--- a/net/minecraft/server/level/ServerPlayerGameMode.java
+++ b/net/minecraft/server/level/ServerPlayerGameMode.java
@@ -351,6 +_,7 @@
                 }
                 return false;
             }
+            if (this.player.level().purpurConfig.slabHalfBreak && this.player.isShiftKeyDown() && blockState.getBlock() instanceof net.minecraft.world.level.block.SlabBlock && ((net.minecraft.world.level.block.SlabBlock) blockState.getBlock()).halfBreak(blockState, pos, this.player)) return true; // Purpur - Break individual slabs when sneaking
         }
         // CraftBukkit end
 
@@ -506,7 +_,7 @@
             boolean flag = !player.getMainHandItem().isEmpty() || !player.getOffhandItem().isEmpty();
             boolean flag1 = player.isSecondaryUseActive() && flag;
             ItemStack itemStack = stack.copy();
-            if (!flag1) {
+            if (!flag1 || (player.level().purpurConfig.composterBulkProcess && blockState.is(net.minecraft.world.level.block.Blocks.COMPOSTER))) { // Purpur - Sneak to bulk process composter
                 InteractionResult interactionResult = blockState.useItemOn(player.getItemInHand(hand), level, player, hand, hitResult);
                 if (interactionResult.consumesAction()) {
                     CriteriaTriggers.ITEM_USED_ON_BLOCK.trigger(player, blockPos, itemStack);