Update 22.5 made several improvements and adjustments to the Warden and its trait trees. This looks to be an across-the-board buff to the class, with tweaks to its Blue and Red lines and the permission for different Warden DoTs to stack.
The patch also fixed a few visual issues, “restored some missing water in The Marish,” and brought back chat restrictions for global channels to combat “malicious issues and spam.”
YouTuber Andang posted a new video that shows the changes to game maps with Update 23:
Source: Patch notes