successfully updated it to 1.20.1

.github/workflows/build.yml

@@ -40,5 +40,5 @@ jobs:
           game_endpoint: "minecraft"
           relations: "fabric-api:requiredDependency,modmenu:optionalDependency"
           token: ${{ secrets.CF_API_TOKEN }}
-          game_version: "Minecraft 1.19:1.19.4,Java 17,Fabric,Client,Server"
+          game_versions: "Minecraft 1.20:1.20.1,Java 17,Fabric,Client,Server"
           project_id: "776484"

gradle.properties

@@ -3,16 +3,14 @@ org.gradle.jvmargs=-Xmx1G
 org.gradle.daemon=false
 # Fabric Properties
 # check these on https://fabricmc.net/develop/
-
-
-minecraft_version=1.19.4
-yarn_mappings=1.19.4+build.2
-loader_version=0.14.21
-
-#Fabric api
-fabric_version=0.82.0+1.19.4
 # Mod Properties
-mod_version=1.19.4-1.3.2
+mod_version=1.20.1-1.0.0
 maven_group=io.github.codecraftplugin
 archives_base_name=registry-lib
+#Minecraft
+minecraft_version=1.20.1
+yarn_mappings=1.20.1+build.2
+loader_version=0.14.21
 
+#Fabric api
+fabric_version=0.83.1+1.20.1

src/main/java/io/github/codecraftplugin/registrylib/RegisteryLib.java

@@ -4,14 +4,21 @@
 import net.fabricmc.api.ModInitializer;
 import net.fabricmc.fabric.api.item.v1.FabricItemSettings;
 import net.minecraft.item.*;
+import net.minecraft.registry.RegistryKey;
+import net.minecraft.registry.RegistryKeys;
+import net.minecraft.util.Identifier;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 
 public class RegisteryLib implements ModInitializer {
     public static final String  MOD_ID = "registry";
     public static final Logger LOGGER = LoggerFactory.getLogger(MOD_ID);
+    public static final RegistryKey<ItemGroup> ITEM_GROUP  = Registry.registerItemGroup("registry_item_group",MOD_ID,()-> new ItemStack(Items.CANDLE));
+
     @Override
     public void onInitialize() {
+        Item x = Registry.registerItems("test",MOD_ID,new Item(new FabricItemSettings()),ITEM_GROUP);
+
     }
 }

src/main/java/io/github/codecraftplugin/registrylib/utils/Registry.java

@@ -14,6 +14,8 @@
 import net.minecraft.fluid.FlowableFluid;
 import net.minecraft.item.*;
 import net.minecraft.registry.Registries;
+import net.minecraft.registry.RegistryKey;
+import net.minecraft.registry.RegistryKeys;
 import net.minecraft.text.Text;
 import net.minecraft.util.Identifier;
 import org.slf4j.Logger;
@@ -31,7 +33,7 @@ public class Registry {
      * @param itemGroup the item group
      * @return the item will be created and returned
      */
-    public static Item registerItems(String name, String MOD_ID, Item item, ItemGroup itemGroup){
+    public static Item registerItems(String name, String MOD_ID, Item item, RegistryKey<ItemGroup> itemGroup){
         Item createditem = net.minecraft.registry.Registry.register(Registries.ITEM,new Identifier(MOD_ID,name),item);
         addToItemGroup(itemGroup,createditem);
         return createditem;
@@ -44,7 +46,7 @@ public static Item registerItems(String name, String MOD_ID, Item item, ItemGrou
      * @param block      the block settings
      * @return the block and the block item  will be created and returned
      */
-    public static Block registerBlocks(String name, String MOD_ID, Block block, ItemGroup itemGroup){
+    public static Block registerBlocks(String name, String MOD_ID, Block block, RegistryKey<ItemGroup> itemGroup){
         registerBlockItem(name,MOD_ID,block,itemGroup);
         return net.minecraft.registry.Registry.register(Registries.BLOCK,new Identifier(MOD_ID,name),block);
     }
@@ -57,7 +59,7 @@ public static Block registerBlocks(String name, String MOD_ID, Block block, Item
      * @param itemGroup the item group that the block item will be shown
      * @return the block item without creating the block (for crops)
      */
-    public static Item registerBlockItem(String name, String MOD_ID, Block block, ItemGroup itemGroup) {
+    public static Item registerBlockItem(String name, String MOD_ID, Block block, RegistryKey<ItemGroup> itemGroup) {
         Item blockItem =  net.minecraft.registry.Registry.register(Registries.ITEM,new Identifier(MOD_ID,name),
                 new BlockItem(block,new FabricItemSettings()));
         addToItemGroup(itemGroup,blockItem);
@@ -71,9 +73,13 @@ public static Item registerBlockItem(String name, String MOD_ID, Block block, It
      * @param itemStack the item that you want to use as the icon as an item stack e.g. new ItemStack(Items.APPLE);
      * @return the item group
      */
-    public static ItemGroup registerItemGroup(String name, String MOD_ID, Supplier<ItemStack> itemStack){
-        String formattedName = name.substring(0, 1).toUpperCase() + name.substring(1).toLowerCase();
-        return FabricItemGroup.builder(new Identifier(MOD_ID,name)).displayName(Text.literal(formattedName)).icon(itemStack).build();
+    public static RegistryKey<ItemGroup> registerItemGroup(String name, String MOD_ID, Supplier<ItemStack> itemStack){
+        String displayName = formatString(name);
+        RegistryKey<ItemGroup> customItemGroup = RegistryKey.of(RegistryKeys.ITEM_GROUP,new Identifier(MOD_ID,name));
+        net.minecraft.registry.Registry.register(Registries.ITEM_GROUP, customItemGroup, FabricItemGroup.builder()
+                .icon(itemStack).displayName(Text.literal(displayName)).build());
+
+        return customItemGroup;
     }
     //Adds Group to the items created
 
@@ -82,7 +88,7 @@ public static ItemGroup registerItemGroup(String name, String MOD_ID, Supplier<I
      * @param group reference of the item Group
      * @param item reference of the item
      */
-    public static void addToItemGroup(ItemGroup group, Item item) {
+    public static void addToItemGroup(RegistryKey<ItemGroup> group, Item item) {
         ItemGroupEvents.modifyEntriesEvent(group).register(entries -> entries.add(item));
     }
     /**
@@ -175,5 +181,19 @@ public static <I extends Item> I registerEgg(I item, Identifier name) {
         }
         return null;
     }
-
+
+    private static String formatString(String input) {
+        String[] words = input.split("_");
+        StringBuilder result = new StringBuilder();
+
+        for (String word : words) {
+            if (!word.isEmpty()) {
+                String formattedWord = word.substring(0, 1).toUpperCase() + word.substring(1).toLowerCase();
+                result.append(formattedWord).append(" ");
+            }
+        }
+
+        return result.toString().trim();
+    }
+
 }

src/main/resources/fabric.mod.json

@@ -24,6 +24,6 @@
   "depends": {
     "fabricloader": ">=0.14.8",
     "fabric": "*",
-    "minecraft": "1.19.x"
+    "minecraft": "1.20.x"
   }
 }