servers, which may result in slow or failed login attempts. We are currently investigating the cause and will provide updates as they are available.