Here is a list of things supposedly to come in Dust 514 based on the weekly feedback/request updates threea, random dev posts, and Fanfest announcements.

Battles
48 player battles
MCC commander mode: direct your team RTS-style
Installation deployment
Gladiator suite of features for entertainment battles: includes spectator camera, and various generic FPS modes like capture the flag, and gambling.

Gameplay
Reloading while running (its been forever since they said its coming, so might not)
Hacking nanohives and drop uplinks
Inertial dampener damaging surrounding enemies
Different ammo types
Some form of target painting
Vault/slide movement options
Reworking how weapon ranges work

Dropsuits
Light (guessing) pilot dropsuit specialization: buffs vehicles, and decreases active module cooldowns
Heavy commando specialization: lower HP, 2 light weapons
Some sort of grenadier specialization: multiple grenades
Commander/crusader dropsuit (haven't heard about it in a long time, so don't know if still planned): AoE buffs to teammates, and AoE debuffs to enemies.
Caldari heavy and specializations
Gallente heavy and specializations
Minmatar heavy and specializations
Caldari light and specializations
Amarr light and specializations

Vehicles
Vehicle looting
Minmatar LAV
Amarr LAV
Minmatar HAV
Amarr HAV
Minmatar dropship
Amarr dropship
Artillery turrets
Laser turrets
Minmatar MCC
Amarr MCC
Gallente fighter jets
Caldari fighter jets
Gallente MAV
Caldari MAV
Gallente RDV
Speeders: hoverbikes
MTACs: mechs
Something similar to gunships

Infantry weapons
Tech 3 weapon customization system
Amarr heavy laser
Minmatar combat rifle: burst AR
Caldari rail rifle: breach-like AR
Gallente ion pistol: charge capability
Caldari rail pistol: high damage
Gallente knives
Minmatar knives
Amarr knives
Minmatar precision rifle
Caldari Magsec SMG
Some sort of Gallente heavy rifle

Equipment and modules
Cloaking
Bubble shields
Infantry active modules
Stasis webifiers as infantry equipment and vehicle modules
Energy drainers as infantry equipment and vehicle modules
Ferroscale armor plates: less HP, but no speed penalty.
Reflexive armor plates: less HP, but repair automatically.

Game modes
Rogue drone PVE
Skirmish 1.0: multi-stage attack/defend mode
Conquest: unknown
EVE titan ship-boarding "penetration"
Generic FPS game modes like "capture the flag" included in the Gladiator Arena set of features.

Maps
Surface command centers infrastructures (1 per planet): very important in planetary control
Planetary artillery surface infrastructures: shoot EVE ships
Amarr outpost seen in concept art
Gallente outpost currently being worked on
Guessing also Minmatar outpost(s) since all races need to be represented
Titan interior
Icy environment
Lava environment
Other exotic planetary environments
Floating platforms over gas giants (won't happen on PS3)
Alien trees
(Possible) 0 gravity evironments

EVE/DUST link
Ability to shoot back at EVE ships with planetary artillery
Ability to board titans in "penetration" mode
Eventual merging of the economies
EVE production of Dust items for sale

Rewards
WP rewards for MCRU spawns
Scan assists
More granular assist WP rewards
Higher WP rewards based on meta level of healing equipment
Squad action bonuses
WP for cancelling enemy null cannon hacks

Social
Squad advertisement
Corporation roles/titles
CEO and director control over who can join planetary conquest battles, and can kick players from those battles
Corp armories
Corp taxes
Corp training

Other
Queue up for next match end game option
Bringing back restocking options from E3 build
Dropsuit signature profile in the fitting stats
Testing a weapon before buying it: this feature will then be expanded as a gameplay tutorial
Racial HUDs based on dropsuit race


If I'm forgetting some things, please post it in the comments.