Here are some of the biggest updates and changes you need to look out for in Codex: Death Guard.
Death Guard, Warhammer 40k Wiki
Death Guard, PDF, Violence
40k2ndACIII Month 6 – The Final Slice – Cowabunga Journal
Mengel Miniatures: REVIEW: Codex Death Guard
For Whom The Bell Tolls – Part 2
Warhammer 40K: Five Changes A New Imperial Guard Codex Need - Bell
Plague Marine - Warhammer 40k - Lexicanum
Dark Imperium — a closer look at the Death Guard models
New Chaos Daemons Be'lakor Army & Points 40k Codex Rules
Death Guard