Overwatch News - Hero Buffs and Nerfs | Avoid Player Feature

There'll be changes to some heroes in the near future:

Buffs
Mei:
Her primary fire will be able to freeze multiple heroes at once as it pierces through an enemy

Reaper:
When Reaper uses his ultimate, his shotguns will be reloaded afterwards
When using wraith form, he'll gain 50% movement speed instead of 25%
Wraith form can be canceled by pressing shift or left-click

Moira:
Her abilites will be more transparent which will give you a better overview

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Nerfs
D.Va:
Her rocket's explosion damage will be reduced from 6 to 4 which equals about 22% damage reduction.
Zenyatta:
The fire rate of his secondary fire will be reduced by 15%.

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Other
There'll be a function called "avoid player". If you avoid another player he won't get matched with you anymore in the same team, there's still the possibility that he will be on the enemy team though.
Note: It will expire after 7 days and you can avoid only 2 players simultaneously