Pilot Ace bonuses and Mech Full Upgrade Bonuses for the most part, with some extra tidbits

Mazinkaiser:
Mazin Power: 130 morale, final damage 1.2x
Koji: Dmg received 0.8x, morale +3 each battle
Tetsuya: Dmg received 0.9x, morale +3 start of each turn, final accuracy +30%
Extra info: Dynamic Tackle MAP range is a single line 2 squares long
BGM: Majin Kenzan

Zeta/CCA:
Amuro: +20 skill, Newtype weapon range +1
Char: Newtype level +1, +20 skill
Kamille: Counterattack dmg 1.2x, at 150 will gain 50 SP (one time)
Quess: Newtype level +1, at 130 morale activate Focus every turn
Newtype System Lv9: Final hit/evade +25%, Newtype weapons range +2, weapon attack power +500
Biosensor: When activated, all stats gain +10
Nu Gundam FUB: Adds +50 weapon attack power to Newtype System per level
Sazabi FUB: No info, but might share Nu Gundam's
Extra info: FA Hyakushiki and Sazabi are back, Quess and Gyunei should join in ther Jagd Dogas but Alpha Azieru is also in files
Kamille seems to start with Hyakushiki

Majestic Prince:
Izuru: On sortie, Sync +10, +20% final hit/evade
Asagi: At 120 morale, +1 move, all weps other than MAP gains range +1
Suruga: Snipe costs 15 SP, at range >= 8, attack 1.1x
Ange: On sortie, Sync +25, others Sync +10
Tamaki: Dmg received 0.9x, -5 morale to enemy in battle
Kei: Using command Wide-Range Strategic Recon casts Assault, Wall, Accel on self
BGM: PROMPT (no OP1 this time)

Macross Delta:
Hayate: Melee & Ranged +10. If 'Freyja' assist is deployed, add another +5
Messer: At 130 Morale, evade +15%
Chuck: Credits earned per kill +2000
Ernest Johnson: After using unit command "Assault Tactics", casts Strike on self. For 1 turn, allies hit/evade +10%
Arad: Initial morale +15, Delta Squadron's final hit/evade +10%
Mirage: Support attacks do 1.2x damage, Focus costs 10 SP
Keith: Fold Wave Perception now triggers at 60% HP or below. When active, dmg received 0.8x
Delta Valkyrie FUBs: +300 attack power to Assault Manuever and Coordinated Assault (might be Variable Combat) attacks
Hayate upgraded valk FUB: +300 attack power to Assault Manuever and Coordinated Assault (might be Variable Combat) attacks, +1 move
BGM: Walkure ga Tomaranai, Walkure wa Uragiranai, Ichido Dake no Koi Nara, Hoshi no Uta

Dynazenon:
Dynazenon FUB: All Wep Power +200, EN +60
Gridknight FUB: Move +1, EN +60
Kaiser Gridknight FUB: All Wep Power +200, EN +60, Move +1
Gauma Ace: Initial morale +10, 1.3x dmg to Kaiju controllers (Kaiju Club?)
Gridknight Ace: Initial morale +10, move +1
Kaiser Gridknight Ace: Move +1, 1.3x dmg to Kaiju controllers, after combination command activate Zeal
Extra info: Kaiser Gridknight does not have any MAP attacks
BGM: Imperfect

G-Witch:
Suletta: SP +50 when below 40% HP (prob one time?), at 120 morale activate Spirit
Aerial Gundam FUB: HP +1000, Armor +200, EN +60
Supposed Playables: Aerial, Aerial Rebuild, Demitrainer, Darilbalde, Pharact
Extra info: Sophie & Norea not found (prob not in game), Sabina and her Beguir-Pente are in (probably enemy only)
BGM: The Blessing

Dunbine:
Sho: Battler Skill enhanced, +5 morale per turn instead of +3. At 150 morale, 1.2x dmg
Shion: should be same as Sho
Burn: Move +1, at start of turn if less than 30% HP, activate Guts.
Supposed Playables: Sho, Shion, Marvel, Burn, Ciela, Todd

Code Geass:
Suzaku: Initial morale +10, final evade +15%
Kallen: Initial morale +15, EN cost 0.9x
Lelouch: C.C.'s max SP +20, Tactical Command units morale +3
Gekkoei Sui FUB: Absolute Zero Beam range +1, attack power +300
Lancelot siN FUB: Combination Attack Power +300, Mobility +20
Lancelot siN White Fang FUB: Plasma Needle Cannon attack power +300, EN +40
BGM: Lelouch of the resurrection, A heart not giving up

