diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/command/Command.java b/LaunchServer/src/main/java/pro/gravit/launchserver/command/Command.java
index e7daa403..e2fdd2cf 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/command/Command.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/command/Command.java
@@ -4,8 +4,11 @@
 import me.tongfei.progressbar.ProgressBarBuilder;
 import me.tongfei.progressbar.ProgressBarStyle;
 import pro.gravit.launcher.AsyncDownloader;
+import pro.gravit.launcher.Launcher;
+import pro.gravit.launcher.profiles.ClientProfile;
 import pro.gravit.launchserver.LaunchServer;
 import pro.gravit.utils.Downloader;
+import pro.gravit.utils.command.CommandException;
 
 import java.io.IOException;
 import java.nio.file.Path;
@@ -29,6 +32,13 @@ public Command(Map<String, pro.gravit.utils.command.Command> childCommands, Laun
         this.server = server;
     }
 
+    protected ClientProfile.Version parseClientVersion(String arg) throws CommandException {
+        if(arg.isEmpty()) {
+            throw new CommandException("ClientVersion can't be empty");
+        }
+        return Launcher.gsonManager.gson.fromJson(arg, ClientProfile.Version.class);
+    }
+
     protected boolean showApplyDialog(String text) throws IOException {
         System.out.printf("%s [Y/N]:", text);
         String response = server.commandHandler.readLine().toLowerCase(Locale.ROOT);
diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/command/hash/DownloadClientCommand.java b/LaunchServer/src/main/java/pro/gravit/launchserver/command/hash/DownloadClientCommand.java
index 942be0c2..09922041 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/command/hash/DownloadClientCommand.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/command/hash/DownloadClientCommand.java
@@ -5,6 +5,7 @@
 import org.apache.logging.log4j.Logger;
 import pro.gravit.launcher.Launcher;
 import pro.gravit.launcher.profiles.ClientProfile;
+import pro.gravit.launcher.profiles.ClientProfileVersions;
 import pro.gravit.launchserver.LaunchServer;
 import pro.gravit.launchserver.command.Command;
 import pro.gravit.launchserver.helper.MakeProfileHelper;
@@ -81,9 +82,9 @@ public void invoke(String... args) throws IOException, CommandException {
                 if (internalVersion.contains("-")) {
                     internalVersion = internalVersion.substring(0, versionName.indexOf('-'));
                 }
-                ClientProfile.Version version = ClientProfile.Version.byName(internalVersion);
-                if (version.compareTo(ClientProfile.Version.MC164) <= 0) {
-                    logger.warn("Minecraft 1.6.4 and below not supported. Use at your own risk");
+                ClientProfile.Version version = ClientProfile.Version.of(internalVersion);
+                if (version.compareTo(ClientProfileVersions.MINECRAFT_1_7_10) <= 0) {
+                    logger.warn("Minecraft 1.7.9 and below not supported. Use at your own risk");
                 }
                 MakeProfileHelper.MakeProfileOption[] options = MakeProfileHelper.getMakeProfileOptionsFromDir(clientDir, version, Files.exists(server.updatesDir.resolve("assets")));
                 for (MakeProfileHelper.MakeProfileOption option : options) {
diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/command/hash/MakeProfileCommand.java b/LaunchServer/src/main/java/pro/gravit/launchserver/command/hash/MakeProfileCommand.java
index 8d70af88..98997e04 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/command/hash/MakeProfileCommand.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/command/hash/MakeProfileCommand.java
@@ -32,12 +32,12 @@ public String getUsageDescription() {
     @Override
     public void invoke(String... args) throws Exception {
         verifyArgs(args, 3);
-        ClientProfile.Version version = ClientProfile.Version.byName(args[1]);
+        ClientProfile.Version version = parseClientVersion(args[1]);
         MakeProfileHelper.MakeProfileOption[] options = MakeProfileHelper.getMakeProfileOptionsFromDir(server.updatesDir.resolve(args[2]), version, Files.exists(server.updatesDir.resolve("assets")));
         for (MakeProfileHelper.MakeProfileOption option : options) {
             logger.info("Detected option {}", option);
         }
-        ClientProfile profile = MakeProfileHelper.makeProfile(ClientProfile.Version.byName(args[1]), args[0], options);
+        ClientProfile profile = MakeProfileHelper.makeProfile(version, args[0], options);
         try (Writer writer = IOHelper.newWriter(server.profilesDir.resolve(args[0].concat(".json")))) {
             Launcher.gsonManager.configGson.toJson(profile, writer);
         }
diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/command/service/SecurityCheckCommand.java b/LaunchServer/src/main/java/pro/gravit/launchserver/command/service/SecurityCheckCommand.java
index 114a054b..e9ef4cb4 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/command/service/SecurityCheckCommand.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/command/service/SecurityCheckCommand.java
@@ -169,7 +169,7 @@ public void invoke(String... args) {
                             bad = true;
                         }
                     } else {
-                        if (nextToken.equals("memory_repo") || nextToken.equals(profile.getVersion().name)) {
+                        if (nextToken.equals("memory_repo") || nextToken.equals(profile.getVersion().toString())) {
                             printCheckResult(profileModuleName, String.format("updateExclusions %s not safe. Cheats may be injected very easy!", exc), false);
                             bad = true;
                         }
diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/helper/MakeProfileHelper.java b/LaunchServer/src/main/java/pro/gravit/launchserver/helper/MakeProfileHelper.java
index dc270962..bb03de78 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/helper/MakeProfileHelper.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/helper/MakeProfileHelper.java
@@ -2,6 +2,7 @@
 
