All U.S. servers came down at 7am PDT today for an estimated one hour update. The U.K. worlds will come down on June 2nd at 5am London Time for an estimated two hour update. Here are the patch notes from Station Launcher:

GENERAL

• Fixed a zone crash related to using certain spells without a target.
• Fixed a crash issue related to Battlegrounds.
• Fixed a zone crash which could occur on The Bazaar and Vox.

BATTLEGROUNDS

• You should no longer see your own chat in third person.
• Fixed an issue where matches would display large wait times.