Attachment Indicator

When you unlock a new weapon or accessory for a weapon during a round, it is displayed briefly.
You will also see it again at the end of the round before the new round begins.

However, I usually can't remember which accessory I unlocked for which weapon.

Therefore, I think it would be useful if new weapons and accessories were displayed with an indicator that disappears after you click on it once.
That way, you wouldn't miss out on any new good accessories.