 import pro.gravit.launcher.profiles.ClientProfile;
 import pro.gravit.launcher.profiles.ClientProfileBuilder;
+import pro.gravit.launcher.profiles.ClientProfileVersions;
 import pro.gravit.launcher.profiles.optional.OptionalFile;
 import pro.gravit.launcher.profiles.optional.actions.OptionalActionFile;
 import pro.gravit.launcher.profiles.optional.actions.OptionalActionJvmArgs;
@@ -16,14 +17,14 @@
 public class MakeProfileHelper {
     public static ClientProfile makeProfile(ClientProfile.Version version, String title, MakeProfileOption... options) {
         ClientProfileBuilder builder = new ClientProfileBuilder();
-        builder.setVersion(version.name);
+        builder.setVersion(version);
         builder.setDir(title);
         if (findOption(options, MakeProfileOptionGlobalAssets.class).isPresent()) {
             builder.setAssetDir("assets");
         } else {
-            builder.setAssetDir("asset" + version.name);
+            builder.setAssetDir("asset" + version.toCleanString());
         }
-        builder.setAssetIndex(version.name);
+        builder.setAssetIndex(version.toString());
         builder.setInfo("Информация о сервере");
         builder.setTitle(title);
         builder.setUuid(UUID.randomUUID());
@@ -35,7 +36,7 @@ public static ClientProfile makeProfile(ClientProfile.Version version, String ti
             List<String> classPath = new ArrayList<>(5);
             classPath.add("libraries");
             classPath.add("minecraft.jar");
-            if (version.compareTo(ClientProfile.Version.MC1122) <= 0) {
+            if (version.compareTo(ClientProfileVersions.MINECRAFT_1_12_2) <= 0) {
                 findOption(options, MakeProfileOptionForge.class).ifPresent(e -> classPath.add("forge.jar"));
                 findOption(options, MakeProfileOptionLiteLoader.class).ifPresent(e -> classPath.add("liteloader.jar"));
             }
@@ -46,20 +47,20 @@ public static ClientProfile makeProfile(ClientProfile.Version version, String ti
         Set<OptionalFile> optionals = new HashSet<>();
         jvmArgs.add("-XX:+DisableAttachMechanism");
         // Official Mojang launcher java arguments
-        if (version.compareTo(ClientProfile.Version.MC112) <= 0) {
+        if (version.compareTo(ClientProfileVersions.MINECRAFT_1_12_2) <= 0) {
             jvmArgs.add("-XX:+UseConcMarkSweepGC");
             jvmArgs.add("-XX:+CMSIncrementalMode");
-        } else if (version.compareTo(ClientProfile.Version.MC118) <= 0) { // 1.13 - 1.16.5
+        } else if (version.compareTo(ClientProfileVersions.MINECRAFT_1_18) <= 0) { // 1.13 - 1.16.5
             jvmArgs.add("-XX:+UseG1GC");
             jvmArgs.add("-XX:+UnlockExperimentalVMOptions");
         } else { // 1.18+
-            jvmArgs.add("-XX:+UseShenandoahGC");
-            jvmArgs.add("-XX:+UnlockExperimentalVMOptions");
+            //jvmArgs.add("-XX:+UseShenandoahGC");
+            //jvmArgs.add("-XX:+UnlockExperimentalVMOptions");
         }
         // -----------
         Optional<MakeProfileOptionForge> forge = findOption(options, MakeProfileOptionForge.class);
         Optional<MakeProfileOptionFabric> fabric = findOption(options, MakeProfileOptionFabric.class);
-        if (version.compareTo(ClientProfile.Version.MC1122) > 0) {
+        if (version.compareTo(ClientProfileVersions.MINECRAFT_1_12_2) > 0) {
             jvmArgs.add("-Djava.library.path=natives");
             OptionalFile optionalMacOs = new OptionalFile();
             optionalMacOs.name = "MacOSArgs";
@@ -112,16 +113,16 @@ public static ClientProfile makeProfile(ClientProfile.Version version, String ti
             if (log4jOption.logFile != null) {
                 jvmArgs.add("-Dlog4j.configurationFile=".concat(logFile.get().logFile));
             } else if (log4jOption.affected) {
-                if (version.compareTo(ClientProfile.Version.MC117) >= 0 && version.compareTo(ClientProfile.Version.MC118) < 0) {
+                if (version.compareTo(ClientProfileVersions.MINECRAFT_1_17) >= 0 && version.compareTo(ClientProfileVersions.MINECRAFT_1_18) < 0) {
                     jvmArgs.add("-Dlog4j2.formatMsgNoLookups=true");
                 }
             }
         }
-        if (version.compareTo(ClientProfile.Version.MC117) >= 0 && version.compareTo(ClientProfile.Version.MC118) < 0) {
+        if (version.compareTo(ClientProfileVersions.MINECRAFT_1_17) >= 0 && version.compareTo(ClientProfileVersions.MINECRAFT_1_18) < 0) {
             builder.setMinJavaVersion(16);
             builder.setRecommendJavaVersion(16);
         }
-        if (version.compareTo(ClientProfile.Version.MC118) >= 0) {
+        if (version.compareTo(ClientProfileVersions.MINECRAFT_1_18) >= 0) {
             builder.setMinJavaVersion(17);
             builder.setRecommendJavaVersion(17);
         }
@@ -137,22 +138,22 @@ public static ClientProfile makeProfile(ClientProfile.Version version, String ti
             }
             if (forge.isPresent()) {
                 clientArgs.add("--tweakClass");
-                if (version.compareTo(ClientProfile.Version.MC1710) > 0) {
+                if (version.compareTo(ClientProfileVersions.MINECRAFT_1_7_10) > 0) {
                     clientArgs.add("net.minecraftforge.fml.common.launcher.FMLTweaker");
                 } else {
                     clientArgs.add("cpw.mods.fml.common.launcher.FMLTweaker");
                 }
-                if (version.compareTo(ClientProfile.Version.MC1122) <= 0) {
+                if (version.compareTo(ClientProfileVersions.MINECRAFT_1_12_2) <= 0) {
                     builder.setMinJavaVersion(8);
                     builder.setRecommendJavaVersion(8);
                     builder.setMaxJavaVersion(8);
                 }
