https://www.guildwars2.com/en/the-game/releases/june-25-2013/
Is the summary of next weeks update and includes a fairly major statement anoud 2/3 of the wya down.
"We’re introducing our largest balance patch ever in this build, which includes significant updates to traits and skills to introduce more viable build diversity. Every single profession trait line is seeing changes and we’ve also made updates to some less popular skills to improve their effectivenes."
The link below has more details, but this sounds pretty big.
https://www.guildwars2.com/en/news/upcoming-skill-and-trait-changes/