Abel
- Close Hard Punch's hit box expanded downward.
- Wheel Kick recovery reduced by 3 frames for each, except Medium which has been reduced by 2 frames.
- EX Falling Sky upper body invincibility increased from 2 to 3.
- Far Heavy Kick has 13 frame startup (from 14f).
Adon
- Jaguar Kicks do less damage and chip.
- Air Jaguar Kick chip damage halved, regular damage on all of them is -10.
- Far Standing Heavy Kick does 120 damage, is now 1 hit only.
- Opponent hasn't stood up yet if he does Forward Throw -> Forward Jump (meaning he no longer has a safejump from a regular throw, I assume?)
- It is listed that his "Jutting" has a better hitbox, which is very strange indeed, considering this move is a move he had in the Alpha series, but does not have in SF4.
EDIT: Apparently his Jutting from Alpha is his Close Heavy Kick right now, so his Close Heavy Kick should have a better hitbox now. Thanks to Doopliss for this information.
Akuma
- Can no longer cancel crouch Heavy Kick into Ultra
- Back Jump Hadouken recovery increased by 2 frames.
- Can no longer FADC his Heavy Shoryuken except on the first hit.
- Invincibility on Heavy Shoryuken reduced from 6 frames to 5 frames.
Balrog
- Medium Punch Swng Blow now +2 on hit, -3 on block.
- Last hit of his Ultra 1 can either be Punch or Kick now.
- Dash Straight now -1 on hit, -1 on block.
- Light Punch Dash Swing Blow 0 on hit, -2 on block.
- EX Dash Ground Smash is now -1 on block. (changed from -3)
Blanka
- Blanka can FADC after a Blanka Ball now.
- Crouching MK is now +5 on hit.
- Heavy Rolling Attack causes knockdown at all distances.
- Anti-Air U2 has had its startup changed to 7~9f.
- Close Medium Kick can anti-air during its first 4 frames.
- Back Step Rolling, when blocked, has 2 additional frames of blockstun.
C. Viper
- Burst Time has less smoke effect
- Her Focus Attack is +4 on block.
- Viper's moves have increased start up, but better recovery.
- Her super does 20 more damage.
- Standing Heavy Punch does 10 more damage.
- Far Heavy Kick has a smaller hurtbox.
- Her Medium Kick reaches farther.
- Light Thunder Knuckle has a better hitbox.
- She is +4 frames after doing a FADC on a Medium Thunder Knuckle.
- Heavy Thunder Knuckle has 1 more recovery fram after being canceled.
- Ultra 2 has 9 frames startup, and possibly no height restriction.
Cammy
- Her crouching light kick is now 4f.
- Reports say she does overall less damage and stun.
- Cannon Strike does not come out at low height, has longer recovery after landing. Reportedly, almost no normals connect after it.
EDIT: It seems you can still do her combo from a Cannon Strike by doing a close HP or close MP instead of a crouching HP.
Chun-Li
- Chun-Li's jump is 5f less now. Jump is springy and less floaty now, big visual difference.
- EX Kikoken knocks down.
- Kikosho has gotten +50 damage.
- EX Hazanshu is now armour breaking.
- Kikosho damage is now 380, has full invincibility until the move starts.
- Her Flip Kick (down-forward LK) now has 10 frames startup instead of 12, and its hitbox has been improved.
- Spinning Bird Kick hitbox has been improved.
Cody
- Cody's Crouching Medium Kick (slide) attack is now -2 on block.
- Crack Kick (Forward Heavy Kick) is now airborne from the first frame.
- Knife Throw is armor breaking.
- Regular Zonk Knuckle can be Red Focus cancelled.
Dan
- Now builds meter on all of his taunts, regardless if he's crouching, or jumping.
- Gets full hit on his DP FADC Ultra 2 juggle.
- Dan Kicks have a better hit box and should be connect on crouching characters.
Dee Jay
- Far Standing Medium Punch start up is 6f (used to be 7f).
- Crouching Light Kick start up is 4f.
- Crouching Medium Punch's hit box has been improved.
- Crouching Medium Kick's damage is now 80.
- Crouching Hard Kick's hit box has been improved.
- Air Slasher now does 15 chip damage, instead of 12.
- Light Kick Dread Kicks (Sobat) are now -3 on block (from -5f).
- His ultra 1 travels further.
- Crouching Heavy Punch hit box has been improved.
- Far Standing Heavy Punch can be followed up if it counter hits.
Dhalsim
- Standing Medium Kick now hits twice.
