diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index fd5ef96f..a2a04688 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -1,9 +1,6 @@
 name: push
 on:
   push:
-  create:
-    tags:
-      - v*
 jobs:
   launcher:
     name: Launcher
@@ -55,7 +52,7 @@ jobs:
       - name: Create release
         id: create_release
         uses: actions/create-release@v1
-        if: github.event_name == 'create'
+        if: github.event.ref == 'refs/tags/*'
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
@@ -65,13 +62,13 @@ jobs:
           prerelease: false
 
       - name: Pack release
-        if: github.event_name == 'create'
+        if: github.event.ref == 'refs/tags/*'
         run: |
           cd artifacts/
           zip -r -9 ../Release.zip *
 
       - name: Upload release
-        if: github.event_name == 'create'
+        if: github.event.ref == 'refs/tags/*'
         uses: actions/upload-release-asset@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/LaunchServer.java b/LaunchServer/src/main/java/pro/gravit/launchserver/LaunchServer.java
index b74d8de7..724d8a31 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/LaunchServer.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/LaunchServer.java
@@ -293,6 +293,15 @@ public void invoke(String... args) throws Exception {
             }
         };
         commands.put("reload", reload);
+        SubCommand save = new SubCommand() {
+            @Override
+            public void invoke(String... args) throws Exception {
+                launchServerConfigManager.writeConfig(config);
+                launchServerConfigManager.writeRuntimeConfig(runtime);
+                LogHelper.info("LaunchServerConfig saved");
+            }
+        };
+        commands.put("save", save);
         return commands;
     }
 
@@ -319,7 +328,8 @@ public void buildLauncherBinaries() throws IOException {
     }
 
     public void close() throws Exception {
-
+        LogHelper.info("Close server socket");
+        nettyServerSocketHandler.close();
         // Close handlers & providers
         config.close(ReloadType.FULL);
         modulesManager.invokeEvent(new ClosePhase());
@@ -368,8 +378,14 @@ public void run() {
         }
         if (config.netty != null)
             rebindNettyServerSocket();
-        modulesManager.fullInitializedLaunchServer(this);
-        modulesManager.invokeEvent(new LaunchServerFullInitEvent(this));
+        try {
+            modulesManager.fullInitializedLaunchServer(this);
+            modulesManager.invokeEvent(new LaunchServerFullInitEvent(this));
+            LogHelper.info("LaunchServer started");
+        } catch (Throwable e) {
+            LogHelper.error(e);
+            JVMHelper.RUNTIME.exit(-1);
+        }
     }
 
     public void syncLauncherBinaries() throws IOException {
diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/LaunchServerStarter.java b/LaunchServer/src/main/java/pro/gravit/launchserver/LaunchServerStarter.java
index 8c49e94b..a8e858b4 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/LaunchServerStarter.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/LaunchServerStarter.java
@@ -61,7 +61,13 @@ public static void main(String[] args) throws Exception {
         Path privateKeyFile = dir.resolve("private.key");
         ECPublicKey publicKey;
         ECPrivateKey privateKey;
-        Security.addProvider(new BouncyCastleProvider());
+        try {
+            Class.forName("org.bouncycastle.jce.provider.BouncyCastleProvider");
+            Security.addProvider(new BouncyCastleProvider());
+        } catch (ClassNotFoundException ex) {
+            LogHelper.error("Library BouncyCastle not found! Is directory 'libraries' empty?");
+            return;
+        }
         CertificateManager certificateManager = new CertificateManager();
         try {
             certificateManager.readTrustStore(dir.resolve("truststore"));
@@ -72,7 +78,19 @@ public static void main(String[] args) throws Exception {
             //LauncherTrustManager.CheckMode mode = (Version.RELEASE == Version.Type.LTS || Version.RELEASE == Version.Type.STABLE) ?
             //        (allowUnsigned ? LauncherTrustManager.CheckMode.WARN_IN_NOT_SIGNED : LauncherTrustManager.CheckMode.EXCEPTION_IN_NOT_SIGNED) :
             //        (allowUnsigned ? LauncherTrustManager.CheckMode.NONE_IN_NOT_SIGNED : LauncherTrustManager.CheckMode.WARN_IN_NOT_SIGNED);
-            certificateManager.checkClass(LaunchServer.class, LauncherTrustManager.CheckMode.NONE_IN_NOT_SIGNED);
+            LauncherTrustManager.CheckClassResult result = certificateManager.checkClass(LaunchServer.class);
+            if(result.type == LauncherTrustManager.CheckClassResultType.SUCCESS) {
+                LogHelper.info("LaunchServer signed by %s", result.endCertificate.getSubjectDN().getName());
+            }
+            else if(result.type == LauncherTrustManager.CheckClassResultType.NOT_SIGNED) {
+                // None
+            }
+            else {
+                if(result.exception != null) {
+                    LogHelper.error(result.exception);
+                }
+                LogHelper.warning("LaunchServer signed incorrectly. Status: %s", result.type.name());
+            }
         }
 
         LaunchServerRuntimeConfig runtimeConfig;
diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/auth/session/MemorySessionStorage.java b/LaunchServer/src/main/java/pro/gravit/launchserver/auth/session/MemorySessionStorage.java
index 7676bdab..0dc45db7 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/auth/session/MemorySessionStorage.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/auth/session/MemorySessionStorage.java
@@ -1,16 +1,37 @@
 package pro.gravit.launchserver.auth.session;
 
+import pro.gravit.launcher.Launcher;
 import pro.gravit.launcher.NeedGarbageCollection;
+import pro.gravit.launchserver.LaunchServer;
 import pro.gravit.launchserver.manangers.SessionManager;
+import pro.gravit.utils.helper.IOHelper;
+import pro.gravit.utils.helper.LogHelper;
 
+import java.io.IOException;
+import java.io.Reader;
+import java.io.Writer;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.stream.Stream;
 
-public class MemorySessionStorage extends SessionStorage implements NeedGarbageCollection {
+public class MemorySessionStorage extends SessionStorage implements NeedGarbageCollection, AutoCloseable {
 
-    private final Map<UUID, Entry> clientSet = new ConcurrentHashMap<>(128);
-    private final Map<UUID, Set<Entry>> uuidIndex = new ConcurrentHashMap<>(32);
+    private transient final Map<UUID, Entry> clientSet = new ConcurrentHashMap<>(128);
+    private transient final Map<UUID, Set<Entry>> uuidIndex = new ConcurrentHashMap<>(32);
+    public boolean autoDump = false;
+    public String dumpFile = "sessions.json";
+
+    @Override
+    public void init(LaunchServer server) {
+        super.init(server);
+        if(autoDump) {
+            loadSessionsData();
+            garbageCollection();
+        }
+    }
 
     @Override
     public byte[] getSessionData(UUID session) {
@@ -71,6 +92,28 @@ public void clear() {
         uuidIndex.clear();
     }
 
+    public void dumpSessionsData() {
+        DumpedData dumpedData = new DumpedData(clientSet, uuidIndex);
+        Path path = Paths.get(dumpFile);
+        try(Writer writer = IOHelper.newWriter(path)) {
+            Launcher.gsonManager.gson.toJson(dumpedData, writer);
+        } catch (IOException e) {
+            LogHelper.error(e);
+        }
+    }
+
+    public void loadSessionsData() {
+        Path path = Paths.get(dumpFile);
+        if(!Files.exists(path)) return;
+        try(Reader reader = IOHelper.newReader(path)) {
+            DumpedData data = Launcher.gsonManager.gson.fromJson(reader, DumpedData.class);
+            clientSet.putAll(data.clientSet);
+            uuidIndex.putAll(data.uuidIndex);
+        } catch (IOException e) {
+            LogHelper.error(e);
+        }
+    }
+
     @Override
     public void lockSession(UUID sessionUUID) {
 
