The "Evolve" 1.3 patch changelog has been revealed by Turtle Rock Studios as major changes to the monster power balance has been confirmed.

As was posted by Turtle Rock Studios on the official website for "Evolve",

All Monsters

• Minor maintenance and improvements
• All monsters can see recent damage on their health bar to help make burst damage visible

Kraken

• Fixing some flight edge cases that were causing inconsistencies making him too powerful or too weak depending on the situation

-Vortex

• Cooldown increased by one second
• Reduced knockback magnitude

-Tranq Darts, Stasis Grenades and Harpoons

• Pull Kraken down at a consistent rate regardless of whether he is in combat or out of combat. (they used to stack outside of combat)
• Kraken's flight speed is no longer slowed by Tranqs since they pull him to the ground where running speed is affected

-Aftershock

• Fixed a bug that was causing Aftershock to not break harpoon traps or Arc Mines

Wraith

• Making her movement speed less bursty which makes her easier to keep track of. Making Supernova less lethal while still allowing it to be just as powerful. Making Warp Blast a damage dealer instead of a traversal mechanic

-Warp

• Speed reduced 25%

-Supernova

• Duration decreased by 50%

-Decoy

• Wraith becomes visible for half a second when shot while cloaked
• Increased cooldown time by 2 seconds

-Warp Blast

• Speed reduced by 40%
• Range no longer levels up
• Radius levels up now
• Max travel distance set to 30 meters for all levels
• Damage increased by 10%