Next balance patch?
When it’s ready
You will find the Dev response to that question over in the PvP sub-forum, I believe (or check the Dev Tracker).
Good luck.
Edit: Looked it up for you: https://forum-en.gw2archive.eu/forum/game/pvp/NO-Balance-Patch-What-s-going-on/first#post6353008
(edited by Inculpatus cedo.9234)