All will be subject to the actual online version. The expected launch date for the balance patch is also not yet known.
Hero Changes
Shardwrack
Skill cost to 2 (up from 0)
Wings of the Wild Wind
Eastern Plaguelands option to Upgrade Tavern cost minus 5 (was Upgrade Tavern)
Attachment Changes
Hopping Frog Rider
Buff effect to +1/+1 ( Downgraded from +2/+2)
(Gold buff effect changed to +2/+2)
Giant Macaw
Effect triggered by another friendly follower's dead word (was a friendly follower)
Born Rattlesnake
Star rating changed to 5 stars (Upgraded from 4)
Size changed to 7/3 (Upgraded from 6/ 2 up)
Impatient Doomsday Prophet
Star rating to 4 stars (up from 3)
Vengeance value to 4 (up from Vengeance 3)
Casanatil
Star rating to 3 stars (down from 4)
Statue to 5/4 (down from 7/5)
Buff effects to +2 Attack (downgraded from +3 Attack)
(Gold buff effect becomes +4 Attack)
Hyborg Smuggler
Stature changes to 2/5 (upgraded from 2/4)
Buff changes to +1 Blood (downgraded from +2 Blood)
Gold Digger
Stature changes to 4/4 (upgraded from 2/2)
Sea Marauder
Build to 4/5 (up from 4/4)
Boar Seer
Build back to 3/3 (up from 2/3)
Roadblock Boar Man
Build back to 2/4 (back from 1/4)
Spiked-Back Brute Soldier
Build to 4/4 (up from 3/3)
Powerful Duo
Build changed to 4/5 (up from 3/4)
Peggy Brittle
Build changed to 6/5 (up from 5/3)
(and noted that the buff was given to another friendly pirate, no longer a random pirate)
Calgar
Buff target changed back to all Friendly Attendants
Master of the Present Realm
Star rating changed to 5 stars (down from 6)
South Sea Captain
Returns to Attendants
Provocative Shipwrights
Removed from Tavern