             }
-        } else if (version.compareTo(ClientProfile.Version.MC1122) > 0) {
+        } else if (version.compareTo(ClientProfileVersions.MINECRAFT_1_12_2) > 0) {
             if (forge.isPresent()) {
                 clientArgs.addAll(forge.get().makeClientArgs());
                 builder.setClassLoaderConfig(ClientProfile.ClassLoaderConfig.AGENT);
-                if (version.compareTo(ClientProfile.Version.MC1165) <= 0) {
+                if (version.compareTo(ClientProfileVersions.MINECRAFT_1_16_5) <= 0) {
                     builder.setMaxJavaVersion(15);
                 }
             }
@@ -171,7 +172,7 @@ public static String getMainClassByVersion(ClientProfile.Version version, MakePr
         if (findOption(options, MakeProfileOptionLaunchWrapper.class).isPresent()) {
             return "net.minecraft.launchwrapper.Launch";
         }
-        if (findOption(options, MakeProfileOptionForge.class).isPresent() && version.compareTo(ClientProfile.Version.MC1122) > 0) {
+        if (findOption(options, MakeProfileOptionForge.class).isPresent() && version.compareTo(ClientProfileVersions.MINECRAFT_1_12_2) > 0) {
             return "cpw.mods.modlauncher.Launcher";
         }
         if (findOption(options, MakeProfileOptionFabric.class).isPresent()) {
@@ -206,7 +207,7 @@ public static MakeProfileOption[] getMakeProfileOptionsFromDir(Path dir, ClientP
         if (Files.exists(dir.resolve("forge.jar"))) {
             options.add(new MakeProfileOptionForge());
         } else if (Files.exists(dir.resolve("libraries/net/minecraftforge/forge"))) {
-            if (version.compareTo(ClientProfile.Version.MC1122) > 0) {
+            if (version.compareTo(ClientProfileVersions.MINECRAFT_1_12_2) > 0) {
                 options.add(new MakeProfileOptionForge(dir));
             } else {
                 options.add(new MakeProfileOptionForge());
diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/manangers/LaunchServerGsonManager.java b/LaunchServer/src/main/java/pro/gravit/launchserver/manangers/LaunchServerGsonManager.java
index 430f2819..106abb2d 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/manangers/LaunchServerGsonManager.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/manangers/LaunchServerGsonManager.java
@@ -5,6 +5,7 @@
 import pro.gravit.launcher.events.request.GetAvailabilityAuthRequestEvent;
 import pro.gravit.launcher.managers.GsonManager;
 import pro.gravit.launcher.modules.events.PreGsonPhase;
+import pro.gravit.launcher.profiles.ClientProfile;
 import pro.gravit.launcher.profiles.optional.actions.OptionalAction;
 import pro.gravit.launcher.profiles.optional.triggers.OptionalTrigger;
 import pro.gravit.launcher.request.JsonResultSerializeAdapter;
@@ -35,6 +36,7 @@ public void registerAdapters(GsonBuilder builder) {
         builder.registerTypeAdapterFactory(RecordTypeAdapterFactory.builder()
                 .allowMissingComponentValues()
                 .create());
+        builder.registerTypeAdapter(ClientProfile.Version.class, new ClientProfile.Version.GsonSerializer());
         builder.registerTypeAdapter(TextureProvider.class, new UniversalJsonAdapter<>(TextureProvider.providers));
         builder.registerTypeAdapter(AuthCoreProvider.class, new UniversalJsonAdapter<>(AuthCoreProvider.providers));
         builder.registerTypeAdapter(PasswordVerifier.class, new UniversalJsonAdapter<>(PasswordVerifier.providers));
diff --git a/Launcher/src/main/java/pro/gravit/launcher/client/ClientLauncherEntryPoint.java b/Launcher/src/main/java/pro/gravit/launcher/client/ClientLauncherEntryPoint.java
index 0817567f..285e94a2 100644
--- a/Launcher/src/main/java/pro/gravit/launcher/client/ClientLauncherEntryPoint.java
+++ b/Launcher/src/main/java/pro/gravit/launcher/client/ClientLauncherEntryPoint.java
@@ -16,6 +16,7 @@
 import pro.gravit.launcher.modules.events.OfflineModeEvent;
 import pro.gravit.launcher.modules.events.PreConfigPhase;
 import pro.gravit.launcher.profiles.ClientProfile;
+import pro.gravit.launcher.profiles.ClientProfileVersions;
 import pro.gravit.launcher.profiles.optional.actions.OptionalAction;
 import pro.gravit.launcher.profiles.optional.actions.OptionalActionClassPath;
 import pro.gravit.launcher.profiles.optional.actions.OptionalActionClientArgs;
@@ -290,7 +291,7 @@ public static Stream<Path> resolveClassPath(Path clientDir, Set<OptionalAction>
     private static void launch(ClientProfile profile, ClientLauncherProcess.ClientParams params) throws Throwable {
         // Add client args
         Collection<String> args = new LinkedList<>();
-        if (profile.getVersion().compareTo(ClientProfile.Version.MC164) >= 0)
+        if (profile.getVersion().compareTo(ClientProfileVersions.MINECRAFT_1_6_4) >= 0)
             params.addClientArgs(args);
         else {
             params.addClientLegacyArgs(args);
diff --git a/Launcher/src/main/java/pro/gravit/launcher/client/ClientLauncherProcess.java b/Launcher/src/main/java/pro/gravit/launcher/client/ClientLauncherProcess.java
index 4136aeb8..c064c471 100644
--- a/Launcher/src/main/java/pro/gravit/launcher/client/ClientLauncherProcess.java
+++ b/Launcher/src/main/java/pro/gravit/launcher/client/ClientLauncherProcess.java
@@ -10,6 +10,7 @@
 import pro.gravit.launcher.events.request.AuthRequestEvent;
 import pro.gravit.launcher.hasher.HashedDir;
 import pro.gravit.launcher.profiles.ClientProfile;
+import pro.gravit.launcher.profiles.ClientProfileVersions;
 import pro.gravit.launcher.profiles.PlayerProfile;
 import pro.gravit.launcher.profiles.optional.OptionalView;
 import pro.gravit.launcher.profiles.optional.actions.OptionalAction;
@@ -289,7 +290,7 @@ public static class ClientParams {
         public transient HashedDir javaHDir;
 