@@ -114,6 +157,14 @@ public void garbageCollection() {
         to_delete.clear();
     }
 
+    @Override
+    public void close() throws Exception {
+        if(autoDump) {
+            garbageCollection();
+            dumpSessionsData();
+        }
+    }
+
     private static class Entry {
         public byte[] data;
         public UUID sessionUuid;
@@ -125,4 +176,14 @@ public Entry(byte[] data, UUID sessionUuid) {
             this.timestamp = System.currentTimeMillis();
         }
     }
+
+    private static class DumpedData {
+        private final Map<UUID, Entry> clientSet;
+        private final Map<UUID, Set<Entry>> uuidIndex;
+
+        private DumpedData(Map<UUID, Entry> clientSet, Map<UUID, Set<Entry>> uuidIndex) {
+            this.clientSet = clientSet;
+            this.uuidIndex = uuidIndex;
+        }
+    }
 }
diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/binary/tasks/MainBuildTask.java b/LaunchServer/src/main/java/pro/gravit/launchserver/binary/tasks/MainBuildTask.java
index d6f768e1..19c1775b 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/binary/tasks/MainBuildTask.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/binary/tasks/MainBuildTask.java
@@ -107,8 +107,9 @@ protected void initProps() {
         properties.put("runtimeconfig.secretKeyClient", SecurityHelper.randomStringAESKey());
         properties.put("launcher.port", 32148 + SecurityHelper.newRandom().nextInt(512));
         properties.put("launcher.guardType", server.config.launcher.guardType);
-        properties.put("launcher.isWarningMissArchJava", server.config.launcher.warningMissArchJava);
         properties.put("launchercore.env", server.config.env);
+        properties.put("launcher.memory", server.config.launcher.memoryLimit);
+        properties.put("launcher.certificatePinning", server.config.launcher.certificatePinning);
         properties.put("runtimeconfig.passwordEncryptKey", server.runtime.passwordEncryptKey);
         String launcherSalt = SecurityHelper.randomStringToken();
         byte[] launcherSecureHash = SecurityHelper.digest(SecurityHelper.DigestAlgorithm.SHA256,
diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/config/LaunchServerConfig.java b/LaunchServer/src/main/java/pro/gravit/launchserver/config/LaunchServerConfig.java
index 170cc4c4..107153c5 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/config/LaunchServerConfig.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/config/LaunchServerConfig.java
@@ -93,7 +93,6 @@ public static LaunchServerConfig getDefault(LaunchServer.LaunchServerEnv env) {
         newConfig.launcher = new LauncherConf();
         newConfig.launcher.guardType = "no";
         newConfig.launcher.compress = true;
-        newConfig.launcher.warningMissArchJava = true;
         newConfig.launcher.attachLibraryBeforeProGuard = false;
         newConfig.launcher.deleteTempFiles = true;
         newConfig.launcher.enabledProGuard = true;
@@ -236,6 +235,13 @@ public void close(LaunchServer.ReloadType type) {
         }
         if(sessions != null) {
             server.unregisterObject("sessions", sessions);
+            if (sessions instanceof AutoCloseable) {
+                try {
+                    ((AutoCloseable) sessions).close();
+                } catch (Exception e) {
+                    LogHelper.error(e);
+                }
+            }
         }
         if (dao != null) {
             server.unregisterObject("dao", dao);
@@ -289,11 +295,14 @@ public static class LauncherConf {
         public String guardType;
         public boolean attachLibraryBeforeProGuard;
         public boolean compress;
+        @Deprecated
         public boolean warningMissArchJava;
         public boolean enabledProGuard;
         public boolean stripLineNumbers;
         public boolean deleteTempFiles;
         public boolean proguardGenMappings;
+        public boolean certificatePinning;
+        public int memoryLimit = 256;
     }
 
     public static class NettyConfig {
diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/manangers/CertificateManager.java b/LaunchServer/src/main/java/pro/gravit/launchserver/manangers/CertificateManager.java
index c20ef7ba..cf5409cc 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/manangers/CertificateManager.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/manangers/CertificateManager.java
@@ -193,6 +193,7 @@ public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IO
         trustManager = new LauncherTrustManager(certificates.toArray(new X509Certificate[0]));
     }
 
+    @Deprecated
     public void checkClass(Class<?> clazz, LauncherTrustManager.CheckMode mode) throws SecurityException {
         if (trustManager == null) return;
         X509Certificate[] certificates = JVMHelper.getCertificates(clazz);
@@ -204,9 +205,13 @@ else if (mode == LauncherTrustManager.CheckMode.WARN_IN_NOT_SIGNED)
             return;
         }
         try {
-            trustManager.checkCertificate(certificates, trustManager::stdCertificateChecker);
-        } catch (CertificateException | NoSuchProviderException | NoSuchAlgorithmException | InvalidKeyException | SignatureException e) {
+            trustManager.checkCertificatesSuccess(certificates, trustManager::stdCertificateChecker);
+        } catch (Exception e) {
             throw new SecurityException(e);
         }
     }
+    public LauncherTrustManager.CheckClassResult checkClass(Class<?> clazz) {
+        X509Certificate[] certificates = JVMHelper.getCertificates(clazz);
+        return trustManager.checkCertificates(certificates, trustManager::stdCertificateChecker);
+    }
 }
diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/manangers/FeaturesManager.java b/LaunchServer/src/main/java/pro/gravit/launchserver/manangers/FeaturesManager.java
index da1d15c8..99201fbe 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/manangers/FeaturesManager.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/manangers/FeaturesManager.java
@@ -14,7 +14,7 @@ public FeaturesManager(LaunchServer server) {
         this.server = server;
         map = new HashMap<>();
         addFeatureInfo("version", Version.getVersion().getVersionString());
-
+        addFeatureInfo("projectName", server.config.projectName);
     }
 
     public Map<String, String> getMap() {
diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/manangers/SessionManager.java b/LaunchServer/src/main/java/pro/gravit/launchserver/manangers/SessionManager.java
index 92c2a7d2..3dd5bf48 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/manangers/SessionManager.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/manangers/SessionManager.java
@@ -96,17 +96,16 @@ public void removeClient(UUID session) {
 
     @Deprecated
     public void updateClient(UUID session) {
-        LogHelper.warning("Using deprecated method: sessionManager.updateClient");
+        throw new UnsupportedOperationException();
     }
 
     @Deprecated
     public Set<Client> getSessions() {
-        LogHelper.warning("Using deprecated method: sessionManager.getSession");
-        return new HashSet<>();
+        throw new UnsupportedOperationException();
     }
     @Deprecated
     public void loadSessions(Set<Client> set) {
-        LogHelper.warning("Using deprecated method: sessionManager.loadSessions");
+        throw new UnsupportedOperationException();
         //clientSet.putAll(set.stream().collect(Collectors.toMap(c -> c.session, Function.identity())));
     }
 }
diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/modules/impl/LaunchServerModulesManager.java b/LaunchServer/src/main/java/pro/gravit/launchserver/modules/impl/LaunchServerModulesManager.java
index 89433a37..04b6b241 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/modules/impl/LaunchServerModulesManager.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/modules/impl/LaunchServerModulesManager.java
@@ -8,6 +8,7 @@
 import pro.gravit.utils.helper.LogHelper;
 
 import java.nio.file.Path;
+import java.security.cert.X509Certificate;
 import java.util.Arrays;
 
 public class LaunchServerModulesManager extends SimpleModuleManager {
@@ -16,7 +17,6 @@ public class LaunchServerModulesManager extends SimpleModuleManager {
     public LaunchServerModulesManager(Path modulesDir, Path configDir, LauncherTrustManager trustManager) {
         super(modulesDir, configDir, trustManager);
         coreModule = new LaunchServerCoreModule();
-        checkMode = LauncherTrustManager.CheckMode.NONE_IN_NOT_SIGNED;
         loadModule(coreModule);
     }
 
