Unity 6.6 just released today! Here is a rundown of the features that stood out most to me. I also dig a bit deeper into what you need to know.
Resources:
1. https://discussions.unity.com/t/unity-6-6-is-now-available/1735357
Chapters:
00:00 - Intro
00:10 - Serialized Dictionaries
00:25 - UI Toolkit Improvements
00:51 - New Hierarchy Window
01:13 - Play Mode Default Change
01:39 - Project Auditor Updates
02:04 - Content Directory System
02:37 - Build Analysis Window
03:15 - UI Component Improvements
03:46 - Unity Compute Lite Baker
04:05 - Wrap Up