Specifically, the team has been working to resolve issues plaguing the server since launch, primarily resulting in degraded performance. To that end, they team has announced they are reducing server capacity,
“Since launch we have been working on solving the issues with server performance that has affected game play for many of you. In the interim we have reduced the server capacity slightly as a short term fix. Disconnects while zoning have been greatly reduced, and some of the sources of crashes while zoning will be addressed in the upcoming June update.”
They continue, noting that during this reduced capacity, players should expect to see an increase in queue times. The team thanks the community for their patience as they continue to address the issue.