@@ -27,10 +27,24 @@ public void fullInitializedLaunchServer(LaunchServer server) {
     public void printModulesInfo() {
         for (LauncherModule module : modules) {
             LauncherModuleInfo info = module.getModuleInfo();
-            LogHelper.info("[MODULE] %s v: %s p: %d deps: %s", info.name, info.version.getVersionString(), info.priority, Arrays.toString(info.dependencies));
+            LauncherTrustManager.CheckClassResult checkStatus = module.getCheckResult();
+            LogHelper.info("[MODULE] %s v: %s p: %d deps: %s sig: %s", info.name, info.version.getVersionString(), info.priority, Arrays.toString(info.dependencies), checkStatus == null ? "null": checkStatus.type);
+            if(checkStatus != null && checkStatus.endCertificate != null) {
+                X509Certificate cert = checkStatus.endCertificate;
+                LogHelper.info("[MODULE CERT] Module signer: %s", cert.getSubjectDN().getName());
+            }
+            if(checkStatus != null && checkStatus.rootCertificate != null) {
+                X509Certificate cert = checkStatus.rootCertificate;
+                LogHelper.info("[MODULE CERT] Module signer CA: %s", cert.getSubjectDN().getName());
+            }
         }
     }
 
+    @Override
+    public final boolean verifyClassCheckResult(LauncherTrustManager.CheckClassResult result) {
+        return true;
+    }
+
     @Override
     public LauncherModule getCoreModule() {
         return coreModule;
diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/socket/Client.java b/LaunchServer/src/main/java/pro/gravit/launchserver/socket/Client.java
index 57113f14..5998aca9 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/socket/Client.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/socket/Client.java
@@ -32,6 +32,8 @@ public class Client {
 
     public transient Map<String, Object> properties;
 
+    public Map<String, String> serializableProperties;
+
     public transient AtomicInteger refCount = new AtomicInteger(1);
 
     public Client(UUID session) {
@@ -55,6 +57,7 @@ public void updateAuth(LaunchServer server) {
         else auth = server.config.getAuthProviderPair(auth_id);
     }
 
+    @Deprecated
     public enum Type {
         SERVER,
         USER
@@ -65,6 +68,9 @@ public static class TrustLevel {
         public boolean keyChecked;
         public byte[] publicKey;
         public HardwareReportRequest.HardwareInfo hardwareInfo;
+        // May be used later
+        public double rating;
+        public long latestMillis;
     }
 
     @SuppressWarnings("unchecked")
@@ -77,4 +83,14 @@ public <T> void setProperty(String name, T object) {
         if (properties == null) properties = new HashMap<>();
         properties.put(name, object);
     }
+
+    public String getSerializableProperty(String name) {
+        if (serializableProperties == null) serializableProperties = new HashMap<>();
+        return serializableProperties.get(name);
+    }
+
+    public void setSerializableProperty(String name, String value) {
+        if (serializableProperties == null) serializableProperties = new HashMap<>();
+        properties.put(name, value);
+    }
 }
diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/socket/LauncherNettyServer.java b/LaunchServer/src/main/java/pro/gravit/launchserver/socket/LauncherNettyServer.java
index 6042d2d2..a68169df 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/socket/LauncherNettyServer.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/socket/LauncherNettyServer.java
@@ -24,6 +24,7 @@
 import pro.gravit.utils.helper.LogHelper;
 
 import java.net.InetSocketAddress;
+import java.util.concurrent.TimeUnit;
 
 public class LauncherNettyServer implements AutoCloseable {
     private static final String WEBSOCKET_PATH = "/api";
@@ -77,7 +78,9 @@ public ChannelFuture bind(InetSocketAddress address) {
 
     @Override
     public void close() {
-        workerGroup.shutdownGracefully();
-        bossGroup.shutdownGracefully();
+        workerGroup.shutdownGracefully(2, 5, TimeUnit.SECONDS);
+        bossGroup.shutdownGracefully(2, 5, TimeUnit.SECONDS);
+        //workerGroup.shutdownGracefully();
+        //bossGroup.shutdownGracefully();
     }
 }
diff --git a/Launcher/build.gradle b/Launcher/build.gradle
index ca8c804a..9ecd01cc 100644
--- a/Launcher/build.gradle
+++ b/Launcher/build.gradle
@@ -26,11 +26,7 @@
     classifier = 'clean'
     manifest.attributes("Main-Class": mainClassName,
             "Premain-Class": mainAgentName,
-            "Can-Redefine-Classes": "true",
-            "Multi-Release": "true",
-            "Can-Retransform-Classes": "true",
-            "Can-Set-Native-Method-Prefix": "true",
-            "Multi-Release-Jar": "true")
+            "Multi-Release": "true")
 }
 
 task sourcesJar(type: Jar) {
diff --git a/Launcher/src/main/java/pro/gravit/launcher/ClientLauncherWrapper.java b/Launcher/src/main/java/pro/gravit/launcher/ClientLauncherWrapper.java
index 94edcf82..317fab67 100644
--- a/Launcher/src/main/java/pro/gravit/launcher/ClientLauncherWrapper.java
+++ b/Launcher/src/main/java/pro/gravit/launcher/ClientLauncherWrapper.java
@@ -22,6 +22,8 @@ public class ClientLauncherWrapper {
     public static final String NO_JAVA_CHECK_PROPERTY = "launcher.noJavaCheck";
     public static boolean noJavaCheck = Boolean.getBoolean(NO_JAVA_CHECK_PROPERTY);
     public static boolean waitProcess = Boolean.getBoolean(WAIT_PROCESS_PROPERTY);
+    @LauncherInject("launcher.memory")
+    public static int launcherMemoryLimit;
 
     public static class JavaVersion {
         public final Path jvmDir;
diff --git a/Launcher/src/main/java/pro/gravit/launcher/LauncherEngine.java b/Launcher/src/main/java/pro/gravit/launcher/LauncherEngine.java
index 3d30f34d..bf67b5b6 100644
--- a/Launcher/src/main/java/pro/gravit/launcher/LauncherEngine.java
+++ b/Launcher/src/main/java/pro/gravit/launcher/LauncherEngine.java
@@ -64,8 +64,8 @@ public static void checkClass(Class<?> clazz) throws SecurityException {
             throw new SecurityException(String.format("Class %s not signed", clazz.getName()));
         }
         try {
-            trustManager.checkCertificate(certificates, trustManager::stdCertificateChecker);
-        } catch (CertificateException | NoSuchProviderException | NoSuchAlgorithmException | InvalidKeyException | SignatureException e) {
+            trustManager.checkCertificatesSuccess(certificates, trustManager::stdCertificateChecker);
+        } catch (Exception e) {
             throw new SecurityException(e);
         }
     }
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 00001648..337f8453 100644
--- a/Launcher/src/main/java/pro/gravit/launcher/client/ClientLauncherEntryPoint.java
+++ b/Launcher/src/main/java/pro/gravit/launcher/client/ClientLauncherEntryPoint.java
@@ -10,6 +10,7 @@
 import pro.gravit.launcher.guard.LauncherGuardManager;
 import pro.gravit.launcher.hasher.FileNameMatcher;
 import pro.gravit.launcher.hasher.HashedDir;
+import pro.gravit.launcher.hasher.HashedEntry;
 import pro.gravit.launcher.managers.ClientGsonManager;
 import pro.gravit.launcher.modules.events.PreConfigPhase;
 import pro.gravit.launcher.patches.FMLPatcher;
@@ -26,25 +27,24 @@
 import pro.gravit.utils.helper.*;
 