- Standing Medium Punch is now 9f. One less frame of hitstun to the opponent.
- Standing Heavy Punch does 80 damage. +1 more frame of advantage on hit.
- Standing Medium Kick does 70 damage (40+30), and 200 stun (100+100).
- Back Light Kick does 40 damage.
- Back Medium Kick gives less knockback both on hit and block.
- Back Heavy Kick does 100 damage.
- Light Yoga Blast has a smaller hurtbox.
- Medium Yoga Blast startup changed to 14f.
- EX Yoga Blast does 150 damage (90+60), gives soft knockdown, forward hitbox increased.
- EX Yoga Flame does 140 damage (70+70), has a bigger hitbox.
- Yoga Shangri-La hitbox increased.
Dudley
- Standing Hard Punch hitbox improved.
- Crouching Light Punch hitbox improved.
- Forward Medium Kick hitbox improved.
- Crouching Medium Punch startup is 1 frame faster.
- Light Punch Machine Gun Blow is -1 on block.
- Short Swing Blow has longer throw invincibility.
E. Honda
- Close Standing Heavy Punch's hit box is larger.
- Far Standing Heavy Punch's damage is 90 now.
- Jump Medium Punch's hittable box reduced
- Jump Medium Kick's active frames are larger
- EX Headbutt leaves him closer to opponent on block. Vega can hit him with a cr.MP now.
- EX Command Grab is fully invincible.
- Super has 8 frame start up.
- Ultra 2 comes out in 1 frame, 1.4 range and it's a 720 motion now.
- Far Standing Heavy Kick is now -6 on block, used to be -7.
- Sumo Splash active frames increased by 1.
Elena
- Ultra 2 (Healing) heals about 45% of her health if used as a single ultra and fully charged. Amount of health healed depends on how long you hold the buttons.
- QCB+K is an armor breaking move.
- Has a walk speed similar to Ryu's.
- Has strong air to air attacks.
- Dashes reportedly lacking in effectiveness.
- Ultra 1 is Brave Dance.
- Super is Spinning Beat.
- Her slide is good.
- Overheads are long and fast. EX Overhead is CRAZY fast.
- EX Spin Kicks appear to be safe on block.
- Her footsies are reportedly very strong.
- Jump is floaty.
- Ultra 2 (Healing) heals 100 damage when it's a 50% Ultra in Double Ultra setting (as in, the weakest possible setting for it), but you have enough time to jump towards her and attack when she starts it.
- Crouching Elena has an extremely low profile. Makes Yang's Rekka and Dan's Danku whiff
- Lynx Tail (reverse DP + K) whiffs easily. Comes out by accident
- DP doesn't have a lot of invincibility and is not throw invincible at all.
- EX Spinning Scythe not comboable?
- EX Mallet Smash is extremely fast, can combo off of, and is positive on block
- EX Rhino Horn - When used to go through projectiles, it tends to only do one hit and doesn't knock down
El Fuerte
- Far Standing Light Punch start up is now 6f.
- Crouching Light Kick is now 4f.
- Crouching Medium Punch's hitbox has been improved.
- Far Standing Light Kick start up is 3f, not cancellable.
- Tostada Press active frames increased by 1.
- Fajita Buster damage increased to 180.
- Quesadilla Bomb connects from Crouching Medium Kick.
- Close Standing Heavy Kick start up now 10f.
- Light and Heavy Kick Guacamole Leg Throw invincibility increased.
- Normal Quesadilla Bomb start up now 14f, recovery reduced by 4f.
- EX Quesadilla Bomb now throw invincible.
- Gordita Sobat recovery reduced by 1f.
- EX Guacamole Leg Throw downward hitbox increased. Apparently his RSF loop can now be canceled into EX Guacamole Leg Throw and hit.
Evil Ryu
- Health 950
- Crouch Heavy Kick start up is 6 frame
- Can combo into crouch HK now
- Foward Medium Kick has better downward hitbox
- Heavy Axe Kick start up is 25f
- Target Combo can now be done from far standing MP
Fei Long
- Can no longer standing Light Punch into Tenshin
- All of his Rekka Kens have been shortened in distance traveled, frame advantage on block may also be nerfed.
- It says that his Light Kick is now 4 frames. I assume this refers to his Crouching Light Kick, which is currently 3 frames.
- Crouching Medium Punch damage increased.
- Tenshin has less recovery.
Gen
- Less pushback on his Hands, both on block and hit.
- Hands recovery increased by 1 frame.
