PaperMC/paper-server/nms-patches/net/minecraft/world/item/ItemBow.patch

--- a/net/minecraft/world/item/ItemBow.java
+++ b/net/minecraft/world/item/ItemBow.java
@@ -64,6 +64,14 @@
                         if (EnchantmentManager.getItemEnchantmentLevel(Enchantments.FLAMING_ARROWS, itemstack) > 0) {
                             entityarrow.setSecondsOnFire(100);
                         }
+                        // CraftBukkit start
+                        org.bukkit.event.entity.EntityShootBowEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callEntityShootBowEvent(entityhuman, itemstack, itemstack1, entityarrow, entityhuman.getUsedItemHand(), f, !flag1);
+                        if (event.isCancelled()) {
+                            event.getProjectile().remove();
+                            return;
+                        }
+                        flag1 = !event.shouldConsumeItem();
+                        // CraftBukkit end
 
                         itemstack.hurtAndBreak(1, entityhuman, (entityhuman1) -> {
                             entityhuman1.broadcastBreakEvent(entityhuman.getUsedItemHand());
@@ -72,7 +80,16 @@
                             entityarrow.pickup = EntityArrow.PickupStatus.CREATIVE_ONLY;
                         }
 
-                        world.addFreshEntity(entityarrow);
+                        // CraftBukkit start
+                        if (event.getProjectile() == entityarrow.getBukkitEntity()) {
+                            if (!world.addFreshEntity(entityarrow)) {
+                                if (entityhuman instanceof net.minecraft.server.level.EntityPlayer) {
+                                    ((net.minecraft.server.level.EntityPlayer) entityhuman).getBukkitEntity().updateInventory();
+                                }
+                                return;
+                            }
+                        }
+                        // CraftBukkit end
                     }
 
                     world.playSound((EntityHuman) null, entityhuman.getX(), entityhuman.getY(), entityhuman.getZ(), SoundEffects.ARROW_SHOOT, SoundCategory.PLAYERS, 1.0F, 1.0F / (world.getRandom().nextFloat() * 0.4F + 1.2F) + f * 0.5F);