 import javax.swing.*;
+import java.io.File;
 import java.io.IOException;
 import java.lang.invoke.MethodHandle;
 import java.lang.invoke.MethodHandles;
 import java.lang.invoke.MethodType;
-import java.net.InetSocketAddress;
-import java.net.Socket;
-import java.net.SocketAddress;
-import java.net.URL;
+import java.net.*;
 import java.nio.file.FileVisitResult;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.nio.file.SimpleFileVisitor;
 import java.nio.file.attribute.BasicFileAttributes;
 import java.util.*;
+import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 public class ClientLauncherEntryPoint {
-    private static ClientClassLoader classLoader;
+    private static ClassLoader classLoader;
 
     private static ClientLauncherProcess.ClientParams readParams(SocketAddress address) throws IOException {
         try (Socket socket = IOHelper.newSocket()) {
@@ -77,18 +77,20 @@ public static void main(String[] args) throws Throwable {
         LauncherConfig.initModules(LauncherEngine.modulesManager); //INIT
         LauncherEngine.modulesManager.initModules(null);
         initGson(LauncherEngine.modulesManager);
-        LauncherEngine.verifyNoAgent();
         LauncherEngine.modulesManager.invokeEvent(new PreConfigPhase());
         engine.readKeys();
         LauncherGuardManager.initGuard(true);
         LogHelper.debug("Reading ClientLauncher params");
         ClientLauncherProcess.ClientParams params = readParams(new InetSocketAddress("127.0.0.1", Launcher.getConfig().clientPort));
+        if(params.profile.classLoaderConfig != ClientProfile.ClassLoaderConfig.AGENT) {
+            LauncherEngine.verifyNoAgent();
+        }
         ClientProfile profile = params.profile;
         Launcher.profile = profile;
         AuthService.profile = profile;
         LauncherEngine.clientParams = params;
         Request.setSession(params.session);
-        checkJVMBitsAndVersion();
+        checkJVMBitsAndVersion(params.profile.getMinJavaVersion(), params.profile.getRecommendJavaVersion(), params.profile.getMaxJavaVersion(), params.profile.isWarnMissJavaVersion());
         LauncherEngine.modulesManager.invokeEvent(new ClientProcessInitPhase(engine, params));
 
         Path clientDir = Paths.get(params.clientDir);
@@ -103,10 +105,6 @@ public static void main(String[] args) throws Throwable {
             if (a instanceof OptionalActionClassPath)
                 resolveClassPathStream(clientDir, ((OptionalActionClassPath) a).args).map(IOHelper::toURL).collect(Collectors.toCollection(() -> classpath));
         }
-        classLoader = new ClientClassLoader(classpath.toArray(new URL[0]), ClassLoader.getSystemClassLoader());
-        Thread.currentThread().setContextClassLoader(classLoader);
-        classLoader.nativePath = clientDir.resolve("natives").toString();
-        LauncherEngine.modulesManager.invokeEvent(new ClientProcessClassLoaderEvent(engine, classLoader, profile));
         // Start client with WatchService monitoring
         boolean digest = !profile.isUpdateFastCheck();
         LogHelper.debug("Restore sessions");
@@ -129,13 +127,34 @@ public static void main(String[] args) throws Throwable {
                 LogHelper.error(e);
             }
         };
-        AuthService.username = params.playerProfile.username;
-        AuthService.uuid = params.playerProfile.uuid;
-        ClientService.classLoader = classLoader;
-        ClientService.nativePath = classLoader.nativePath;
-        classLoader.addURL(IOHelper.getCodeSource(ClientLauncherEntryPoint.class).toUri().toURL());
-        //classForName(classLoader, "com.google.common.collect.ForwardingMultimap");
-        ClientService.baseURLs = classLoader.getURLs();
+        if(params.profile.classLoaderConfig == ClientProfile.ClassLoaderConfig.LAUNCHER) {
+            ClientClassLoader classLoader = new ClientClassLoader(classpath.toArray(new URL[0]), ClassLoader.getSystemClassLoader());
+            ClientLauncherEntryPoint.classLoader = classLoader;
+            Thread.currentThread().setContextClassLoader(classLoader);
+            classLoader.nativePath = clientDir.resolve("natives").toString();
+            LauncherEngine.modulesManager.invokeEvent(new ClientProcessClassLoaderEvent(engine, classLoader, profile));
+            AuthService.username = params.playerProfile.username;
+            AuthService.uuid = params.playerProfile.uuid;
+            ClientService.classLoader = classLoader;
+            ClientService.nativePath = classLoader.nativePath;
+            classLoader.addURL(IOHelper.getCodeSource(ClientLauncherEntryPoint.class).toUri().toURL());
+            ClientService.baseURLs = classLoader.getURLs();
+        }
+        else if(params.profile.classLoaderConfig == ClientProfile.ClassLoaderConfig.AGENT) {
+            ClientLauncherEntryPoint.classLoader = ClassLoader.getSystemClassLoader();
+            classpath.add(IOHelper.getCodeSource(ClientLauncherEntryPoint.class).toUri().toURL());
+            for(URL url : classpath) {
+                LauncherAgent.addJVMClassPath(Paths.get(url.toURI()));
+            }
+            ClientService.instrumentation = LauncherAgent.inst;
+            ClientService.nativePath = clientDir.resolve("natives").toString();
+            LauncherEngine.modulesManager.invokeEvent(new ClientProcessClassLoaderEvent(engine, classLoader, profile));
+            AuthService.username = params.playerProfile.username;
+            AuthService.uuid = params.playerProfile.uuid;
+            ClientService.classLoader = classLoader;
+            ClientService.baseURLs = classpath.toArray(new URL[0]);
+        }
+
         LauncherEngine.modulesManager.invokeEvent(new ClientProcessReadyEvent(engine, params));
         LogHelper.debug("Starting JVM and client WatchService");
         FileNameMatcher assetMatcher = profile.getAssetUpdateMatcher();
@@ -179,35 +198,42 @@ public static void verifyHDir(Path dir, HashedDir hdir, FileNameMatcher matcher,
         HashedDir currentHDir = new HashedDir(dir, matcher, true, digest);
         HashedDir.Diff diff = hdir.diff(currentHDir, matcher);
         if (!diff.isSame()) {
-            /*AtomicBoolean isFoundFile = new AtomicBoolean(false);
-            diff.extra.walk(File.separator, (e,k,v) -> {
-                if(v.getType().equals(HashedEntry.Type.FILE)) { LogHelper.error("Extra file %s", e); isFoundFile.set(true); }
-                else LogHelper.error("Extra %s", e);
-            });
-            diff.mismatch.walk(File.separator, (e,k,v) -> {
-                if(v.getType().equals(HashedEntry.Type.FILE)) { LogHelper.error("Mismatch file %s", e); isFoundFile.set(true); }
-                else LogHelper.error("Mismatch %s", e);
-            });
-            if(isFoundFile.get())*/
+            if(LogHelper.isDebugEnabled()) {
+                diff.extra.walk(File.separator, (e, k, v) -> {
+                    if(v.getType().equals(HashedEntry.Type.FILE)) { LogHelper.error("Extra file %s", e); }
+                    else LogHelper.error("Extra %s", e);
+                    return HashedDir.WalkAction.CONTINUE;
+                });
+                diff.mismatch.walk(File.separator, (e,k,v) -> {
+                    if(v.getType().equals(HashedEntry.Type.FILE)) { LogHelper.error("Mismatch file %s", e); }
+                    else LogHelper.error("Mismatch %s", e);
+                    return HashedDir.WalkAction.CONTINUE;
+                });
+            }
             throw new SecurityException(String.format("Forbidden modification: '%s'", IOHelper.getFileName(dir)));
         }
     }
 