         public void addClientArgs(Collection<String> args) {
-            if (profile.getVersion().compareTo(ClientProfile.Version.MC164) >= 0)
+            if (profile.getVersion().compareTo(ClientProfileVersions.MINECRAFT_1_6_4) >= 0)
                 addModernClientArgs(args);
             else
                 addClientLegacyArgs(args);
@@ -300,7 +301,7 @@ public void addClientLegacyArgs(Collection<String> args) {
             args.add(accessToken);
 
             // Add args for tweaker
-            Collections.addAll(args, "--version", profile.getVersion().name);
+            Collections.addAll(args, "--version", profile.getVersion().toString());
             Collections.addAll(args, "--gameDir", clientDir);
             Collections.addAll(args, "--assetsDir", assetDir);
         }
@@ -310,12 +311,12 @@ private void addModernClientArgs(Collection<String> args) {
             // Add version-dependent args
             ClientProfile.Version version = profile.getVersion();
             Collections.addAll(args, "--username", playerProfile.username);
-            if (version.compareTo(ClientProfile.Version.MC172) >= 0) {
+            if (version.compareTo(ClientProfileVersions.MINECRAFT_1_7_2) >= 0) {
                 Collections.addAll(args, "--uuid", Launcher.toHash(playerProfile.uuid));
                 Collections.addAll(args, "--accessToken", accessToken);
 
                 // Add 1.7.10+ args (user properties, asset index)
-                if (version.compareTo(ClientProfile.Version.MC1710) >= 0) {
+                if (version.compareTo(ClientProfileVersions.MINECRAFT_1_7_10) >= 0) {
                     // Add user properties
                     Collections.addAll(args, "--userType", "mojang");
                     Collections.addAll(args, "--userProperties", "{}");
@@ -327,11 +328,11 @@ private void addModernClientArgs(Collection<String> args) {
                 Collections.addAll(args, "--session", accessToken);
 
             // Add version and dirs args
-            Collections.addAll(args, "--version", profile.getVersion().name);
+            Collections.addAll(args, "--version", profile.getVersion().toString());
             Collections.addAll(args, "--gameDir", clientDir);
             Collections.addAll(args, "--assetsDir", assetDir);
             Collections.addAll(args, "--resourcePackDir", resourcePackDir);
-            if (version.compareTo(ClientProfile.Version.MC194) >= 0)
+            if (version.compareTo(ClientProfileVersions.MINECRAFT_1_9_4) >= 0)
                 Collections.addAll(args, "--versionType", "Launcher v" + Version.getVersion().getVersionString());
 