- Heavy Kick Waterfall Kick can be quick rised now.
- EX Waterfall Kick is a hard knockdown.
- Rolling move better on block.
- Stun increased from 900 to 950.
- (Mantis Stance) His Close Standing HP now does 150+50 Stun.
- (Mantis Stance) ****enketsu now has a better hitbox, gives 600 Stun.
- (Crane Stance) Standing Light Punch is +5f.
- (Crane Stance) Standing Heavy Kick has 5 frames less recovery.
- (Crane Stance) Jumping Heavy Punch and Heavy Kick both have a larger hurtbox.
- (Crane Stance) Gekiro (Roll) does 10 more damage with its last hit.
- (Crane Stance) His Super range is shorter.
- (Crane Stance) Teiga is now 9f startup.
Gouken
- Standing Far Light Kick is now cancellable.
- Crouching Medium Punch now +3 on hit (was +1).
- Counter Attack will now longer activate with DF, F, DF motion.
- Hyakki Gosai (Demon Flip throw) stun reduced from 200 to 160
- Light Punch Running Palm has slightly expanded hitbox
- EX Hurricane Kick has expanded hitbox, hits crouching characters now.
Guile
- Ultra 1 is 5f start up now, and can be used as an autocorrect. It also does 450 damage and has 15 frames of invincibility.
- His hurtbox on wakeup has been reduced.
- Crouching LP is now +5 on hit.
- Crouching MK has had both its hitbox and hurtbox increased.
- His Super seems to have a larger hitbox downward, so as to not whiff on crouching opponents.
- His air grab reaches farther than before.
- Flash Kicks have received one additional invincible frame.
- Ultra 2 does 350 damage.
- Reverse Spin Kick now has a larger downward hitbox, making it likely that it'll hit crouching opponents.
Guy
- Guy's walk speed is faster.
- Crouching medium punch hitbox has been reduced, and can no longer be used as an anti-air.
- EX Hurricane Kick has a larger hit box, but start up increased from 4f to 6f.
- Increased range on second hit of his Ultra 1.
- Elbow Drop can no longer be ducked under with certain moves.
- Kamaitachi (Down-Forward Heavy Kick) startup reduced to 9 frames, from 11 frames.
- Neck Flip (Heavy Kick followup on Run) startup increased to 5 frames from 3, hitbox increased.
- Elbow Drop downward hitbox increased.
- Second hit of his Target Combo has had its downward hitbox increased.
- Sudden Stop has 1 frame less recovery.
- Heavy Hozanto has 2 frames quicker startup.
Hakan
- Without oil, crouch medium punch is special cancellable
- Easier to cross up with jump Medium Kick
- Ultra 1 animation is quicker
- Crouch Heavy Kick is 8F
- Stand Heavy Punch hitbox improved vertically, possibly viable as an anti air.
- Oil Rocket reach improved normal is 1.05, EX 1.2
- Air throw damage is 150 (it used to be 140).
- Hakan Tackle (forward MP) is now -4 on block (from -5), and 0 on hit (from -2).
- Crouching Light Kick now has 8 frames of recovery, instead of 9.
Hugo
- Is slow overall, and seems to have trouble getting in.
- Throw range is slightly shorter than Zangief.
- Ultra start up is fast, might be 1f.
- Looks to struggle against pressure. Dudley vs. Hugo appears to be in Dudley's favor.
- Clap is safe on block. Leads to great corner pressure.
- Standing Medium Kick is an overhead.
- Normals are reportedly very slow, but Crouching Light Punch is good.
- He's so large, he partially obscures the health bars.
- He's so tall his head covers the life bars
- He's so tall it's hard to confirm counter hits
- Hugo gets hit by Juri's high fireball while standing
@ the bolded
- st.MP reaches far. Can almost reach the opponent at the start of a round
- With double ultra full bar, U2 did 25% damage
Ibuki
- Overhead is now +2 on block, has improved vertical hitbox so might possibly hit crouching opponents.
- Light Punch Kunai (dagger toss) now travels more vertically.
- All Neckbreaker attacks, except the EX version, cause a soft knockdown on hit.
- Medium Spin Kicks (Tsumuji) have an extra frame of recovery.
- Target Combo 4 has improved vertical hitbox.
- Tsujigoe recovery frames decreased by 6.
- Tsumuji has an expanded vertical hitbox, allowing them to hit crouching opponents.
- Kazekiri now has 7 frames of invincibility, instead of 6.
Juri
- Ultra 2 is improved. Hit box expanded forward to make it easier to combo.