-    public static void checkJVMBitsAndVersion() {
+    public static boolean checkJVMBitsAndVersion(int minVersion, int recommendVersion, int maxVersion, boolean showMessage) {
+        boolean ok = true;
         if (JVMHelper.JVM_BITS != JVMHelper.OS_BITS) {
             String error = String.format("У Вас установлена Java %d, но Ваша система определена как %d. Установите Java правильной разрядности", JVMHelper.JVM_BITS, JVMHelper.OS_BITS);
             LogHelper.error(error);
-            if (Launcher.getConfig().isWarningMissArchJava)
+            if (showMessage)
                 JOptionPane.showMessageDialog(null, error);
+            ok = false;
         }
         String jvmVersion = JVMHelper.RUNTIME_MXBEAN.getVmVersion();
         LogHelper.info(jvmVersion);
-        if (jvmVersion.startsWith("10.") || jvmVersion.startsWith("9.") || jvmVersion.startsWith("11.")) {
-            String error = String.format("У Вас установлена Java %s. Для правильной работы необходима Java 8", JVMHelper.RUNTIME_MXBEAN.getVmVersion());
+        int version = JVMHelper.getVersion();
+        if (version < minVersion || version > maxVersion) {
+            String error = String.format("У Вас установлена Java %s. Для правильной работы необходима Java %d", JVMHelper.RUNTIME_MXBEAN.getVmVersion(), recommendVersion);
             LogHelper.error(error);
-            if (Launcher.getConfig().isWarningMissArchJava)
+            if (showMessage)
                 JOptionPane.showMessageDialog(null, error);
+            ok = false;
         }
+        return ok;
     }
 
     private static LinkedList<Path> resolveClassPathList(Path clientDir, String... classPath) throws IOException {
@@ -253,11 +279,21 @@ private static void launch(ClientProfile profile, ClientLauncherProcess.ClientPa
         LogHelper.debug("Args: " + copy);
         // Resolve main class and method
         Class<?> mainClass = classLoader.loadClass(profile.getMainClass());
-        for (URL u : classLoader.getURLs()) {
-            LogHelper.info("ClassLoader URL: %s", u.toString());
+        if(LogHelper.isDevEnabled() && classLoader instanceof URLClassLoader) {
+            for (URL u : ((URLClassLoader)classLoader).getURLs()) {
+                LogHelper.dev("ClassLoader URL: %s", u.toString());
+            }
         }
         FMLPatcher.apply();
         LauncherEngine.modulesManager.invokeEvent(new ClientProcessPreInvokeMainClassEvent(params, profile, args));
+        {
+            List<String> compatClasses = profile.getCompatClasses();
+            for(String e : compatClasses) {
+                Class<?> clazz = classLoader.loadClass(e);
+                MethodHandle runMethod = MethodHandles.publicLookup().findStatic(clazz, "run", MethodType.methodType(void.class));
+                runMethod.invoke();
+            }
+        }
         MethodHandle mainMethod = MethodHandles.publicLookup().findStatic(mainClass, "main", MethodType.methodType(void.class, String[].class)).asFixedArity();
         Launcher.LAUNCHED.set(true);
         JVMHelper.fullGC();
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 8b05806a..cb064f92 100644
--- a/Launcher/src/main/java/pro/gravit/launcher/client/ClientLauncherProcess.java
+++ b/Launcher/src/main/java/pro/gravit/launcher/client/ClientLauncherProcess.java
@@ -117,6 +117,9 @@ public void start(boolean pipeOutput) throws IOException, InterruptedException {
         processArgs.add(executeFile.toString());
         processArgs.addAll(jvmArgs);
         //ADD CLASSPATH
+        if(params.profile.classLoaderConfig == ClientProfile.ClassLoaderConfig.AGENT) {
+            processArgs.add("-javaagent:".concat(IOHelper.getCodeSource(ClientLauncherEntryPoint.class).toAbsolutePath().toString()));
+        }
         if (useLegacyJavaClassPathProperty) {
             processArgs.add("-Djava.class.path=".concat(String.join(getPathSeparator(), systemClassPath)));
         } else {
@@ -160,7 +163,7 @@ public void runWriteParams(SocketAddress address) throws IOException {
                 output.writeByteArray(serializedMainParams, 0);
                 params.clientHDir.write(output);
                 params.assetHDir.write(output);
-                if (params.javaHDir == null || params.javaHDir == params.assetHDir) { //TODO: OLD RUNTIME USE params.assetHDir AS NULL IN java.javaHDir
+                if (params.javaHDir == null || params.javaHDir == params.assetHDir) { //OLD RUNTIME USE params.assetHDir AS NULL IN java.javaHDir
                     output.writeBoolean(false);
                 } else {
                     output.writeBoolean(true);
diff --git a/Launcher/src/main/java/pro/gravit/launcher/client/ClientModuleManager.java b/Launcher/src/main/java/pro/gravit/launcher/client/ClientModuleManager.java
index 428fe7d1..882e3555 100644
--- a/Launcher/src/main/java/pro/gravit/launcher/client/ClientModuleManager.java
+++ b/Launcher/src/main/java/pro/gravit/launcher/client/ClientModuleManager.java
@@ -11,7 +11,6 @@
 public class ClientModuleManager extends SimpleModuleManager {
     public ClientModuleManager() {
         super(null, null, Launcher.getConfig().trustManager);
-        checkMode = LauncherTrustManager.CheckMode.EXCEPTION_IN_NOT_SIGNED;
     }
 
     @Override
@@ -31,10 +30,14 @@ public LauncherModule loadModule(Path file) {
 
     @Override
     public LauncherModule loadModule(LauncherModule module) {
-        checkModuleClass(module.getClass(), LauncherTrustManager.CheckMode.EXCEPTION_IN_NOT_SIGNED);
         return super.loadModule(module);
     }
 
+    @Override
+    public final boolean verifyClassCheckResult(LauncherTrustManager.CheckClassResult result) {
+        return result.type == LauncherTrustManager.CheckClassResultType.SUCCESS;
+    }
+
     public void callWrapper(ProcessBuilder processBuilder, Collection<String> jvmArgs) {
         for (LauncherModule module : modules) {
             if (module instanceof ClientWrapperModule) {
diff --git a/LauncherAPI/src/main/java/pro/gravit/launcher/LauncherConfig.java b/LauncherAPI/src/main/java/pro/gravit/launcher/LauncherConfig.java
index 3ad49fcb..77276ea4 100644
--- a/LauncherAPI/src/main/java/pro/gravit/launcher/LauncherConfig.java
+++ b/LauncherAPI/src/main/java/pro/gravit/launcher/LauncherConfig.java
@@ -30,7 +30,7 @@ public final class LauncherConfig extends StreamObject {
     public final LauncherTrustManager trustManager;
     public final ECPublicKey publicKey;
     public final Map<String, byte[]> runtime;
-    @LauncherInject("launcher.isWarningMissArchJava")
+    @Deprecated
     public final boolean isWarningMissArchJava;
     @LauncherInject("launcher.guardType")
     public final String guardType;
diff --git a/LauncherAPI/src/main/java/pro/gravit/launcher/modules/LauncherModule.java b/LauncherAPI/src/main/java/pro/gravit/launcher/modules/LauncherModule.java
index 95ecf024..afe37722 100644
--- a/LauncherAPI/src/main/java/pro/gravit/launcher/modules/LauncherModule.java
+++ b/LauncherAPI/src/main/java/pro/gravit/launcher/modules/LauncherModule.java
@@ -1,5 +1,7 @@
 package pro.gravit.launcher.modules;
 
+import pro.gravit.launcher.LauncherTrustManager;
+
 import java.util.HashMap;
 import java.util.Map;
 
