Lots of reorganization here! Of the 77 tech advances, 49 have at least one change each to their direct prerequisites. (Transcendent Thought is one of the other 28.)
Everything leads to something of the next level, with the possible exception of Transcendent Thought.
Applications are more evenly spread, making it less worthwhile to beeline to something way ahead.
Four tech advances (Centauri Ecology, Ethical Calculus, Polymorphic Software, and Planetary Economics) are each one tech level higher than before.
By contrast, 37 of the tech advances are each at least one level lower. Transcendent Thought itself is now level 12.
The priority levels of the tech advances have been reworked, based partially on who would seek out which applications. Now, 42 of those techs are a different color.
Also, here's a little mini-chart of the tech tree layout.
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