A new balance patch has hit DMM (and I can't wait for use to start getting them). In regards to classes.

Valkyrie: All Class Deployment Cost -4; HP and Attack Modified
Rogue: All Class Deployment Cost -1
Monk: All Class HP Buffed
Samurai: All Class HP and Defense Buffed
Advance Guard: All Class HP and Defense Buffed
Pirate: All Class Intervals Between Attacks Shortened (Attack Speed Increase)
Vampire Hunter: All Class HP and Defense Buffed
Summoner: Summon Master Deployment Cost -3; Attack Modified

Now for the units we specifically have.
Leeanne: HP and Defence Buffed
Gellius: AW Skill Duration Extended, and WT Shortened
Deine: Ability Defense Raised; AW Ability Defense Raised and Cost Modified
Dahlia: HP Buffed; Defense Modified
Lilia: AW Skill Duration Extended and WT Modified
Olivie: AW Skill 1) CT Shortened, 2) Duration Extended Upon Each Skill Use: 2nd, 3rd (Max).
Lyla: AW Skill Attack Multiplier Buffed
Sasha: Skill Duration Extended
Rachel: AW Skill: Intervals Between Attacks Shortening Effect Buffed Mikoto: AW Skill: 1) Added attack power increase., 2) Enemy halting effect extended., 3) CT Modified.

Specific Skills:
Following Skills Have Their WT and CT Decreased:
Strengthen Attack I
Strengthen Defense I
Recovery I
Assassinate I
Request Reinforcements I