1.17.1-pre2

api/src/main/java/com/viaversion/viaversion/api/protocol/version/ProtocolVersion.java

@@ -77,7 +77,7 @@ public class ProtocolVersion {
     public static final ProtocolVersion v1_16_3 = register(753, "1.16.3");
     public static final ProtocolVersion v1_16_4 = register(754, "1.16.4/5", new VersionRange("1.16", 4, 5));
     public static final ProtocolVersion v1_17 = register(755, "1.17");
-    public static final ProtocolVersion v1_17_1 = register(756, 36, "1.17.1");
+    public static final ProtocolVersion v1_17_1 = register(756, 37, "1.17.1");
     public static final ProtocolVersion unknown = register(-1, "UNKNOWN");
 
     public static ProtocolVersion register(int version, String name) {

common/src/main/java/com/viaversion/viaversion/protocols/protocol1_17to1_16_4/packets/WorldPackets.java

@@ -109,7 +109,7 @@ public final class WorldPackets {
 
             private void writeLightArrays(PacketWrapper wrapper, int bitMask) throws Exception {
                 List<byte[]> light = new ArrayList<>();
-                for (int i = 0; i <= 17; i++) {
+                for (int i = 0; i < 18; i++) {
                     if (isSet(bitMask, i)) {
                         light.add(wrapper.read(Type.BYTE_ARRAY_PRIMITIVE));
                     }

gradle.properties

@@ -1,5 +1,5 @@
 # Project properties - we put these here so they can be modified without causing a recompile of the build scripts
-projectVersion=4.0.1-1.17.1-pre1-SNAPSHOT
+projectVersion=4.0.1-1.17.1-pre2-SNAPSHOT
 
 # Gradle properties
 org.gradle.daemon=true