Wraith Buff
I've been playing Wraith since I've started playing Apex, and overall, i quite like her character and her skills. and by no means am i a expert player.
On paper, her skills seem really useful. Her passive notifies when she's being aimed at, and her ULT allows her to place portals for her teammates, and her Tact allows her to reposition silently to flank enemies. That's on paper though. In practice more often than not i find i'm not using her skills set as often as i would if i was playing other legends.
Of course, you have to take in account that any characters skills can be extremely awful or extremely powerful depending on who's playing them.
In my opinion, compared to the legends we have now, Wraith's Skills just doesn't compete against her peers. They are too weak, So here is what i'd change to make them more enjoyable and entice the player to use them more often.
Her passive should change to automatically warning the squad that she's being aimed at instead of having to press H manually. For the player specifically playing Wraith though, on the HUD we should get some type of arrow or visual cue that gives the player a *very* rough location of the enemy that aimed at her. If the voices in our head can let us know we are being aimed at, i don't see how we couldn't get at least a very rough estimate on the location as well.
Her Tactical i wouldn't change too much, other then making the ability last longer, Make it so your able to see short blips of "ghosts" of enemies so you at least know their general positioning. and tone down the trail so it's not broadcasting to the whole world where your going to pop out at.
Her ULT though, i have two thoughts on it. On one hand, i think they should completely remove it in favor of something more useful, my idea for it would be an ULT that allows Wraith to teleport in a set radius. This ULT i'd consider High Risk-High Reward and fits perfectly with the ULT mechanic. Sure it sounds really OP, but the Wraith player is teleporting away from teammates and away from any chance of rescue/help should anything go wrong. But if used correctly, the player could cause enough havoc that allows the rest of the squad to push up.
OR
They could change her existing ULT, so when activated, the ULT gives a speed boost, and a buff to damage reduction.
That's just my personal opinion though. And I am by no means an expert Apex player and welcome any construcive critisim