@poma123 for the rescue

src/main/java/io/github/thebusybiscuit/slimefun4/api/MinecraftVersion.java

@@ -50,7 +50,7 @@ public enum MinecraftVersion {
      */
     UNIT_TEST("Unit Test Environment");
 
-    public static final MinecraftVersion[] values = values();
+    public static final MinecraftVersion[] valuesCache = values();
 
     private final String name;
     private final String prefix;

src/main/java/io/github/thebusybiscuit/slimefun4/api/player/PlayerBackpack.java

@@ -28,13 +28,14 @@ import io.github.thebusybiscuit.slimefun4.implementation.listeners.BackpackListe
  */
 public class PlayerBackpack {
 
+    private static final String CONFIG_PREFIX = "backpacks.";
+
     private final PlayerProfile profile;
     private final int id;
     private final Config cfg;
 
     private Inventory inventory;
     private int size;
-    private static final String CONFIG_PREFIX = "backpacks.";
 
     /**
      * This constructor loads an existing Backpack

src/main/java/io/github/thebusybiscuit/slimefun4/core/guide/SlimefunGuideLayout.java

@@ -31,6 +31,6 @@ public enum SlimefunGuideLayout {
      */
     CHEAT_SHEET;
 
-    public static final SlimefunGuideLayout[] values = values();
+    public static final SlimefunGuideLayout[] valuesCache = values();
 
 }

src/main/java/io/github/thebusybiscuit/slimefun4/core/guide/options/GuideLayoutOption.java

@@ -101,7 +101,7 @@ class GuideLayoutOption implements SlimefunGuideOption<SlimefunGuideLayout> {
 
     @Override
     public Optional<SlimefunGuideLayout> getSelectedOption(Player p, ItemStack guide) {
-        for (SlimefunGuideLayout layout : SlimefunGuideLayout.values) {
+        for (SlimefunGuideLayout layout : SlimefunGuideLayout.valuesCache) {
             if (SlimefunUtils.isItemSimilar(guide, SlimefunGuide.getItem(layout), true, false)) {
                 return Optional.of(layout);
             }

src/main/java/io/github/thebusybiscuit/slimefun4/core/services/localization/SlimefunLocalization.java

@@ -85,7 +85,7 @@ public abstract class SlimefunLocalization extends Localization implements Keyed
     protected abstract void addLanguage(@Nonnull String id, @Nonnull String texture);
 
     protected void loadEmbeddedLanguages() {
-        for (SupportedLanguage lang : SupportedLanguage.values) {
+        for (SupportedLanguage lang : SupportedLanguage.valuesCache) {
             if (lang.isReadyForRelease() || SlimefunPlugin.getUpdater().getBranch() != SlimefunBranch.STABLE) {
                 addLanguage(lang.getLanguageId(), lang.getTexture());
             }

src/main/java/io/github/thebusybiscuit/slimefun4/core/services/localization/SupportedLanguage.java

@@ -58,7 +58,7 @@ enum SupportedLanguage {
     MACEDONIAN("mk", false, "a0e0b0b5d87a855466980a101a757bcdb5f77d9f7287889f3efa998ee0472fc0"),
     TAGALOG("tl", true, "9306c0c1ce6a9c61bb42a572c49e6d0ed20e0e6b3d122cc64c339cbf78e9e937");
 
-    public static final SupportedLanguage[] values = values();
+    public static final SupportedLanguage[] valuesCache = values();
 
     private final String id;
     private final boolean releaseReady;

src/main/java/io/github/thebusybiscuit/slimefun4/core/services/profiler/PerformanceRating.java

@@ -31,7 +31,7 @@ public enum PerformanceRating implements Predicate<Float> {
     HURTFUL(ChatColor.DARK_RED, 500),
     BAD(ChatColor.DARK_RED, Float.MAX_VALUE);
 
-    public static final PerformanceRating[] values = values();
+    public static final PerformanceRating[] valuesCache = values();
 
     private final ChatColor color;
     private final float threshold;

src/main/java/io/github/thebusybiscuit/slimefun4/core/services/profiler/SlimefunProfiler.java

@@ -297,7 +297,7 @@ public class SlimefunProfiler {
     public PerformanceRating getPerformance() {
         float percentage = getPercentageOfTick();
 
-        for (PerformanceRating rating : PerformanceRating.values) {
+        for (PerformanceRating rating : PerformanceRating.valuesCache) {
             if (rating.test(percentage)) {
                 return rating;
             }

src/main/java/io/github/thebusybiscuit/slimefun4/implementation/SlimefunPlugin.java

@@ -318,7 +318,7 @@ public final class SlimefunPlugin extends JavaPlugin implements SlimefunAddon {
         String currentVersion = ReflectionUtils.getVersion();
 
         if (currentVersion.startsWith("v")) {
-            for (MinecraftVersion version : MinecraftVersion.values) {
+            for (MinecraftVersion version : MinecraftVersion.valuesCache) {
                 if (version.matches(currentVersion)) {
                     minecraftVersion = version;
                     return false;
@@ -345,7 +345,7 @@ public final class SlimefunPlugin extends JavaPlugin implements SlimefunAddon {
     private Collection<String> getSupportedVersions() {
         List<String> list = new ArrayList<>();
 