@@ -11,6 +13,7 @@ public abstract class LauncherModule {
     protected ModulesConfigManager modulesConfigManager;
     protected InitStatus initStatus = InitStatus.CREATED;
     private LauncherModulesContext context;
+    private LauncherTrustManager.CheckClassResult checkResult;
 
     protected LauncherModule() {
         moduleInfo = new LauncherModuleInfo("UnknownModule");
@@ -39,13 +42,33 @@ public LauncherModule setInitStatus(InitStatus initStatus) {
      *
      * @param context Private context
      */
-    public void setContext(LauncherModulesContext context) {
+    public final void setContext(LauncherModulesContext context) {
         if (this.context != null) throw new IllegalStateException("Module already set context");
         this.context = context;
         this.modulesManager = context.getModulesManager();
         this.modulesConfigManager = context.getModulesConfigManager();
         this.setInitStatus(InitStatus.PRE_INIT_WAIT);
     }
+    /**
+     * The internal method used by the ModuleManager
+     * DO NOT TOUCH
+     *
+     * @param result Check result
+     */
+    public final void setCheckResult(LauncherTrustManager.CheckClassResult result) {
+        if(this.checkResult != null) throw new IllegalStateException("Module already set check result");
+        this.checkResult = result;
+    }
+
+    public final LauncherTrustManager.CheckClassResultType getCheckStatus() {
+        if(this.checkResult == null) return null;
+        return this.checkResult.type;
+    }
+
+    public final LauncherTrustManager.CheckClassResult getCheckResult() {
+        if(this.checkResult == null) return null;
+        return new LauncherTrustManager.CheckClassResult(this.checkResult);
+    }
 
     /**
      * This method is called before initializing all modules and resolving dependencies.
diff --git a/LauncherAPI/src/main/java/pro/gravit/launcher/modules/impl/SimpleModuleManager.java b/LauncherAPI/src/main/java/pro/gravit/launcher/modules/impl/SimpleModuleManager.java
index dbaaccd1..9e944b79 100644
--- a/LauncherAPI/src/main/java/pro/gravit/launcher/modules/impl/SimpleModuleManager.java
+++ b/LauncherAPI/src/main/java/pro/gravit/launcher/modules/impl/SimpleModuleManager.java
@@ -40,6 +40,7 @@ public class SimpleModuleManager implements LauncherModulesManager {
     protected final LauncherTrustManager trustManager;
     protected final PublicURLClassLoader classLoader = new PublicURLClassLoader(new URL[]{});
     protected LauncherInitContext initContext;
+    @Deprecated
     protected LauncherTrustManager.CheckMode checkMode = LauncherTrustManager.CheckMode.WARN_IN_NOT_SIGNED;
 
     public SimpleModuleManager(Path modulesDir, Path configDir) {
@@ -121,6 +122,11 @@ private boolean checkDepend(LauncherModule module) {
     @Override
     public LauncherModule loadModule(LauncherModule module) {
         if (modules.contains(module)) return module;
+        if(module.getCheckStatus() == null) {
+            LauncherTrustManager.CheckClassResult result = checkModuleClass(module.getClass());
+            verifyClassCheckResult(result);
+            module.setCheckResult(result);
+        }
         modules.add(module);
         LauncherModuleInfo info = module.getModuleInfo();
         moduleNames.add(info.name);
@@ -145,12 +151,20 @@ public LauncherModule loadModule(Path file) throws IOException {
             classLoader.addURL(file.toUri().toURL());
             @SuppressWarnings("unchecked")
             Class<? extends LauncherModule> clazz = (Class<? extends LauncherModule>) Class.forName(moduleClass, false, classLoader);
-            checkModuleClass(clazz, checkMode);
+            LauncherTrustManager.CheckClassResult result = checkModuleClass(clazz);
+            try {
+                verifyClassCheckResultExceptional(result);
+            } catch (Exception e) {
+                LogHelper.error(e);
+                LogHelper.error("In module %s signature check failed", file.toString());
+                return null;
+            }
             if (!LauncherModule.class.isAssignableFrom(clazz))
                 throw new ClassNotFoundException("Invalid module class... Not contains LauncherModule in hierarchy.");
             LauncherModule module;
             try {
                 module = (LauncherModule) MethodHandles.publicLookup().findConstructor(clazz, VOID_TYPE).invokeWithArguments(Collections.emptyList());
+                module.setCheckResult(result);
             } catch (Throwable e) {
                 throw (InstantiationException) new InstantiationException("Error on instancing...").initCause(e);
             }
@@ -163,6 +177,7 @@ public LauncherModule loadModule(Path file) throws IOException {
         }
     }
 
+    @Deprecated
     public void checkModuleClass(Class<? extends LauncherModule> clazz, LauncherTrustManager.CheckMode mode) throws SecurityException {
         if (trustManager == null) return;
         X509Certificate[] certificates = getCertificates(clazz);
@@ -174,12 +189,29 @@ else if (mode == LauncherTrustManager.CheckMode.WARN_IN_NOT_SIGNED)
             return;
         }
         try {
-            trustManager.checkCertificate(certificates, trustManager::stdCertificateChecker);
-        } catch (CertificateException | NoSuchProviderException | NoSuchAlgorithmException | InvalidKeyException | SignatureException e) {
+            trustManager.checkCertificatesSuccess(certificates, trustManager::stdCertificateChecker);
+        } catch (Exception e) {
             throw new SecurityException(e);
         }
     }
 
+    public LauncherTrustManager.CheckClassResult checkModuleClass(Class<? extends LauncherModule> clazz) {
+        if (trustManager == null) return null;
+        X509Certificate[] certificates = getCertificates(clazz);
+        return trustManager.checkCertificates(certificates,trustManager::stdCertificateChecker);
+    }
+
+    public boolean verifyClassCheckResult(LauncherTrustManager.CheckClassResult result) {
+        if(result == null) return false;
+        return result.type == LauncherTrustManager.CheckClassResultType.SUCCESS;
+    }
+
+    public void verifyClassCheckResultExceptional(LauncherTrustManager.CheckClassResult result) throws Exception {
+        if(verifyClassCheckResult(result)) return;
+        if(result.exception != null) throw result.exception;
+        throw new SecurityException(result.type.name());
+    }
+
     @Override
     public LauncherModule getModule(String name) {
         for (LauncherModule module : modules) {
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 1c0f8e99..9338aae9 100644
--- a/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfile.java
+++ b/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfile.java
@@ -42,6 +42,8 @@ public final class ClientProfile implements Comparable<ClientProfile> {
     public SecurityManagerConfig securityManagerConfig = SecurityManagerConfig.CLIENT;
     @LauncherNetworkAPI
     public ClassLoaderConfig classLoaderConfig = ClassLoaderConfig.LAUNCHER;
+    @LauncherNetworkAPI
+    public SignedClientConfig signedClientConfig = SignedClientConfig.NONE;
     // Version
     @LauncherNetworkAPI
     private String version;
@@ -51,6 +53,14 @@ public final class ClientProfile implements Comparable<ClientProfile> {
     private String dir;
     @LauncherNetworkAPI
     private String assetDir;
+    @LauncherNetworkAPI
+    private int recommendJavaVersion = 8;
+    @LauncherNetworkAPI
+    private int minJavaVersion = 8;
+    @LauncherNetworkAPI
+    private int maxJavaVersion = 17;
+    @LauncherNetworkAPI
+    private boolean warnMissJavaVersion = true;
     // Client
     @LauncherNetworkAPI
     private int sortIndex;
@@ -71,6 +81,10 @@ public final class ClientProfile implements Comparable<ClientProfile> {
     // Client launcher
     @LauncherNetworkAPI
     private String mainClass;
+    @LauncherNetworkAPI
+    private final List<String> compatClasses = new ArrayList<>();
+    @LauncherNetworkAPI
+    private final Map<String, String> properties = new HashMap<>();
 
     public static class ServerProfile {
         public String name;
@@ -171,6 +185,38 @@ public Set<OptionalFile> getOptional() {
         return updateOptional;
     }
 
