Paper/nms-patches/EntityProjectile.patch

--- a/net/minecraft/server/EntityProjectile.java
+++ b/net/minecraft/server/EntityProjectile.java
@@ -32,6 +32,7 @@
         this(entitytypes, entityliving.locX(), entityliving.getHeadY() - 0.10000000149011612D, entityliving.locZ(), world);
         this.shooter = entityliving;
         this.shooterId = entityliving.getUniqueID();
+        this.projectileSource = (org.bukkit.entity.LivingEntity) entityliving.getBukkitEntity(); // CraftBukkit
     }
 
     public void a(Entity entity, float f, float f1, float f2, float f3, float f4) {
@@ -83,7 +84,7 @@
                 break;
             }
 
-            if (this.shooter != null && this.ticksLived < 2 && this.ap == null) {
+            if (this.shooter != null && this.ticksLived < 2 && this.ap == null && this.shooter == entity) { // CraftBukkit - MC-88491
                 this.ap = entity;
                 this.aq = 3;
                 break;
@@ -103,6 +104,11 @@
                 this.c(((MovingObjectPositionBlock) movingobjectposition).getBlockPosition());
             } else {
                 this.a(movingobjectposition);
+                // CraftBukkit start
+                if (this.dead) {
+                    org.bukkit.craftbukkit.event.CraftEventFactory.callProjectileHitEvent(this, movingobjectposition);
+                }
+                // CraftBukkit end
             }
         }