Game Director Aaron Keller put out a blog discussing hero balance changes coming with Season 6: Invasion on August 10th, including Mercy nerfs, Orisa buffs, and more!
New Hero Balancing
Lifeweaver was too weak on release to where people didn’t want to play him.
Blizzard wants people to play new heroes because they bring value, not because they’re new.
They’ll make sure to keep a close eye on the power of new heroes and nerf them if necessary.