Everything you see here is subject to change and will infact probably go through several iterations before live.

Operative Changes (All Disciplines)

Holotraverse

• Supercharge your stealth generator, quickly moving you to a friendly or enemy target and increasing your movement speed by 75% for 3 seconds. Does not break stealth. Cannot be used against enemy targets in cover.
• 45 sec cooldown
• 30 meter range
• Ignores Alacrity
• Target must be within 270 degree angle of player.
• Level 61

Utilities:

• Curbing Shots
  
  • Overload Shot and Carbine Burst reduce the movement speed of targets they damage by 40% for 6 seconds.
  • Skilful tier


• Fortified Kolto
  
  • While your Kolto Probe is active on yourself, your damage reduction is increased by 3% per stack.
  • Masterful tier


• Circumvention
  
  • Holotraverse can be used while immobilized and purges movement-impairing effects when used.
  • Heroic tier

Medicine:

• Enduring Kolto
  
  • Increases the duration of Kolto Probe by 3 seconds. Additionally, Stim Boost grants Enduring Kolto when activated, making your next Kolto Infusion activate instantly.

Concealment:

• Prey on the Weak
  
  • Laceration deals 5% more damage to targets affected by your Acid Blade

Lethality:

• Acidic Compounds
  
  • Toxic Blast deals 5% more damage and Corrosive Grenade has a 10% chance to deal its damage twice whenever it harms a target.

Scoundrel Changes (All Disciplines)

Trick Move

• Override your stealth generator, quickly moving you to a friendly or enemy target and increasing your movement speed by 75% for 3 seconds. Does not break stealth. Cannot be used against enemy targets in cover.
• 45 sec cooldown
• 30 meter range
• Ignores Alacrity
• Target must be within 270 degree angle of player.
• Level 61

Utilities:

• Curbing Shots
  
  • Quick Shot and Blaster Volley reduce the movement speed of targets they damage by 40% for 6 seconds.
  • Skilful tier


• Supplemented Medpac
  
  • While your Slow-release Medpac is active on yourself, your damage reduction is increased by 3% per stack.
  • Masterful tier


• Sleight of Foot
  
  • Trick Move can be used while immobilized and purges movement-impairing effects when used.
  • Heroic tier

Sawbones:

• Prolonged Prescription
  
  • Increases the duration of Slow-release Medpac by 3 seconds. Additionally, Pugnacity grants Prolonged Prescription when activated, making your next Kolto Infusion activate instantly.

Concealment:

• Prey on the Weak
  
  • Laceration deals 5% more damage to targets affected by your Acid Blade

Lethality:

• Pierce and Batter
  
  • Sucker Punch deals 5% more damage to targets affected by your Flechette Round.

Sniper Changes (All Disciplines)

Imperial Preparation

• Immediately finishes the active cooldowns on Evasion, Countermeasures, Shield Probe, Cover Pulse, Entrench, and Covered Escape.
• 3 min cooldown
• Ignores Alacrity
• Level 61

Utilities:

• Reestablish Range moved from Skilful to Masterful tier.
• Calculated Pursuit moved from Masterful to Skilful tier.
• Pulse Screen:
  
  • Activating Cover Pulse increases your chance to resist Force and tech attacks by 20% for 6 seconds
  • Skilful tier


• Lumbering Impact:
  
  • Shatter Shot reduces the movement speed of the target by 50% for 10 seconds.
  • Masterful tier


• Over-prepared:
  
  • Reduces the cooldown of Imperial Preparation by 30 seconds and increases your damage reduction by 10% for 10 seconds after activating Imperial Preparation.
  • Heroic tier

Marksman:

• Marksman's Finesse:
  
  • Snipe grants Marksman's Finesse, increasing the armor penetration and damage dealt by your next Followthrough by 10%. Stacks up to 2 times.
  • Passive
  • Level 64

Engineering:

• Field Command:
  
  • Increases the critical chance of your area attacks by 15%.
  • Passive
  • Level 64

Virulence:

• Caustic Substances:
  
  • Weakening Blast deals 5% more damage and Corrosive Grenade has a 10% chance to deal its damage twice whenever it harms a target.
  • Passive
  • Level 64

Gunslinger Changes (All Disciplines)

Bag of Tricks

• Immediately finishes the active cooldowns on Dodge, Surrender, Defense Screen, Pulse Detonator, Hunker Down, and Hightail It.
• 3 min cooldown
• Ignores Alacrity
• Level 61

Utilities:

• Reset Engagement moved from Skilful to Masterful tier.
• Hot Pursuit moved from Masterful to Skilful tier.
• Pulse Screen:
  
  • Activating Pulse Detonator increases your chance to resist Force and tech attacks by 20% for 6 seconds
  • Skilful tier


• Lumbering Impact:
  
  • Flourish Shot reduces the movement speed of the target by 50% for 10 seconds.
  • Masterful tier


• Perfect Scheme:
  
  • Reduces the cooldown of Bag of Tricks by 30 seconds and increases your damage reduction by 10% for 10 seconds after activating Imperial Preparation.
  • Heroic tier

Sharpshooter:

• Sharpshooter's Touch:
  
  • Charged Burst grants Sharpshooter's Touch, increasing the armor penetration and damage dealt by your next Followthrough by 10%. Stacks up to 2 times.
  • Passive
  • Level 64

Saboteur:

• Conflagration:
  
  • Increases the critical chance of your area attacks by 15%.
  • Passive
  • Level 64

Dirty Fighting:

• Gushing Wounds:
  
  • Hemorrhaging Blast deals 5% more damage and Shrap Bomb has a 10% chance to deal its damage twice whenever it harms a target.
  • Passive
  • Level 64

Notes

Advanced Targeting and Avoidance Training got removed but I don't think these passive abilities was actually in use on the live server. Please correct me if I am wrong.