- It's possible her standing normals can chain/link(?) into her sweep now.
- Toward + Medium Kick is now airborne from the first frame.
- Jump Heavy Punch no longer knocks down.
- Level 2 Focus Attack, Toward Jump Medium Punch into Jump Heavy Punch connects.
- Far Standing Light Kick is now 4f.
- Crouching Medium Kick is now 5f.
- Far Standing Heavy Kick is airborne on the 3f now.
- Standing Light Punch hitbox has been expanded downward, possibly letting her hit crouching opponents?
- EX Pinwheel Kick is now invincible up to 7f.
- Level 2 Focus Attack, backdash, Jump forward HP connects.
- Far Medium Punch can now be cancelled.
- Ultra 1 invicibility frames (on activation) reduced, from 1~4f to 1~2f. Duration on Ultra reduced from 900f to 700f.
- Crouching Light Kick->Crouching Light Kick->Crouching Medium Kick is now possible.
Ken
- Movement speed is faster.
- Close Standing Medium Kick hitbox expanded downward so it hits crouching characters now.
- Crouching Hard Kick start up is now 7f.
- Fireball damage increased by 10.
- Toward + Hard Kick is -1 on block.
- Ultra 1 non-cinematic damage increased by 30.
- Ultra 2 hit box of first hit expanded forward.
- Forward+Medium Kick and Back+Medium Kick have both gotten +1 more frame of advantage on block.
M. Bison
- Light Kick Double Knee Press is -1 on guard
- Far stand Medium Punch start up is 6F, can special cancel
- Crouch Heavy Punch start up is 10f
- Scissors LK, MK, HK,EX +10 damage
- Teleport +5f recovery
- Headpress startup 22->20f
- Devil Reverse EX Followup falls faster
- Ultra 2 damage 450->420
- Ultra 2 charge 55f -> 40f
- Light Double Knee Press damage buff 60•30→60•40
- Medium Double Knee Press damage buff 60•50→60•60
- Heavy Double Knee Press damage buff 70•60→70•70
- EX Double Knee Press damage buff 70•70→70•80
Makoto
- Can combo into EX Fukiage grounded.
- Can jump cancel EX Fukiage on block or hit.
- Ultra 1 damage is 440
Oni
- Can now FADC his DP, but only on the first hit, whether it connects or is blocked.
- Ultra 2 is now a double half-circle back motion.
- His Forward Medium Kick now has 11f startup, instead of 13f.
- His Crouching Heavy Kick is now 8f startup instead of 9f, and has 20f recovery instead of 24f.
- His Focus Attack has longer range.
- Heavy Shoryuken now has different/more(?) invincibility frames, apparently changed from being 9~10f to 6~7f.
- Light Demon Slash now does 110 damage (down from 120), and 130 stun (down from 150).
- Heavy Demon Slash is now -6f on block, instead of -8f.
- EX Demon Slash is now -8f on block, instead of -10f.
- Medium Demon Palm is now -4f on block, instead of -6f, but its first invincibility frame has been removed.
- Electric Fireball (all versions) now have 2 frames less recovery.
- Ultra 1 now does 375 damage when not cinematic (up from 350), and now has 9f startup instead of 11f.
Poison
- Has Poison Kiss Ultra. HCBx2+3P
- Her jump is floaty.
- FADC combos connect fully into Ultra 1.
- Her Crouching Medium Kick is long and cancellable, but Rekkas won't connect from max range after hitting with this.
- Ultra combo 2 is apparently a counter ultra which activates on opponent's hit.
- Has a DP, which juggles after her EX Rekkas.
- Her Super does not hit Elena when she is crouching.
- Backdash feels like Cammy's, on the slow side
- Rekkas do not connect on crouching Elena. Can combo into DP from EX Rekka's 4th hit
- Projectile is strong
- DP has invincibility; DP FADC U1 is possible
- Love me Tender (jaguar kick) links into cr.LK
- Overhead - Punishable on block; Fast and reaches far ; Goes over lows
Rolento
- First part of the Patriot Circle seems to be about -2 or -3 on block.
- Rolento's Ultra 2 is one of his super moves from the Alpha series, Take no Prisoner, where he throws a line out at the opponent's feet. It has long reach but is vulnerable to throws.
- Crouching Medium Kick is similar to Rufus' in terms of range.
- Jabs are still powerful, just like in SFxT.
- Cr.MK xx HP Patriot Circle (rekka) does not combo
- EX Patriot Circle is invincible and safe?
