New info on TLOU 2 from a panel they just had:

-New traversal and prone move-sets.
-Combat has increased emphasis on tension, interactivity and realism.
-Enemy AI references each other by name, and constantly communicates with each other.
-Two different timelines explored in TLOU2.
-New dodge/evade mechanic is a core part of combat and melee.
-You now have a jump button.
-Far more creative and emergent moments in combat thanks to big increase in breadth of options.
-Improved stealth mechanics, including crawl, prone, squeezing into tighter gaps, underneath vehicles etc.
-Expanded infected enemies and whole new classes.
-You're not automatically fully hidden in grass. Extent of your visibility depends on height & density of foliage.
-Much more verticality in combat scenarios now. She needs more routes and ways to engage.
-Survival aspects are still a focus.
-Different ammo types (eg explosive arrows) now. Each ammo type fulfills a particular strategy niche.
-Animation system is completely overhauled so everything is even more realistic and transitions are seamless.
-Wide linear combat environments are being expanded to be even larger and broader.
-AI system massively improved for added realism.
-No more auto AI telepathic awareness of you once spotted. They whistle to and actually communicate with each other.
-Referred to as systemic check-ins of AI information. They pass information to each other more realistically to let new groups and enemies know of the unfolding situation or of your position.
-Enemy awareness and ability to seek player out improved.
-You can now craft different ammo and arrow types.
-The Church scene is set 4 years after the events of TLOU in Jackson, the gameplay demo is set 5 years after.
-Seraphite(sp?) is a religious cultish group, but they will not be black and white. Motivations explored.
-They use more advanced facial camera capture and mo-cap now, more advanced than they had with Uncharted 4.
-Lots of new facial animation tech. More nuances of the face, creases, folds, build up of skin etc.
-Eyeball tech also re-worked, now includes internal refractions, reflections and so on.
-Joel is somewhere out there in Jackson....