My thoughts of balance change (what if)

What if change shotgun bullet spread that bullets
are gradually gathered to centre more (like : :: ::: :: : )
Increase Moira’s max gas tank by 10%
Mercy’s healing will gradually increase from 50 to 60 like Symmetra’s beam
Symmetra’s beam gets to lvl 2 faster but to lvl 3 slower
Increase a little Mei’s blaster spread, but make little shorter
Roadhog moves 10% faster while using Breather
Soldier 76’s Rifle spread recover goes faster
Reduce Brigitte’s Rally armour per second to 11
Make Widowmaker’s scope charge speed slower to 0.83
Increase Junkrat’s Ammo to 6
Reaper disappear by Shadow Step 0.3 sec faster but needs 0.3 sec more to reappear
Reduce Torbjorn’s overload cd by 1.2 sec

The endorsement will influence to team balance system in competitive

I like the idea for Roadhog, like a passive called Adrenaline or something

So basically Hog goes from vaping to huffing amyl nitrate? (poppers)