-        for (MinecraftVersion version : MinecraftVersion.values) {
+        for (MinecraftVersion version : MinecraftVersion.valuesCache) {
             if (version != MinecraftVersion.UNKNOWN) {
                 list.add(version.getName());
             }
@@ -498,7 +498,7 @@ public final class SlimefunPlugin extends JavaPlugin implements SlimefunAddon {
     }
 
     private void loadTags() {
-        for (SlimefunTag tag : SlimefunTag.values) {
+        for (SlimefunTag tag : SlimefunTag.valuesCache) {
             try {
                 tag.reload();
             }

src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/androids/Instruction.java

@@ -146,10 +146,10 @@ enum Instruction {
     });
 
     private static final Map<String, Instruction> nameLookup = new HashMap<>();
-    public static final Instruction[] values = values();
+    public static final Instruction[] valuesCache = values();
 
     static {
-        for (Instruction instruction : values) {
+        for (Instruction instruction : valuesCache) {
             nameLookup.put(instruction.name(), instruction);
         }
     }

src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/androids/ProgrammableAndroid.java

@@ -502,7 +502,7 @@ public class ProgrammableAndroid extends SlimefunItem implements InventoryBlock,
     protected List<Instruction> getValidScriptInstructions() {
         List<Instruction> list = new ArrayList<>();
 
-        for (Instruction part : Instruction.values) {
+        for (Instruction part : Instruction.valuesCache) {
             if (part == Instruction.START || part == Instruction.REPEAT) {
                 continue;
             }

src/main/java/io/github/thebusybiscuit/slimefun4/utils/HeadTexture.java

@@ -109,7 +109,7 @@ public enum HeadTexture {
     IRON_GOLEM("89091d79ea0f59ef7ef94d7bba6e5f17f2f7d4572c44f90f76c4819a714"),
     PIGLIN_HEAD("2882af1294a74023e6919a31d1a027310f2e142afb4667d230d155e7f21dbb41");
 
-    public static final HeadTexture[] values = values();
+    public static final HeadTexture[] valuesCache = values();
 
     private final String texture;
 
@@ -123,6 +123,7 @@ public enum HeadTexture {
      * 
      * @return The associated texture hash
      */
+    @Nonnull
     public String getTexture() {
         return texture;
     }
@@ -132,6 +133,7 @@ public enum HeadTexture {
      * 
      * @return A custom head {@link ItemStack}
      */
+    @Nonnull
     public ItemStack getAsItemStack() {
         return SlimefunUtils.getCustomHead(getTexture());
     }

src/main/java/io/github/thebusybiscuit/slimefun4/utils/tags/SlimefunTag.java

@@ -164,7 +164,7 @@ public enum SlimefunTag implements Tag<Material> {
      * All <strong>weak</strong> materials which the {@link ClimbingPick} is able to climb.
      */
     CLIMBING_PICK_WEAK_SURFACES,
-    
+
     /**
      * This {@link SlimefunTag} holds all surfaces for the {@link ClimbingPick}.
      * This is an aggregation of {@code CLIMBING_PICK_STRONG_SURFACES} and {@code CLIMBING_PICK_WEAK_SURFACES}
@@ -177,10 +177,10 @@ public enum SlimefunTag implements Tag<Material> {
     CAVEMAN_TALISMAN_TRIGGERS;
 
     private static final Map<String, SlimefunTag> nameLookup = new HashMap<>();
-    public static final SlimefunTag[] values = values();
+    public static final SlimefunTag[] valuesCache = values();
 
     static {
-        for (SlimefunTag tag : values) {
+        for (SlimefunTag tag : valuesCache) {
             nameLookup.put(tag.name(), tag);
         }
     }
@@ -214,6 +214,12 @@ public enum SlimefunTag implements Tag<Material> {
         });
     }
 
+    public static void reloadAll() throws TagMisconfigurationException {
+        for (SlimefunTag tag : valuesCache) {
+            tag.reload();
+        }
+    }
+
     @Nonnull
     @Override
     public NamespacedKey getKey() {

src/test/java/io/github/thebusybiscuit/slimefun4/testing/tests/items/implementations/tools/TestClimbingPick.java

@@ -55,15 +55,6 @@ class TestClimbingPick implements SlimefunItemTest<ClimbingPick> {
 
     @Override
     public ClimbingPick registerSlimefunItem(SlimefunPlugin plugin, String id) {
-        try {
-            TestUtilities.registerDefaultTags(server);
-            SlimefunTag.CLIMBING_PICK_WEAK_SURFACES.reload();
-            SlimefunTag.CLIMBING_PICK_STRONG_SURFACES.reload();
-        }
-        catch (TagMisconfigurationException e) {
-            Assertions.fail(e);
-        }
-
         SlimefunItemStack item = new SlimefunItemStack(id, Material.IRON_PICKAXE, "&5Test Pick", id);
         ClimbingPick pick = new ClimbingPick(TestUtilities.getCategory(plugin, "climbing_pick"), item, RecipeType.NULL, new ItemStack[9]) {
 
