Tried my best to translate this post for you all. Please forgive me for any mistakes or weird names!
Making the final adjustments to endgame content!
Producer & Director Yoshida here.
After a long wait, the time has come for me to perscribe you all some medicine. [TN: The Japanese thread this was posted in was the 'Withdrawal Symptoms' thread.]
This will be touched on in more detail during the next Producer Letter Live, however, development is now being geared towards release, and we are currently working on final adjustments for the latter half of the main scenario battles and endgame content. Of course, I have been playing as a member of the 8-man parties for endgame content, but outside of the hardened warriors of the battle team we have also been aided by core MMO players from every part of the company so that we can make further adjustments.
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■Medicine #1: Assault on Litoatean■ [TN: Made-up place names are really hard to translate, sorry for the weird name.]
This is one of the battles from the latter half of the main scenario. Oh, looks like a pet job is…This fight is geared towards the Dungeon Finder too.
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■Medicine #2: Denouncing the Heretics – Amdapool Fortress■
Basically this is a high-difficulty 4-man dungeon aimed at players who have finished the main quest line. It’s packed full of mechanics we couldn’t implement in the old FFXIV…and it’s pretty hard.
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■Medicine #3: Garuda Prime■
This is the same fight that was in the old FFXIV. In order to fit in with the new battle system a few changes have been made. Legacy Players, be sure to check this one out.
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Although I personally use mouse + keyboard, or perhaps I should say I use a variety of tools, when testing content in the office I only use Gamepad Mode to try out both methods. After making adjustments, I make one additional final check using the PS3 version.
Also, during developmental debugging, data for each DPS class is displayed in the log, and the ideal amount of DPS we want each class to do versus how much they currently do in practice is recorded and adjustments are then made. You can see a bit of this pasted into the chatlog here.
(Coincidentally, even I was so shocked when asked [How much damage can the DPS do?] that for the meantime, we have no plans to implement this DPS logging command, so please forgive me for this one.)
Even though we are performing checks, I have heard lots of cheering and shouting, and judging by the other staff members all I can see is everyone having fun lol.
Only a little bit longer before we can give you all more information, so please look forward to it!
[Hope you all enjoyed the new info and my translation isn't too confusing/off the mark. -Tank Police, Odin Server]

http://www.reddit.com/r/ffxiv/comments/1ir..._yoship/cb799nz

Riot Blade Combo potency increased from 200 -> 230
Rage of Halone Combo potency increased from 240 -> 260
Sword Oath: Auto attack potency increased from 25 -> 50
Shield Swipe: Potency Increased from 170 -> 210
Awareness: Reduced oncoming crit chance increased from 15% - 25%
Shield Oath: Both oncoming damage reduction and outgoing damage reduction flatlined at 20%
Circle of Scorn: Base potency increased from 30 -> 100. DoT Potency now 30.

-No longer has Gladiator as a sub-class.
-Now has Marauder as a sub-class.
Second Wind: Now scales off curing potency, which scales with attack power. Due to XIVDB basing ability tooltips off of level 50s, with Third Wind this has a 650 cure potency. Likely around ~400 potency without Third Wind.
Touch of Death DoT potency reduced from 40 -> 25.
Fist of Fire Damage increase reduced from 10% -> 5%
Mantra: Now applies to the Monk and an area directly around the Monk.
Howling Fist potency reduced from 190 -> 170. Recast reduced from 300s -> 60s.
Dragon Kick: Also reduces target's INT by 10%.