             // Add server args
diff --git a/Launcher/src/main/java/pro/gravit/launcher/client/ServerPinger.java b/Launcher/src/main/java/pro/gravit/launcher/client/ServerPinger.java
index 57a86dbe..7de97b99 100644
--- a/Launcher/src/main/java/pro/gravit/launcher/client/ServerPinger.java
+++ b/Launcher/src/main/java/pro/gravit/launcher/client/ServerPinger.java
@@ -4,6 +4,7 @@
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
 import pro.gravit.launcher.profiles.ClientProfile;
+import pro.gravit.launcher.profiles.ClientProfileVersions;
 import pro.gravit.launcher.serialize.HInput;
 import pro.gravit.launcher.serialize.HOutput;
 import pro.gravit.utils.helper.IOHelper;
@@ -64,7 +65,7 @@ private Result doPing() throws IOException {
             socket.connect(IOHelper.resolve(address), IOHelper.SOCKET_TIMEOUT);
             try (HInput input = new HInput(socket.getInputStream());
                  HOutput output = new HOutput(socket.getOutputStream())) {
-                return version.compareTo(ClientProfile.Version.MC172) >= 0 ? modernPing(input, output) : legacyPing(input, output, version.compareTo(ClientProfile.Version.MC164) >= 0);
+                return version.compareTo(ClientProfileVersions.MINECRAFT_1_7_2) >= 0 ? modernPing(input, output) : legacyPing(input, output, version.compareTo(ClientProfileVersions.MINECRAFT_1_6_4) >= 0);
             }
         }
     }
@@ -80,7 +81,7 @@ private Result legacyPing(HInput input, HOutput output, boolean mc16) throws IOE
             byte[] customPayloadPacket;
             try (ByteArrayOutputStream packetArray = IOHelper.newByteArrayOutput()) {
                 try (HOutput packetOutput = new HOutput(packetArray)) {
-                    packetOutput.writeUnsignedByte(version.protocol); // Protocol version
+                    packetOutput.writeUnsignedByte(0x4a); // Protocol version
                     writeUTF16String(packetOutput, address.getHostString()); // Server address
                     packetOutput.writeInt(address.getPort()); // Server port
                 }
@@ -110,11 +111,7 @@ private Result legacyPing(HInput input, HOutput output, boolean mc16) throws IOE
         if (!magic.equals(LEGACY_PING_HOST_MAGIC))
             throw new IOException("Magic file mismatch: " + magic);
         int protocol = Integer.parseInt(splitted[1]);
-        if (protocol != version.protocol)
-            throw new IOException("Protocol mismatch: " + protocol);
         String clientVersion = splitted[2];
-        if (!clientVersion.equals(version.name))
-            throw new IOException(String.format("Version mismatch: '%s'", clientVersion));
         int onlinePlayers = VerifyHelper.verifyInt(Integer.parseInt(splitted[4]),
                 VerifyHelper.NOT_NEGATIVE, "onlinePlayers can't be < 0");
         int maxPlayers = VerifyHelper.verifyInt(Integer.parseInt(splitted[5]),
@@ -130,7 +127,7 @@ private Result modernPing(HInput input, HOutput output) throws IOException {
         try (ByteArrayOutputStream packetArray = IOHelper.newByteArrayOutput()) {
             try (HOutput packetOutput = new HOutput(packetArray)) {
                 packetOutput.writeVarInt(0x0); // Handshake packet ID
-                packetOutput.writeVarInt(version.protocol); // Protocol version
+                packetOutput.writeVarInt(0x4); // Protocol version
                 packetOutput.writeString(address.getHostString(), 0); // Server address
                 packetOutput.writeShort((short) address.getPort()); // Server port
                 packetOutput.writeVarInt(0x1); // Next state - status
diff --git a/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfile.java b/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfile.java
index 3773e1c2..69f2037b 100644
--- a/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfile.java
+++ b/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfile.java
@@ -1,5 +1,6 @@
 package pro.gravit.launcher.profiles;
 
+import com.google.gson.*;
 import pro.gravit.launcher.LauncherNetworkAPI;
 import pro.gravit.launcher.hasher.FileNameMatcher;
 import pro.gravit.launcher.profiles.optional.OptionalDepend;
@@ -8,6 +9,7 @@
 import pro.gravit.utils.helper.IOHelper;
 import pro.gravit.utils.helper.VerifyHelper;
 
+import java.lang.reflect.Type;
 import java.net.InetSocketAddress;
 import java.util.*;
 
@@ -20,7 +22,7 @@ public final class ClientProfile implements Comparable<ClientProfile> {
     @LauncherNetworkAPI
     private UUID uuid;
     @LauncherNetworkAPI
-    private String version;
+    private Version version;
     @LauncherNetworkAPI
     private String info;
     @LauncherNetworkAPI
@@ -97,7 +99,7 @@ public ClientProfile() {
         flags = new ArrayList<>();
     }
 