@@ -93,7 +84,7 @@ class TestClimbingPick implements SlimefunItemTest<ClimbingPick> {
 
     private static Stream<Arguments> getStrongSurfaces() throws TagMisconfigurationException {
         TestUtilities.registerDefaultTags(server);
-        SlimefunTag.CLIMBING_PICK_STRONG_SURFACES.reload();
+        SlimefunTag.reloadAll();
         return SlimefunTag.CLIMBING_PICK_STRONG_SURFACES.getValues().stream().map(Arguments::of);
     }
 
@@ -111,7 +102,7 @@ class TestClimbingPick implements SlimefunItemTest<ClimbingPick> {
 
     private static Stream<Arguments> getWeakSurfaces() throws TagMisconfigurationException {
         TestUtilities.registerDefaultTags(server);
-        SlimefunTag.CLIMBING_PICK_WEAK_SURFACES.reload();
+        SlimefunTag.reloadAll();
         return SlimefunTag.CLIMBING_PICK_WEAK_SURFACES.getValues().stream().map(Arguments::of);
     }
 

src/test/java/io/github/thebusybiscuit/slimefun4/testing/tests/listeners/TestBackpackListener.java

@@ -55,10 +55,7 @@ class TestBackpackListener {
         server = MockBukkit.mock();
         TestUtilities.registerDefaultTags(server);
         plugin = MockBukkit.load(SlimefunPlugin.class);
-
-        for (SlimefunTag tag : SlimefunTag.values) {
-            tag.reload();
-        }
+        SlimefunTag.reloadAll();
 
         listener = new BackpackListener();
         listener.register(plugin);

src/test/java/io/github/thebusybiscuit/slimefun4/testing/tests/tags/TestSlimefunTags.java

@@ -46,9 +46,7 @@ class TestSlimefunTags {
     @Test
     @DisplayName("Test for infinite loops with Slimefun Tags")
     void testForInfiniteLoops() throws TagMisconfigurationException {
-        for (SlimefunTag tag : SlimefunTag.values()) {
-            tag.reload();
-        }
+        SlimefunTag.reloadAll();
 
         for (SlimefunTag tag : SlimefunTag.values()) {
             assertNotCyclic(tag);
@@ -58,9 +56,7 @@ class TestSlimefunTags {
     @Test
     @DisplayName("Test SlimefunTag#isTagged()")
     void testIsTagged() throws TagMisconfigurationException {
-        for (SlimefunTag tag : SlimefunTag.values()) {
-            tag.reload();
-        }
+        SlimefunTag.reloadAll();
 
         // Direct inclusion
         Assertions.assertTrue(SlimefunTag.SENSITIVE_MATERIALS.isTagged(Material.CAKE));
@@ -75,9 +71,7 @@ class TestSlimefunTags {
     @Test
     @DisplayName("Test SlimefunTag#toArray()")
     void testToArray() throws TagMisconfigurationException {
-        for (SlimefunTag tag : SlimefunTag.values()) {
-            tag.reload();
-        }
+        SlimefunTag.reloadAll();
 
         for (SlimefunTag tag : SlimefunTag.values()) {
             Set<Material> values = tag.getValues();
@@ -88,9 +82,7 @@ class TestSlimefunTags {
     @Test
     @DisplayName("Test SlimefunTag#getValues()")
     void testGetValues() throws TagMisconfigurationException {
-        for (SlimefunTag tag : SlimefunTag.values()) {
-            tag.reload();
-        }
+        SlimefunTag.reloadAll();
 
         for (SlimefunTag tag : SlimefunTag.values()) {
             Set<Material> values = tag.getValues();
@@ -119,8 +111,6 @@ class TestSlimefunTags {
         Assertions.assertEquals(SlimefunTag.SHULKER_BOXES, SlimefunTag.getTag("SHULKER_BOXES"));
         Assertions.assertNull(SlimefunTag.getTag("hello"));
         Assertions.assertThrows(IllegalArgumentException.class, () -> SlimefunTag.getTag(null));
-
-        Assertions.assertArrayEquals(SlimefunTag.values(), SlimefunTag.values);
     }
 
     private void assertNotCyclic(@Nonnull SlimefunTag tag) {

src/test/java/io/github/thebusybiscuit/slimefun4/testing/tests/utils/TestHeadTextures.java

@@ -16,7 +16,7 @@ class TestHeadTextures {
     void testForDuplicates() {
         Set<String> textures = new HashSet<>();
 
-        for (HeadTexture head : HeadTexture.values) {
+        for (HeadTexture head : HeadTexture.valuesCache) {
             String texture = head.getTexture();
             Assertions.assertNotNull(texture);