Rose
- Ultra 2 command changed to 3x Kick instead of Punch.
- All Soul Spiral (drills) do 10 more damage.
- Light Kick Soul Spiral range increased.
- Crouching Light Punch +10 damage, now does 30.
- Crouching Light Kick +10 damage, now does 40.
- Crouching Medium Punch +10 damage, now does 70.
- EX Soul Spiral does 200 stun, has 13 invincible frames and is throw invincible.
- Medium Soul Spark is now 20 frames startup (from 22f), heavy soul spark 27 frame startup (from 29f).
- Ultra Combo 1 is now 10 frames startup (from 12f).
- Rose's Dash is now 20 frames.
Rufus
- His forward throw damage has been reduced to 135.
- Damage changes to his Ultras. Ultra 1 now does 420, while Ultra 2 does 360.
- Falcon Kick (divekick) now has 1 more frame of recovery.
- Messiah Kick followups have gotten frame changes. MK followup has 22 frames of recovery (from 19), and HK followup has 19 frames of recovery (from 17).
- EX Messiah Kick no longer flies above crouching opponents.
Ryu
- Crouching Medium Kick xx Hadouken is easier to connect. (As in, walking forward and doing cr. mk will not automatically make a Shoryu come out, but it's easier to walk forward and now do Crouching Medium Kick into Hadouken.
- Ultra 2 has 1f more invincibility.
Sakura
- Her Jumping Hard Punch has a larger hittable box, which should make it easier to anti air.
- Light Kick Hurricane Kick is now -1 on block, it was previously 0 on block.
- EX Hurricane Kick only +2 on block, down from +4 in AE.
- EX Hurricane Kick is better at hitting crouching opponents.
- Far Standing Medium Punch has a better hitbox.
- EX Sakura Otoshi's timing to further the attack has changed from 14f to 11f.
- Shinkuu Hadouken no longer hits opponents who are behind Sakura.
Sagat
- Second hit of Standing Light Kick is special cancellable.
- Gets full hit of Ultra 1 under all circumstances, apparently.
- Tiger Knee makes opponent stand if the first hit connects.
- EX Tiger Knee is 0 on block now.
- Ultra 2 will do full damage on airborne targets now.
- Sagat can no longer trade a Tiger Uppercut into Ultra.
Seth
- Has Dhalsim's jump back Heavy Punch again.
- Can no longer cross up jump Heavy Kick.
- Triangle Jump distance has been reduced.
- Jump Medium Kick can crossup.
- Dive Kick hurtbox increased.
- First hit of Shoryuken cannot be focus canceled now.
- Shoryuken invincibility changed from 7f to 5f.
- Ultra 1's hit box has been expanded vertically.
- Ultra 2's recovery changed from 89f to 70f.
T. Hawk
- Walk speed is faster.
- Standing Close Medium Punch pushes you back less distance.
- Crouching Medium Kick is now special, super and focus cancellable.
- Light Typhoon throw range has been increased from 1.50 to 1.55.
- Far Standing Heavy Kick has a smaller hurtbox, is now -2 on block instead of -7.
- Thrust Peak (down-forward Light Punch) command has been changed to back Light Punch.
- Condor Spire command is now forward-down-forward Kick.
- Light Tomahawk Buster is now 4 frame startup, instead of 5.
- EX Tomahawk Buster can be focus cancelled.
- Raging Slash command has been changed to half-circle back, half-circle back, 3 kicks. Hitbox has been increased.
Vega
- Blocked Cosmic Heel is +2 frame advantage
- Ultra 2 is now 5f
- Ultra 1 now has invincibility, number of frames currently unknown
- EX Scarlet Terror has 4 frames of invincibility.
- Normal Rolling Crystal Flash is -8f when blocked, can be FADC'd when it hits.
- EX Rolling Crystal Flash is +4f when blocked.
- Mask throw command has been changed to 2 punches.
Yang
- Faster walk speed.
- Shorter start up on Standing Light Kick.
- Yang cross up MK hit box better.
- Jumping MK is "like in AE".
Yun
- Both of his command throws lost .1 in range. EX version is down to 1.2 and regular version is now 1.0.
- Heavy Dragon Kicks no longer have invincible frames
- Stand Medium Punch and crouch Medium Punch damage increase by 10
Zangief
- Light Punch Banishing Flat is -2 on hit now.
- EX Banishing Flat knocks down on hit, start up is 16f.
- Light Punch Spinning Piledriver range reduced from 1.75 down to 1.60.
- Far Standing MP hurtbox increased.