Maim: Combo Potency increased 180 -> 190. Damage bonus increased from 10% -> 20%
Mercy Stroke Potency reduced from 250 -> 200.
Defiance: "Damage dealt reduction" decreased from 35% -> 30%
Butcher's Block Combo Potency increased from 260 -> 280
Inner Beast Potency increased from 260 -> 300 -Changed to absorb 300% of damage dealt
Storm's Path Now also has a combo potency of 250. Absorption Shield buffed to 50% of damage dealt with no max hp cap up from 20% of damage dealt capped at 10% max hp.
Storms Eye Combo Potency Increased from 230 -> 270 Now also applies reduced healing on target by 50%

-No longer has Archer as a sub-class.
-Pugilist has been added as a sub-class.
Keen Flurry: Parry rate increased from 20% -> 80%
Vorpal Thrust level reduced to 4
Keen Flurry Level increased to 6
Life Surge: Healing component reduced from 20% -> 10%
Jump: Potency increased from 180 -> 200. Recast reduced from 60s -> 40s.
Phlebotomize: DoT potency increased from 10 -> 20.
Power Surge: Recast reduced from 180s -> 90s.
Dragonfire Dive: Recast reduced from 300s -> 180s.
Exhilarate (trait): Additional TP gained from Invigorate increased from 450 -> 500.

Hawk's Eye: Additionally Grants 15% DEX
Windbite: DoT Potency increased from 40 -> 45
Quelling Strikes Level lowered to 36.
Flaming Arrow level increased. Potency Increased from 25 -> 35
Enhanced Quicknock: Level reduced to 36.
River of Blood (trait): Level increased to 48. Chance of Bloodletter CD resetting due to DoT damage on Venombite and Windbite increased from 20% -> 50%. Still requires DoTs to crit.
Rain of Death: No longer increases damage taken on targets hit by 10%

Stone: THM removed from list of classes.
Cure: Potency increased from 300 -> 400. ACN/SMN/SCH added to list of available classes.
Cleric Stance: SCH added to the list of available classes. THM has been removed from the list of available classes.
Protect: ACN/SMN/SCH added to list of available classes.
Medica: Potency Increased from 250 -> 300.
Raise: ACN/SMN/SCH added to list of available classes.
Cure II: Potency Increased from 500 -> 650.
Stoneskin: ACN/SMN/SCH added to list of available classes.
Regen: Potency increased from 50 -> 150.
Shroud of Saints: Refresh Potency increased from 60 -> 80.
Cure III: Potency increased from 400 -> 550.
Medica II: Potency Decreased from 350 -> 200. -Regen potency increased from 50 -> 100.

Thunder: ACN/SMN/SCH added to list of available classes.
Surecast: ACN/SMN/SCH added to list of available classes.
Blizzard II: Now grants Umbral Ice II.
Scathe: Potency increased from 100 -> 120 (With trait from 200 -> 240)
Fire II: Now grants Astral Fire II.
Thunder II: WHM removed from list of classes.
Swiftcast: ACN/SMN/SCH added to list of available classes.
Blizzard III: Potency Increased from 200 -> 220. Now grants Umbral Ice III.
Fire III: Potency Increased from 200 -> 220. Now grants Astral Fire III.

