My top 4 new features / changes in Revit 2015:

  1. Sketchy Lines!
  2. IFC Link
  3. Revision cloud arc length (ie. "Revision Improvements")
  4. "Username has been updated to match Autodesk 360"

Official page for Revit 2015 new features:
New Architectural Design Features | Revit Family | Autodesk

Steve's post:
Revit OpEd: New Feature List for Revit 2015

Sean's post:
What’s new in Revit 2015 | Paradigm Shift

Suite changes and updates:
Autodesk Unveils 2015 Suites for Building and Civil Infrastructure Industries
including a few downloads like
Download Building Design Suite 2015 backgrounder
Download Building Design Suite 2015 backgrounder
Download Building Design Suite 2015 backgrounder
Download Building Design Suite 2015 backgrounder
http://inthefold.autodesk.com/files/...ckgrounder.pdf

Lot's of new features pages for different Autodesk 2015 products at:
Cadline Insider Blog - Cadline Community

AutoCAD 2015:
AutoCAD 2015 in two minutes | CAD Panacea

Inventor 2015:
Autodesk Inventor 2015 Released – Whats New? T-Splines? | Design & Motion


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