Destiny added some changes to Crota's End, the Vault of Glass as well as implemented some hot fixes. They also added some content to multiplayer as well!
See all the changes taken from Bungie below!
The Dark Below infused Destiny with new content, along with some new issues that we have sought to correct. With this update, we’re paying special attention to the Crota’s End Raid - along with weapons, arenas, and rewards for other activities. Iron Banner is also being prepared to return.
Activity Rewards
• Fixed an issue with Ascendant Materials no longer being a possible reward for Daily gold-tier public events
• In addition to other potential rewards, Weekly Nightfall Strikes can now award 9 or more Strange Coins
PVP
Maps
•Added to the rotation for Control, Clash, and Iron Banner* playlists:
The Anomaly
Asylum
The Burning Shrine
Iron Banner*
•Starts 1AM PST, Tuesday, January 13th
•Playlist weapon drops
Level 32 Sniper Rifle
Level 32 Auto Rifle
• Gain event standing to earn Legendary gear
Level 32 Hand Cannon
Level 32 Rocket Launcher
Level 32 Gauntlets
Level 31 Chest
Weapons
• On the Sniper Rifle, Black Hammer, the Hive Breaker upgrade has been disabled until it is fixed to play nicely with the White Nail upgrade
Raids
Vault of Glass
• Exotic weapon drops (though still very infrequent) are now Level 32
Crota’s End
• Rewards
Treasure chests now contain Radiant Materials
The existing Pit treasure chest reward has moved to killing Ir Yut, the Deathsinger
• Pit Encounter
Pillars of Light no longer launch players into the air when they explode
• Bridge Encounter
Players will now be required to cross the bridge in order to complete the bridge encounter
Players will now be required to wait for the bridge to be completed prior to crossing with the sword
• Deathsinger Encounter
Fixed a rare case where the Shriekers would not spawn, preventing players from reaching the Deathsinger
The Deathsinger now has a chance to drop Exotic weapons and armor, class pieces, and Radiant materials
• Crota Encounter
Two Swordbearers will no longer spawn at the same time at the outset of the encounter
Crota will now recover from his kneeling state after a player quits
Fixed a bug that allowed players to remove the “Presence of Crota” using a Radiance Warlock’s Fireborn ability
Fixed a bug that made the Oversoul appear destroyed to some players in a Fireteam when it was actually still active