-    public ClientProfile(List<String> update, List<String> updateExclusions, List<String> updateShared, List<String> updateVerify, Set<OptionalFile> updateOptional, List<String> jvmArgs, List<String> classPath, List<String> modulePath, List<String> modules, List<String> altClassPath, List<String> clientArgs, List<String> compatClasses, Map<String, String> properties, List<ServerProfile> servers, ClassLoaderConfig classLoaderConfig, List<CompatibilityFlags> flags, String version, String assetIndex, String dir, String assetDir, int recommendJavaVersion, int minJavaVersion, int maxJavaVersion, ProfileDefaultSettings settings, int sortIndex, UUID uuid, String title, String info, String mainClass) {
+    public ClientProfile(List<String> update, List<String> updateExclusions, List<String> updateShared, List<String> updateVerify, Set<OptionalFile> updateOptional, List<String> jvmArgs, List<String> classPath, List<String> modulePath, List<String> modules, List<String> altClassPath, List<String> clientArgs, List<String> compatClasses, Map<String, String> properties, List<ServerProfile> servers, ClassLoaderConfig classLoaderConfig, List<CompatibilityFlags> flags, Version version, String assetIndex, String dir, String assetDir, int recommendJavaVersion, int minJavaVersion, int maxJavaVersion, ProfileDefaultSettings settings, int sortIndex, UUID uuid, String title, String info, String mainClass) {
         this.update = update;
         this.updateExclusions = updateExclusions;
         this.updateShared = updateShared;
@@ -146,7 +148,7 @@ public String getAssetIndex() {
     }
 
     public FileNameMatcher getAssetUpdateMatcher() {
-        return getVersion().compareTo(Version.MC1710) >= 0 ? ASSET_MATCHER : null;
+        return getVersion().compareTo(ClientProfileVersions.MINECRAFT_1_7_10) >= 0 ? ASSET_MATCHER : null;
     }
 
     public String[] getClassPath() {
@@ -291,11 +293,11 @@ public void setInfo(String info) {
     }
 
     public Version getVersion() {
-        return Version.byName(version);
+        return version;
     }
 
     public void setVersion(Version version) {
-        this.version = version.name;
+        this.version = version;
     }
 
     @Deprecated
@@ -429,76 +431,6 @@ public List<CompatibilityFlags> getFlags() {
         return flags;
     }
 
-    public enum Version {
-        MC125("1.2.5", 29),
-        MC147("1.4.7", 51),
-        MC152("1.5.2", 61),
-        MC164("1.6.4", 78),
-        MC172("1.7.2", 4),
-        MC1710("1.7.10", 5),
-        MC189("1.8.9", 47),
-        MC19("1.9", 107),
-        MC192("1.9.2", 109),
-        MC194("1.9.4", 110),
-        MC1102("1.10.2", 210),
-        MC111("1.11", 315),
-        MC1112("1.11.2", 316),
-        MC112("1.12", 335),
-        MC1121("1.12.1", 338),
-        MC1122("1.12.2", 340),
-        MC113("1.13", 393),
-        MC1131("1.13.1", 401),
-        MC1132("1.13.2", 402),
-        MC114("1.14", 477),
-        MC1141("1.14.1", 480),
-        MC1142("1.14.2", 485),
-        MC1143("1.14.3", 490),
-        MC1144("1.14.4", 498),
-        MC115("1.15", 573),
-        MC1151("1.15.1", 575),
-        MC1152("1.15.2", 578),
-        MC1161("1.16.1", 736),
-        MC1162("1.16.2", 751),
-        MC1163("1.16.3", 753),
-        MC1164("1.16.4", 754),
-        MC1165("1.16.5", 754),
-        MC117("1.17", 755),
-        MC1171("1.17.1", 756),
-        MC118("1.18", 757),
-        MC1181("1.18.1", 757),
-        MC1182("1.18.2", 758),
-        MC119("1.19", 759),
-        MC1191("1.19.1", 760),
-        MC1192("1.19.2", 760),
-        MC1193("1.19.3", 761),
-        MC1194("1.19.4", 762);
-        private static final Map<String, Version> VERSIONS;
-
-        static {
-            Version[] versionsValues = values();
-            VERSIONS = new HashMap<>(versionsValues.length);
-            for (Version version : versionsValues)
-                VERSIONS.put(version.name, version);
-        }
-
-        public final String name;
-        public final int protocol;
-
-        Version(String name, int protocol) {
-            this.name = name;
-            this.protocol = protocol;
-        }
-
-        public static Version byName(String name) {
-            return VerifyHelper.getMapValue(VERSIONS, name, String.format("Unknown client version: '%s'", name));
-        }
-
-        @Override
-        public String toString() {
-            return "Minecraft " + name;
-        }
-    }
-
     public enum ClassLoaderConfig {
         AGENT, LAUNCHER, MODULE, SYSTEM_ARGS
     }
@@ -507,9 +439,87 @@ public enum CompatibilityFlags {
         LEGACY_NATIVES_DIR
     }
 
