GGG have previously shared information on the Passive Skill Trees and several game balance changes. Be sure to catch up on those ahead of the expansion if you’re looking forward to diving in. The patch notes published are expectedly extensive.
The lengthy Table of Contents indicates the patch touches on virtually everything including The Ritual Challenge League, Major New Content and Features, Minor New Content and Features, Heist Changes, Harvest Changes, Character Balance, Skill Balance, Specific Skills, Vaal Skill Balance, Support Gem, Balance, Passive Tree Balance, Ascendancy Balance, Ascendancy Reworks, Other Ascendancies, Item Balance, Cluster Jewel Balance, Unique Item Balance, Monster Changes, Atlas and Map Changes, Zana League Mods Available During 3.13.0, User Interface Improvements, Quest Rewards, PvP Changes, and finally, Bug Fixes.
Yeah, that’s a lot, and certainly too much to dissect each patch note here. If you’re interested, be sure to brew a cup of coffee, sit in a comfortable chair, and take a gander at the full patch notes here.