I have idea for mod but i don`t know to code and i will drop it here maybe some good person know somebody who know somebody who will try to make it.
1. Ability to quick change arrow type on bow with gui like PSI spell change or similar.
2. Quiver with some slots for arrows that show remaining arrows.
3. Use nuggets for crafting better arrows (more dmg, speed, distance etc.)
4. craft recipes for different arrows like: use with torch to make arrow place torch when hit block, craft with water bottle to place water source on impact, craft with gun powder to explode on hit, craft with blaze to start fire, or craft with string when hit to make 3x3x3 cobweb cube etc..