Yeah I know it's early, but Skye has massive potential given support from her team. For example, Guiding Light, her flash attack is steerable, immune to ground attacks and plays a hit confirm if it blinds an enemy. This makes it not only useful to inflict debuffs but also to reveal the locations of enemies, even around corners. Although Trail Blazer only lasts six seconds it isn't picked up by any of Killjoy's turrets or by Raze's Boom Bot, making it a fantastic scouting tool. It also dissipates the second it is used to attack so you're not locked into it if you find yourself in a bad spot.
Her seekers are also capable of tracking Omen through teleports, Phoenix through Run Backs, and they can even break Sage's walls. Add all that and the fact that she can heal and her utility is undeniable.
All of these are still great options but Omen in particular's getaway options have been limited by Skye's inclusion.
Sage is still hanging on by a thread, being the sole Agent that can revive fallen teammates, but the introduction of another healer might be the final nail in the coffin.
Reyna might actually have a chance to overcome her massive skill barrier with some assists from Skye but her abilities are still not the most user friendly. Viper despite the many buffs still needs a lot of help, theoretically if you have encyclopedic knowledge of a map and now exactly where you need to lure players to force them into traps she can be good, but once again, she's not very user friendly.