+    public int getRecommendJavaVersion() {
+        return recommendJavaVersion;
+    }
+
+    public void setRecommendJavaVersion(int recommendJavaVersion) {
+        this.recommendJavaVersion = recommendJavaVersion;
+    }
+
+    public int getMinJavaVersion() {
+        return minJavaVersion;
+    }
+
+    public void setMinJavaVersion(int minJavaVersion) {
+        this.minJavaVersion = minJavaVersion;
+    }
+
+    public int getMaxJavaVersion() {
+        return maxJavaVersion;
+    }
+
+    public void setMaxJavaVersion(int maxJavaVersion) {
+        this.maxJavaVersion = maxJavaVersion;
+    }
+
+    public boolean isWarnMissJavaVersion() {
+        return warnMissJavaVersion;
+    }
+
+    public void setWarnMissJavaVersion(boolean warnMissJavaVersion) {
+        this.warnMissJavaVersion = warnMissJavaVersion;
+    }
+
     public void updateOptionalGraph() {
         for (OptionalFile file : updateOptional) {
             if (file.dependenciesFile != null) {
@@ -374,6 +420,9 @@ public void verify() {
         for (String s : clientArgs) {
             if (s == null) throw new IllegalArgumentException("Found null entry in clientArgs");
         }
+        for(String s : compatClasses) {
+            if (s == null) throw new IllegalArgumentException("Found null entry in compatClasses");
+        }
         for (OptionalFile f : updateOptional) {
             if (f == null) throw new IllegalArgumentException("Found null entry in updateOptional");
             if (f.name == null) throw new IllegalArgumentException("Optional: name must not be null");
@@ -396,6 +445,30 @@ public void verify() {
         }
     }
 
+    public String getProperty(String name) {
+        return properties.get(name);
+    }
+
+    public void putProperty(String name, String value) {
+        properties.put(name, value);
+    }
+
+    public boolean containsProperty(String name) {
+        return properties.containsKey(name);
+    }
+
+    public void clearProperties() {
+        properties.clear();
+    }
+
+    public Map<String, String> getProperties() {
+        return Collections.unmodifiableMap(properties);
+    }
+
+    public List<String> getCompatClasses() {
+        return Collections.unmodifiableList(compatClasses);
+    }
+
     public enum Version {
         MC125("1.2.5", 29),
         MC147("1.4.7", 51),
@@ -427,7 +500,8 @@ public enum Version {
         MC1161("1.16.1", 736),
         MC1162("1.16.2", 751),
         MC1163("1.16.3", 753),
-        MC1164("1.16.4", 754);
+        MC1164("1.16.4", 754),
+        MC1165("1.16.5", 754);
         private static final Map<String, Version> VERSIONS;
 
         static {
@@ -463,6 +537,9 @@ public enum ClassLoaderConfig {
         AGENT, LAUNCHER
     }
 
+    public enum SignedClientConfig {
+        NONE, SIGNED
+    }
 
     @FunctionalInterface
     public interface pushOptionalClassPathCallback {
diff --git a/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/optional/OptionalFile.java b/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/optional/OptionalFile.java
index 11bfb3be..373032a8 100644
--- a/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/optional/OptionalFile.java
+++ b/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/optional/OptionalFile.java
@@ -16,7 +16,7 @@
 
 public class OptionalFile {
     @LauncherNetworkAPI
-    public final long permissions = 0L;
+    public long permissions = 0L;
     @LauncherNetworkAPI
     @Deprecated
     public String[] list;
diff --git a/LauncherAPI/src/main/java/pro/gravit/launcher/request/websockets/ClientJSONPoint.java b/LauncherAPI/src/main/java/pro/gravit/launcher/request/websockets/ClientJSONPoint.java
index 8d64bc64..5c4d4974 100644
--- a/LauncherAPI/src/main/java/pro/gravit/launcher/request/websockets/ClientJSONPoint.java
+++ b/LauncherAPI/src/main/java/pro/gravit/launcher/request/websockets/ClientJSONPoint.java
@@ -14,10 +14,18 @@
 import io.netty.handler.codec.http.websocketx.WebSocketVersion;
 import io.netty.handler.ssl.SslContext;
 import io.netty.handler.ssl.SslContextBuilder;
+import pro.gravit.launcher.CertificatePinningTrustManager;
+import pro.gravit.launcher.LauncherInject;
+import pro.gravit.launcher.LauncherNetworkAPI;
 import pro.gravit.utils.helper.LogHelper;
 
 import javax.net.ssl.SSLException;
+import java.io.IOException;
 import java.net.URI;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.CertificateException;
+import java.security.cert.X509Certificate;
 
 public abstract class ClientJSONPoint {
 
@@ -29,6 +37,8 @@ public abstract class ClientJSONPoint {
     protected WebSocketClientHandler webSocketClientHandler;
     protected boolean ssl = false;
     protected int port;
+    @LauncherInject("launcher.certificatePinning")
+    private static boolean isCertificatePinning;
 
     public ClientJSONPoint(final String uri) throws SSLException {
         this(URI.create(uri));
@@ -49,7 +59,16 @@ public ClientJSONPoint(URI uri) throws SSLException {
         } else port = uri.getPort();
         final SslContext sslCtx;
         if (ssl) {
-            sslCtx = SslContextBuilder.forClient().build();
+            SslContextBuilder sslContextBuilder = SslContextBuilder.forClient();
+            if(isCertificatePinning) {
+                try {
+                    sslContextBuilder.trustManager(CertificatePinningTrustManager.getTrustManager());
+                } catch (KeyStoreException | NoSuchAlgorithmException | IOException | CertificateException e) {
+                    LogHelper.error(e);
+                    sslContextBuilder.trustManager();
+                }
+            }
+            sslCtx = sslContextBuilder.build();
         } else sslCtx = null;
         bootstrap.group(group)
                 .channel(NioSocketChannel.class)
diff --git a/LauncherAuthlib/src/main/java/com/mojang/authlib/yggdrasil/YggdrasilMinecraftSessionService.java b/LauncherAuthlib/src/main/java/com/mojang/authlib/yggdrasil/YggdrasilMinecraftSessionService.java
index 2d95d0ff..434626ed 100644
--- a/LauncherAuthlib/src/main/java/com/mojang/authlib/yggdrasil/YggdrasilMinecraftSessionService.java
+++ b/LauncherAuthlib/src/main/java/com/mojang/authlib/yggdrasil/YggdrasilMinecraftSessionService.java
@@ -35,6 +35,11 @@ public YggdrasilMinecraftSessionService(AuthenticationService service) {
         LogHelper.debug("Patched MinecraftSessionService created");
     }
 
+    public YggdrasilMinecraftSessionService(YggdrasilAuthenticationService service) {
+        super(service);
+        LogHelper.debug("Patched MinecraftSessionService created");
+    }
+
     public static void fillTextureProperties(GameProfile profile, PlayerProfile pp) {
         boolean debug = LogHelper.isDebugEnabled();
         if (debug) {
diff --git a/LauncherCore/src/main/java/pro/gravit/launcher/AsyncDownloader.java b/LauncherCore/src/main/java/pro/gravit/launcher/AsyncDownloader.java
index 6e38d59b..97689567 100644
--- a/LauncherCore/src/main/java/pro/gravit/launcher/AsyncDownloader.java
+++ b/LauncherCore/src/main/java/pro/gravit/launcher/AsyncDownloader.java
@@ -1,7 +1,11 @@
 package pro.gravit.launcher;
 
 import pro.gravit.utils.helper.IOHelper;
+import pro.gravit.utils.helper.LogHelper;
 