-Sub classes are Conjurer and Thaumaturge.
(Lv1) Ruin: 80 potency. WHM, BLM, CNJ, THM
(Lv2) Bio: 40 Potency for 18s. WHM, BLM, CNJ, THM
(Lv4) Summon: Summons a caster/healer-type pet. (DEPENDS ON JOB EQUIPPED)
(Lv6) Aetherflow: Restores 20% of maximum MP.
(Lv8) Enhanced Aetherflow I: Grants 1 stack of Aetherflow when Aetherflow is cast.
(Lv8) Energy Drain: 150 Potency. If under the effect of Meta Ether absorbs 50% of damage as hp and restores MP.
(Lv10) Miasma: 20 initial potency. 35 potency for 24s. Disease: Reduces hp recovered by Cure spells by 50% and heavy+40% for 24s
(Lv12) Virus: Reduces target's STR/DEX by 15% for 10s. WHM, BLM, all classes.
(Lv14) Int boost 1: INT+2
(Lv15) (CLASS QUEST) Summon II: Summon a tank/support pet. (DEPENDING ON JOB)
(Lv16) Int boost 2: INT+4
(Lv18) Sustain Sacrifices 10% max hp to continuously restore 8% pet hp over 10s. Cannot execute if under 10% hp.
(Lv20) Enhanced Aetherflow II: Grants 2 stack of Aetherflow when Aetherflow is cast.
(Lv20) Enhanced Action Damage I: Appears to give +10% action damage bonus.
(Lv22) Ressurection: Raises a target in a weakened state.
(Lv24) (Trait) 20% chance on pet crit to give you 20% spell speed for 8s.
(Lv26) Bio II: 35 potency DoT for 30s.
(Lv28) Causes Virus to also reduce INT/MND by 15%.
(Lv30)(CLASS QUEST) Bane: Spreads Bio, Bio II, OR Miasma to all nearby targets for their remaining time. If Aetherflow effect is up, 15% chance for DoT durations to reset.
(Lv30)(SCHOLAR). Succor: Restores target hp. Potency of 300. Erects a barrier nullifying damage equal to the amount of hp restored. When heal crits, barried doubles.
(Lv30)(SUMMONER) Summon III: Summon an attacking pet.
(Lv32) Int boost III: INT+6
(Lv34) Eye For An Eye: Places barrier on target or pet for 30s. Anyone who strikes shielded target has a 20% chance to have their damage reduced by 10% for 20s. WHM, BLM, all classes.
(Lv35)(SCHOLAR) Succor II: Restores Hp in an area around the caster. Potency 150. Grants a shield to each member healed that nullifies damage equal to the cure.
(Lv35)(SUMMONER) Fester: Deals 100 potency on a target per DoT (Bio, Bio II, Miasma). Only self applied DoTs work and must be under Aetherflow effect. 10s CD.
(Lv36) Enhanced Energy Drain: Doubles MP gained from energy drain.
(Lv38) Ruin II: 80 potency. Blind for 10s.
(Lv40) Enhanced Aetherflow III: Grants 3 stack of Aetherflow when Aetherflow is cast.
(Lv40) Enhanced Action Damage II: Increases Action damage by 30%.
(Lv40)(SCHOLAR) Leeches: Removes a single detrimental effect on target. 1s cast time
(Lv40)(SUMMONER) Tri-Disaster: AoE Bind on target. 30 Potency.
(Lv42) Miasma II: 20 initial AoE potency around caster. 10 potency DoT for 15s. Disease.
(Lv44) Reduces Eye For An Eye CD to 120s.
(Lv45)(SCHOLAR) Sacred Soil: Creates an area where everyone inside takes 10% less damage. Duration 15s. 20% Next Succor II will cost no MP. Can only proc under Aetherflow.
(Lv45)(SUMMONER) Spur: Increases a pet's physical/magical atk power by 40%.
(Lv46) Rouse: Increases cure magic potency and damage deal by pet by 40%. When roused, pets are immune to all detrimental effects.
(Lv48) Reduces CD of Rouse to 60s.
(Lv50) Shadow Flare: Placed AoE of 25 potency for 30. 5% chance of inflicting Slow to targets.
(Lv50)(SCHOLAR) Lustrate: Restores 20% of Target's maximum hp. 1s GCD. Only available under Aetherflow.
(Lv50)(SUMMONER) Enkindle: Allows pet to use its signature attack. 5m Recast.

Emerald Carbuncle
-Gust: 90 potency wind damage

-Backdraft: 80 wind potency knockback

-Downburst: AoE 80 potency

-Shining Emerald: Extends Masters DoT effects by 15s.

Topaz Carbuncle
-Shining Topaz: AoE 70 potency. Increased Enmity.

-Gouge: Single target 70 potency increased enmity.

-Curl: Decreased damage taken on pet by 20%.

-Storm: Delivers an attack for 60 potency that stuns.

Fairy (2 forms, support and healer)
-Whispering Dawn: AoE regen around pet. Potency 100 for 21s. 30s recast.

-Embrace (both forms): 300 potency cure.