-    @FunctionalInterface
-    public interface pushOptionalClassPathCallback {
-        void run(String[] opt);
+    public static class Version implements Comparable<Version> {
+        private final long[] data;
+        private final String original;
+        private final boolean isObjectSerialized;
+
+        public static Version of(String string) {
+            String tmp = string.replaceAll("[^.0-9]", "."); // Replace any non-digit character to .
+            String[] list = tmp.split("\\.");
+            return new Version(Arrays.stream(list)
+                    .filter(e -> !e.isEmpty()) // Filter ".."
+                    .mapToLong(Long::parseLong).toArray(), string);
+        }
+
+        private Version(long[] data, String str) {
+            this.data = data;
+            this.original = str;
+            this.isObjectSerialized = false;
+        }
+
+        public Version(long[] data, String original, boolean isObjectSerialized) {
+            this.data = data;
+            this.original = original;
+            this.isObjectSerialized = isObjectSerialized;
+        }
+
+        @Override
+        public int compareTo(Version some) {
+            int result = 0;
+            for (int i = 0; i < data.length; ++i) {
+                if (i > some.data.length) break;
+                result = Long.compare(data[i], some.data[i]);
+                if (result != 0) return result;
+            }
+            return result;
+        }
+
+        public String toCleanString() {
+            return join(data);
+        }
+
+        private static String join(long[] data) {
+            return String.join(".", Arrays.stream(data).mapToObj(String::valueOf).toArray(String[]::new));
+        }
+
+        @Override
+        public String toString() {
+            return original;
+        }
+
+        public static class GsonSerializer implements JsonSerializer<Version>, JsonDeserializer<Version> {
+
+            @Override
+            public Version deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
+                if(json.isJsonObject()) {
+                    JsonObject object = json.getAsJsonObject();
+                    String name = object.get("name").getAsString();
+                    long[] list = context.deserialize(object.get("data"), long[].class);
+                    return new Version(list, name, true);
+                } else if(json.isJsonArray()) {
+                    long[] list = context.deserialize(json, long[].class);
+                    return new Version(list, join(list), false);
+                } else {
+                    return Version.of(json.getAsString());
+                }
+            }
+
+            @Override
+            public JsonElement serialize(Version src, Type typeOfSrc, JsonSerializationContext context) {
+                if(src.isObjectSerialized) {
+                    JsonObject object = new JsonObject();
+                    object.add("name", new JsonPrimitive(src.original));
+                    JsonArray array = new JsonArray();
+                    for(long l : src.data) {
+                        array.add(l);
+                    }
+                    object.add("data", array);
+                    return object;
+                }
+                return new JsonPrimitive(src.toString());
+            }
+        }
     }
 
     public static class ServerProfile {
diff --git a/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfileBuilder.java b/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfileBuilder.java
index 78ebfae7..5e6a09d6 100644
--- a/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfileBuilder.java
+++ b/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfileBuilder.java
@@ -21,7 +21,7 @@ public class ClientProfileBuilder {
     private List<ClientProfile.ServerProfile> servers = new ArrayList<>();
     private ClientProfile.ClassLoaderConfig classLoaderConfig = ClientProfile.ClassLoaderConfig.LAUNCHER;
     private List<ClientProfile.CompatibilityFlags> flags = new ArrayList<>();
-    private String version;
+    private ClientProfile.Version version;
     private String assetIndex;
     private String dir;
     private String assetDir;
@@ -91,7 +91,7 @@ public void setClassLoaderConfig(ClientProfile.ClassLoaderConfig classLoaderConf
         this.classLoaderConfig = classLoaderConfig;
     }
 
-    public void setVersion(String version) {
+    public void setVersion(ClientProfile.Version version) {
         this.version = version;
     }
 
diff --git a/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfileVersions.java b/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfileVersions.java
new file mode 100644
index 00000000..0af1185c
--- /dev/null
+++ b/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfileVersions.java
@@ -0,0 +1,18 @@
+package pro.gravit.launcher.profiles;
+
+public class ClientProfileVersions {
+    private ClientProfileVersions() {
+        throw new UnsupportedOperationException();
+    }
+    public static final ClientProfile.Version MINECRAFT_1_6_4 = ClientProfile.Version.of("1.6.4");
+    public static final ClientProfile.Version MINECRAFT_1_7_2 = ClientProfile.Version.of("1.7.2");
+    public static final ClientProfile.Version MINECRAFT_1_7_10 = ClientProfile.Version.of("1.7.10");
+    public static final ClientProfile.Version MINECRAFT_1_9_4 = ClientProfile.Version.of("1.9.4");
+    public static final ClientProfile.Version MINECRAFT_1_12_2 = ClientProfile.Version.of("1.12.2");
+
+    public static final ClientProfile.Version MINECRAFT_1_13 = ClientProfile.Version.of("1.13");
+    public static final ClientProfile.Version MINECRAFT_1_16_5 = ClientProfile.Version.of("1.16.5");
+    public static final ClientProfile.Version MINECRAFT_1_17 = ClientProfile.Version.of("1.17");
+    public static final ClientProfile.Version MINECRAFT_1_18 = ClientProfile.Version.of("1.18");
+    public static final ClientProfile.Version MINECRAFT_1_19 = ClientProfile.Version.of("1.19");
+}
diff --git a/LauncherAPI/src/main/java/pro/gravit/launcher/request/websockets/ClientWebSocketService.java b/LauncherAPI/src/main/java/pro/gravit/launcher/request/websockets/ClientWebSocketService.java
index 04062458..4296684b 100644
--- a/LauncherAPI/src/main/java/pro/gravit/launcher/request/websockets/ClientWebSocketService.java
+++ b/LauncherAPI/src/main/java/pro/gravit/launcher/request/websockets/ClientWebSocketService.java
@@ -7,6 +7,7 @@
 import pro.gravit.launcher.events.request.*;
 import pro.gravit.launcher.hasher.HashedEntry;
 import pro.gravit.launcher.hasher.HashedEntryAdapter;
+import pro.gravit.launcher.profiles.ClientProfile;
 import pro.gravit.launcher.profiles.optional.actions.OptionalAction;
 import pro.gravit.launcher.profiles.optional.triggers.OptionalTrigger;
 import pro.gravit.launcher.request.WebSocketEvent;
@@ -40,6 +41,7 @@ public ClientWebSocketService(String address) throws SSLException {
 
