http://www.gameinformer.com/b/features/archive/2015/08/12/new-details-revealed-in-our-exclusive-destiny-the-taken-king-hands-on-impressions.aspx
New article detailing their experience with the game when they got to play it at Bungie.
*Edit Here is most of the new things I picked out from a first pass, it is by no means, everything and you should read the article to get everything out of it.
· New green Weapons were stronger than Year 1 raid gear
· End of mission to get new subclass will give you your super at a increased rate to try it out
· Actual story telling!
· No sparrow in Dreadnaught feels okay, compact action
· Part of an Exotic weapon Quest bounty is collecting 50 pieces throughout the Dreadnaught
· You will fight other races, as well as the taken, on this ship
· If I understand correctly you can sacrifice weapons to add upgrade experience to a weapon of the same type. Kind of unclear.
· Wider range of gear, looks to allow you to have more choices with appearance
· As previously discussed light is just a measure of your power and activities have recommended light levels
· Ghosts add stats and light now
· Sample Ghost perks, Showed nearby materials, I.e. Spinmetal, And one increased Glimmer from hive
· Can now decide which weapon, Primary, Special, Heavy, is shown in public spaces
· Will be able to trade in old class specific armor mats for the new general one
· You now can buy a item from XUR that boosts exotic drop rate from the next boss you fight!
· Strikes now focus more on replay-ability, switching up the enemy compositions and even races strike to strike
· AFKers now will be teleported up with he rest of the strike team, like POE is currently
· Now 3 strike playlists
· Vanguard Legacy is all the strikes from year one
· Vanguard Ursa is random heroic strikes that will award Legendary marks and engrams
· Vanguard Marmoset Is only TTK strikes
· Will be hand crafting Nightfall strike modifiers
· Lots of crucible stuff, mostly already covered, Crucible bounties are now "better"
· New bounties Class, Fireteam, TOO, Featured playlists, And weekly bounties for big rewards