Picking up Arrows should not make enough noise to attract enemies.
Adjustment to the Bow ADS Sensitivity to match the MP / to match Assault Scope ADS sensitivity.
Alerted enemies should not magically know when one of their number has been killed if it happens outside of their FOV. That happens too often.
Pressing D-Pad left when having the bow equipped should switch between regular arrows and the special arrow type selected via the customization menu, like it is in Multiplayer.
... tbc when necessary...