     public static void appendTypeAdapters(GsonBuilder builder) {
         builder.registerTypeAdapter(HashedEntry.class, new HashedEntryAdapter());
+        builder.registerTypeAdapter(ClientProfile.Version.class, new ClientProfile.Version.GsonSerializer());
         builder.registerTypeAdapter(WebSocketEvent.class, new UniversalJsonAdapter<>(ClientWebSocketService.results));
         builder.registerTypeAdapter(WebSocketRequest.class, new UniversalJsonAdapter<>(ClientWebSocketService.requests));
         builder.registerTypeAdapter(AuthRequest.AuthPasswordInterface.class, new UniversalJsonAdapter<>(AuthRequest.providers));
diff --git a/LauncherCore/src/main/java/pro/gravit/launcher/hasher/HashedDir.java b/LauncherCore/src/main/java/pro/gravit/launcher/hasher/HashedDir.java
index 38128287..71b28e17 100644
--- a/LauncherCore/src/main/java/pro/gravit/launcher/hasher/HashedDir.java
+++ b/LauncherCore/src/main/java/pro/gravit/launcher/hasher/HashedDir.java
@@ -288,7 +288,7 @@ public enum WalkAction {
 
     @FunctionalInterface
     public interface WalkCallback {
-        WalkAction walked(String path, String name, HashedEntry entry);
+        WalkAction walked(String path, String name, HashedEntry entry) throws IOException;
     }
 
     public static class FindRecursiveResult {
diff --git a/ServerWrapper/src/main/java/pro/gravit/launcher/server/ServerWrapper.java b/ServerWrapper/src/main/java/pro/gravit/launcher/server/ServerWrapper.java
index 0a44b85d..61fa66a9 100644
--- a/ServerWrapper/src/main/java/pro/gravit/launcher/server/ServerWrapper.java
+++ b/ServerWrapper/src/main/java/pro/gravit/launcher/server/ServerWrapper.java
@@ -157,7 +157,7 @@ public void run(String... args) throws Throwable {
             ServerAgent.loadLibraries(librariesDir);
         }
         LogHelper.info("ServerWrapper: LaunchServer address: %s. Title: %s", config.address, Launcher.profile != null ? Launcher.profile.getTitle() : "unknown");
-        LogHelper.info("Minecraft Version (for profile): %s", wrapper.profile == null ? "unknown" : wrapper.profile.getVersion().name);
+        LogHelper.info("Minecraft Version (for profile): %s", wrapper.profile == null ? "unknown" : wrapper.profile.getVersion().toString());
         String[] real_args;
         if(config.args != null && config.args.size() > 0) {
             real_args = config.args.toArray(new String[0]);
diff --git a/ServerWrapper/src/main/java/pro/gravit/launcher/server/setup/ServerWrapperSetup.java b/ServerWrapper/src/main/java/pro/gravit/launcher/server/setup/ServerWrapperSetup.java
index 6aece315..fdd1fa0d 100644
--- a/ServerWrapper/src/main/java/pro/gravit/launcher/server/setup/ServerWrapperSetup.java
+++ b/ServerWrapper/src/main/java/pro/gravit/launcher/server/setup/ServerWrapperSetup.java
@@ -2,6 +2,7 @@
 
 import pro.gravit.launcher.events.request.GetPublicKeyRequestEvent;
 import pro.gravit.launcher.profiles.ClientProfile;
+import pro.gravit.launcher.profiles.ClientProfileVersions;
 import pro.gravit.launcher.request.Request;
 import pro.gravit.launcher.request.auth.GetPublicKeyRequest;
 import pro.gravit.launcher.request.websockets.StdWebSocketService;
@@ -90,7 +91,7 @@ public void run() throws Exception {
                 }
             }
         }
-        if(wrapper.profile != null && wrapper.profile.getVersion().compareTo(ClientProfile.Version.MC118) >= 0) {
+        if(wrapper.profile != null && wrapper.profile.getVersion().compareTo(ClientProfileVersions.MINECRAFT_1_18) >= 0) {
             LogHelper.info("Switch to alternative start mode (1.18)");
             wrapper.config.classpath.add(jarName);
             wrapper.config.classLoaderConfig = ClientProfile.ClassLoaderConfig.LAUNCHER;
diff --git a/build.gradle b/build.gradle
index fe664078..f4e239bc 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@
     id 'org.openjfx.javafxplugin' version '0.0.10' apply false
 }
 group = 'pro.gravit.launcher'
-version = '5.3.6'
+version = '5.4.0-SNAPSHOT'
 
 apply from: 'props.gradle'