Try turning the Group Up style circular icons above teammates heads to have an arrow that moves around the icon in 2d, relative to the pinged location.
(And for locations behind the viewing player, have the ping scoot along the bottom of the screen like a discord/turret indicator is behind the player)
✅ [Concept] Radial Waypoint System
Maybe have some lines on the ground, similar to the ones that show up at the beginning of the round.