In addition to slight adjustments to Zenyatta, the upcoming mid-cycle patch will bring balance changes for and Symmetra to shift their power away from their turrets and into the rest of their ability kit.

Source: https://gamerant.com/overwatch-2-nerf-zenyatta-balance-patch/

Outside a few characters that find themselves somewhere in the middle, like Symmetra due to her place in the shady Vishkar Corporation, most characters are either good or bad.

Source: https://gamerant.com/overwatch-2-mirror-universe-battle-pass-skin-ideas-moira-winston/