Paper/nms-patches/Block.patch

--- a/net/minecraft/server/Block.java
+++ b/net/minecraft/server/Block.java
@@ -336,7 +336,8 @@
             int j = this.getDropCount(i, world.random);
 
             for (int k = 0; k < j; ++k) {
-                if (world.random.nextFloat() <= f) {
+                // CraftBukkit - <= to < to allow for plugins to completely disable block drops from explosions
+                if (world.random.nextFloat() < f) {
                     Item item = this.getDropType(iblockdata, world.random, i);
 
                     if (item != null) {
@@ -1002,4 +1003,10 @@
             return this.getBreakSound();
         }
     }
+
+    // CraftBukkit start
+    public int getExpDrop(World world, IBlockData data, int enchantmentLevel) {
+        return 0;
+    }
+    // CraftBukkit end
 }