-Silent Dawn: Silences for 1s. 40s recast.

-Fey Glow: Increases Spell speed around pet by 30% for 30s. 60s Recast. Cant use at same time as Fey Light.

-Fey Covenant: Increases Magic Defense around fairy by 20% for 20s. Recast 2m

-Fey Light: Increases skill speed around pet by 30% for 30s. 60s Recast. Cant use at same time as Fey Glow.

-Fey Illumination: Increases Cure magic potency around pet by 20% for 20s. Recast 2m.

Titan Egi
-Mountain Buster: 70 AoE potency around Titan. Increases Enmity. 15s Recast

-Rock Buster: Single Target 85 Potency. Increases Enmity.

-Earthen Ward: Decreases damage suffered by pet by 20% for 20s. 2m recast.

-Landslide: 70 potency stun. 40s Recast.

-Enkindle: Earthern Fury - AoE 200 potency. Additional effect: Razed Earth.
Ifrit Egi
-Crimson Cyclone: 105 potency stun. 40s CD

-Burning Strike (?): Single target attack potency of 120.

-Radiant Shield: 50 potency damage everytime Ifrit is attacked.

-Flaming Crush: AoE 105 potency. 30s Recast.

-Enkindle: Inferno - Conal 200 damage. 20 Potency fire DoT for 15s.
Garuda Egi
-Wind Blade: Wind Potency of 100.

-Aerial Slash: Deals AoE wind dmg around target. 90 Potency.

-Contagion: Extends master's DoTs by 15s.

-Shockwave: 90 dmg knockback.

-Enkindle: Aerial Blast - 250 AoE dmg.

-Master's Mend II level reduced from 28 -> 25.
-All Brands as well as Flawless Synthesis and Steady Hand II have had their level increased from 25 -> 37.
-Standard Synthesis level decreased from 33 -> 31.
-Advanced Touch level increased from 37 -> 43.
-All previously level 43 crafting specific abilities (Careful Synthesis II, Byregot's Blessing, etc.) have had their level increased from 43 -> 50.
Gathering Classes:
Miner:
Deep Vigor level increased from 23 -> 25.
NEW ABILITY: Truth of Mountains - Further survey the landscape to uncover unspoiled mineral deposits and rocky outcrops.
Toil of the Mountaineer level increased from 43 -> 50
Botanist:
Brunt Force level increased from 23 -> 25.
NEW ABILITY: Truth of Forests - Further survey the landscape to uncover unspoiled mature trees and lush vegetation.
Toil of the Pioneer level increased from 43 -> 50.

(Lv1) Quit: Abandon fishing attempt and reel in line.
(Lv1) Hook: Attempt to hook the fish nibbling on the bait.
(Lv1) Cast: Cast your line and begin fishing.
(Lv1) Bait: Select the bait to apply to your line.
(Lv8) Stealth: Conceal yourself and tread quietly, reducing movement speed, but enabling you to avoid enemies level 20 and below.
(Lv15) Ocean Whisperer: It is possible to fishing to discover the best-kept secret up to Level 15.
(Lv18) Enhanced Stealth: Able to avoid detection on monsters up to level 30 while stealthed.
(Lv25) Mooch: Use the fish already hooked to your line to attract even larger prey.
(Lv28) Enhanced Stealth II: Able to avoid detection on monsters up to level 40 while stealthed.
(Lv35) Ocean Whisperer II: It is possible to fishing to discover the best-kept secret up to level 35.
(Lv35) Sand Sea Fishing: It is to run as a cast fishing the sand sea.
(Lv38) Enhanced Stelath III: Able to avoid detection on monsters up to level 50 while stealthed.
(Lv40) Enhanced Mooch: The feed on fish caught in fishing swim, it is able to perform casting.
(Lv45) Sea of Clouds Fishing: It is to run as a cast fishing the sea of ​​clouds.
(lv50) Ocean Whisperer III: It is possible to fishing to discover the best-kept secret up to level 50.