SEED Destiny:
SEED Mode: Activates at 130 morale. Final hit/evade +15%, crit rate +15%. During player phase, SP recovers additional +5
Super Coordinator: includes 1.1x damage, unsure what else
Kira: Final Evade +20%, max SP +20, SEED activates at 110 morale
Lunamaria: Initial morale +10, dmg received 0.9x, final hit rate +15%
Athrun: Final Hit +20%, max SP +20, SEED activates at 110 morale
Shinn: Move +1, max SP +30, SEED activates at 110 morale
Lacus: Adjacent allies 1.1x damage
Strike Freedom FUB: Dragoon morale requirement -10, ammo +1
Infinite Justice FUB: Melee weapon range +1, move +1
Eternal: Move +1, dmg received 0.8x
Force Impulse: Excalibur +300 attack, +1 range
Destiny Gundam: +40 EN, Afterimage no longer has morale requirement
Supposed story leak: Athrun MiA, Shinn back in Force Impulse, Kira and Zechs joined Char's team/independent faction
BGM: Ignited, V rendition

G Gundam:
Allenby: Initial morale +10, at 150 morale activate Valor once
Master Asia: Initial morale MAX, addition +5 SP start of player phase
Domon: Initial morale +10, after Meikyou-Shisui activates, melee dmg 1.1x
Rain: At 150 morale, activate Love
Chibodee: Initial morale +10, counterattack dmg 1.2x
Sai Saici: Initial morale +10, at 150 morale activate Flash every turn
George: Initial morale +10, at 150 morale activate Focus every turn
Argo: Initial morale +10, at 150 morale dmg received 0.7x
Master Gundam FUB: All weapon power +200, EN +100

Gundam Wing EW:
Heero: +1 move, Zero System activates at 110 morale
Duo: +1 move, final evade +20%
Trowa: Support Attack dmg 1.3x (might be 1.2x), +5 morale each time he support attacks
Quatre: All adjacent allied units gain +5 SP
Wufei: At 150 morale, activate Soul
Zechs: On sortie, gain Accel, Focus, Persist
Noin: On sortie gain +3 assist gauge points (not full bars), the spirit Hope costs 30 SP
Sandrock FUB: Armor +300, Resupply added to unit
Altron FUB: Accuracy +20, all weapons gain ignore barrier
Wing Zero FUB: Zero System enhanced, non-MAP range +1
Deathscythe FUB: Hyper Jammer no long requires morale, all weapons crit rate +30%
Heavyarms FUB: Move +1, ammo +2
BGM: WHITE REFLECTION, Z3 rendition

Godzilla S.P.:
Jet Jaguar: At 170 morale, activates a weaker version of Miracle (Zeal, Accel, Luck, Gain, Strike, Alert, Soul)
Jet Jaguar FUB: HP +1000, EN +40, Mobility/Accuracy +200, Move +1, All Wep Attack Power +200
BGM: in case..., Godzilla's Theme -Singularity Point-

Getter Arc:
Go: Initial morale +30
Takuma: When Chosen Child of Getter is activated, all 3 pilots morale +10, SP +20
Kamui: At 140 morale, +30% final evade
Baku: At 140 morale, dmg received 0.7x
Vise: Support attack dmg 1.2x, +10 initial morale
Enemy Kamui: +5 morale each turn, at 120 morale activate Zeal, Strike
Enemy Saint Dragon: At start of turn, -5 morale and -10 SP to enemies (us) within 10 spaces
Tarak FUB: All weapon attack power +400
Gettersaurus FUB: Move +1, armor +300
Supposed playables: Getter Arc, Getter Tarak, Gettersaurus
BGM: Bloodlines

Raideen:
Akira: Telekinesis enhanced
Telekinesis Lv9: Final hit/evade/crit rate +15%, restore 15 SP per turn
Enhanced Telekinesis Lv9: Final hit/evade/crit rate +20%, restore 20 SP per turn
Raideen FUB: God Bird gains +2 range, crit rate +20%, added Ignore Size
Extra info: 4 Raideen enemies in the game

L-Gaim:
Daba: Lilith SP +20, on sortie gain +3 assist gauge points, at 130 morale activate 连击 (dunno what spirit this is, might be new)

OG:
Echika: At start of stage, +2 assist gauge levels (full bars)
Cross/Forte: NINJA enhanced to NINJA Master, passive gains 1.3x dmg and +2 move 

Etc. 
Battleships: Gran Garan, Ra Cailum, Eternal, Godinion, Macross Elysion, A. Advent
Kira and Char join in chapter 3