Patch 6.4 is out now!
Star Trek Adversaries Patch Notes — July 7, 2018
Aggregated from Steam, cross-tracked with Battle.net coverage on GamePatchNote.

WELCOME TO STAR TREK ADVERSARIES EARLY ACCESS.
-4:3 and 5:4 Monitor Support Added.
-Jach Destroyer: 3 - 3/3(Was 3/4) - Bloodthirst: Summon a "Jach Destroyer". – Jach Class Core Card.
-Advanced Maneuvers: 2(Was 4) - Give all friendly ships +1(Was 2) Attack until end of turn. – Defiant Class Core Summon.
-Galileo Recon Shuttlecraft: 1 – 1/1(Was, 2/1) - Haste, Commander: +2(Was 1) Attack. – Constitution Class Core Card.
-Constitution Class Mark I: 3(Was 4) – 2/2(Was 3/2) - Haste, Play: Deal 2 damage to target. – Constitution Class Core Card.
-Mysterious Asteroid: 1(Was 2) - Draw two cards. – Constitution Class Core Card.
-Fleet Tactics: 2(Was 4) - Give all friendly ships +1(Was 2) Attack until end of turn. – Constitution Class Core Card.
-Vor'cha Battlecruiser: 5 – 4/2(Was 4/3) - Cloaking Device, Play: Reduce target enemy ship Hit Points to 1.
-L’Rell: 0(Was 2) 1/0 - Play: Abduct all crew on target ship.
-Kira Nerys: 0(Was 2) 1/0 - Play: Abduct all crew on target ship.
-Chang: 4(3) – 1/1(Was 2/1) – Haste and Jamming.
-Kruge: 3 – 2/0 - Play: Destroy target ship with 6(was 4) Attack or less.
-IKS Change: 4 - 4/3(Was 4/1) - Cloaking Device, Deal +4 damage when attacking from Stealth (Was, Restealth after attacking).
-IKS Voq’leng: 6 – 6/3(Was 5/2) - Cloaking Device, Core Breach: Deal 3 damage to all enemy ships.
-Kronos One: 6 – 6/6(Was. 6/5) - Cloaking Device, Trample, Play: Adjacent ships gain Guardian.
-IKS Qugh: 6 – 5/6(Was 5/5) - At the end of your turn, reduce the cost of all cards in your hand by 1.
-Borg Cube: 10 – 5/9 - Play: Assimilate target enemy ship with 4(Was 3) Attack or less.