Diablo 3 patch 2.3.0 has been on the PTS for a couple of weeks now, but for those not keeping up with matters, Blizzard as released an update on the contents.
A new post on Battle.net discusses the latest content coming with the update, such as new loot, new sets armor, reworked sets, and new and updated legendary items. The later will apply to both the core game and upcoming Season 4.
The video above gives you a highlight of the new and revised class sets coming for the Crusader, Monk, Witch Doctor, and Wizard.
A release date for the Diablo 3 update hasn't been announced, but it is listed as "coming soon" to PC, PlayStation 4 and Xbox One.