+import javax.net.ssl.HttpsURLConnection;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLSocketFactory;
 import java.io.EOFException;
 import java.io.IOException;
 import java.io.InputStream;
@@ -11,6 +15,11 @@
 import java.net.URL;
 import java.net.URLConnection;
 import java.nio.file.Path;
+import java.security.KeyManagementException;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
+import java.security.cert.CertificateException;
 import java.util.*;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.CompletionException;
@@ -20,6 +29,9 @@ public class AsyncDownloader {
     public static final Callback IGNORE = (ignored) -> {
     };
     public final Callback callback;
+    @LauncherInject("launcher.certificatePinning")
+    private static boolean isCertificatePinning;
+    private static volatile SSLSocketFactory sslSocketFactory;
 
     public AsyncDownloader(Callback callback) {
         this.callback = callback;
@@ -31,6 +43,14 @@ public AsyncDownloader() {
 
     public void downloadFile(URL url, Path target, long size) throws IOException {
         URLConnection connection = url.openConnection();
+        if(isCertificatePinning) {
+            HttpsURLConnection connection1 = (HttpsURLConnection) connection;
+            try {
+                connection1.setSSLSocketFactory(makeSSLSocketFactory());
+            } catch (NoSuchAlgorithmException | CertificateException | KeyStoreException | KeyManagementException e) {
+                throw new IOException(e);
+            }
+        }
         try (InputStream input = connection.getInputStream()) {
             transfer(input, target, size);
         }
@@ -38,11 +58,27 @@ public void downloadFile(URL url, Path target, long size) throws IOException {
 
     public void downloadFile(URL url, Path target) throws IOException {
         URLConnection connection = url.openConnection();
+        if(isCertificatePinning) {
+            HttpsURLConnection connection1 = (HttpsURLConnection) connection;
+            try {
+                connection1.setSSLSocketFactory(makeSSLSocketFactory());
+            } catch (NoSuchAlgorithmException | CertificateException | KeyStoreException | KeyManagementException e) {
+                throw new IOException(e);
+            }
+        }
         try (InputStream input = connection.getInputStream()) {
             IOHelper.transfer(input, target);
         }
     }
 
+    public SSLSocketFactory makeSSLSocketFactory() throws NoSuchAlgorithmException, CertificateException, KeyStoreException, IOException, KeyManagementException {
+        if(sslSocketFactory != null) return sslSocketFactory;
+        SSLContext sslContext = SSLContext.getInstance("TLS");
+        sslContext.init(null, CertificatePinningTrustManager.getTrustManager().getTrustManagers(), new SecureRandom());
+        sslSocketFactory = sslContext.getSocketFactory();
+        return sslSocketFactory;
+    }
+
     public void downloadListInOneThread(List<SizedFile> files, String baseURL, Path targetDir) throws URISyntaxException, IOException {
         URI baseUri = new URI(baseURL);
         String scheme = baseUri.getScheme();
diff --git a/LauncherCore/src/main/java/pro/gravit/launcher/CertificatePinningTrustManager.java b/LauncherCore/src/main/java/pro/gravit/launcher/CertificatePinningTrustManager.java
new file mode 100644
index 00000000..a8183fbc
--- /dev/null
+++ b/LauncherCore/src/main/java/pro/gravit/launcher/CertificatePinningTrustManager.java
@@ -0,0 +1,65 @@
+package pro.gravit.launcher;
+
+import pro.gravit.utils.helper.LogHelper;
+
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.TrustManagerFactory;
+import javax.net.ssl.X509TrustManager;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.security.KeyStore;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.CertificateException;
+import java.security.cert.CertificateFactory;
+import java.security.cert.X509Certificate;
+import java.util.Arrays;
+import java.util.List;
+
+public final class CertificatePinningTrustManager {
+    @LauncherInject("launchercore.certificates")
+    private static List<byte[]> secureConfigCertificates;
+    private static X509Certificate[] certs = null;
+    private volatile static TrustManagerFactory INSTANCE;
+    private static X509Certificate[] getInternalCertificates() {
+        CertificateFactory certFactory = null;
+        try {
+            certFactory = CertificateFactory.getInstance("X.509");
+        } catch (CertificateException e) {
+            return new X509Certificate[0];
+        }
+        CertificateFactory finalCertFactory = certFactory;
+        return secureConfigCertificates.stream().map((cert) -> {
+            try (InputStream input = new ByteArrayInputStream(cert)) {
+                return (X509Certificate) finalCertFactory.generateCertificate(input);
+            } catch (IOException | CertificateException e) {
+                LogHelper.error(e);
+                return null;
+            }
+        }).toArray(X509Certificate[]::new);
+    }
+
+    public static X509Certificate[] getCertificates() {
+        if(certs == null) certs = getInternalCertificates();
+        return Arrays.copyOf(certs, certs.length);
+    }
+
+    public static TrustManagerFactory getTrustManager() throws KeyStoreException, NoSuchAlgorithmException, IOException, CertificateException {
+        if(INSTANCE != null) return INSTANCE;
+        if(certs == null) certs = getInternalCertificates();
+        TrustManagerFactory factory = TrustManagerFactory.getInstance("X.509");
+        KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
+        keystore.load(null, null);
+
+        int i = 1;
+        for (X509Certificate cert: certs) {
+            String alias = Integer.toString(i);
+            keystore.setCertificateEntry(alias, cert);
+            i++;
+        }
+        factory.init(keystore);
+        INSTANCE = factory;
+        return factory;
+    }
+}
diff --git a/LauncherCore/src/main/java/pro/gravit/launcher/LauncherTrustManager.java b/LauncherCore/src/main/java/pro/gravit/launcher/LauncherTrustManager.java
index 9af0ed90..6756e070 100644
--- a/LauncherCore/src/main/java/pro/gravit/launcher/LauncherTrustManager.java
+++ b/LauncherCore/src/main/java/pro/gravit/launcher/LauncherTrustManager.java
@@ -1,5 +1,6 @@
 package pro.gravit.launcher;
 
+import pro.gravit.utils.helper.JVMHelper;
 import pro.gravit.utils.helper.LogHelper;
 
 import java.io.ByteArrayInputStream;
@@ -19,6 +20,92 @@ public class LauncherTrustManager {
     private final X509Certificate[] trustSigners;
     private final List<X509Certificate> trustCache = new ArrayList<>();
 
+    public enum CheckClassResultType {
+        NOT_SIGNED,
+        SUCCESS,
+        UNTRUSTED,
+        UNVERIFED,
+        UNCOMPAT
+    }
+    public static class CheckClassResult {
+        public final CheckClassResultType type;
+        public final X509Certificate endCertificate;
+        public final X509Certificate rootCertificate;
+        public final Exception exception;
+
+        public CheckClassResult(CheckClassResultType type, X509Certificate endCertificate, X509Certificate rootCertificate) {
+            this.type = type;
+            this.endCertificate = endCertificate;
+            this.rootCertificate = rootCertificate;
+            exception = null;
+        }
+
+        public CheckClassResult(CheckClassResultType type, X509Certificate endCertificate, X509Certificate rootCertificate, Exception exception) {
+            this.type = type;
+            this.endCertificate = endCertificate;
+            this.rootCertificate = rootCertificate;
+            this.exception = exception;
+        }
+
+        public CheckClassResult(CheckClassResult orig) {
+            this.type = orig.type;
+            this.exception = orig.exception;
+            this.rootCertificate = orig.rootCertificate;
+            this.endCertificate = orig.endCertificate;
+        }
+    }
+    public CheckClassResult checkCertificates( X509Certificate[] certs, CertificateChecker checker) {
+        if(certs == null) return new CheckClassResult(CheckClassResultType.NOT_SIGNED, null, null);
+        X509Certificate rootCert = certs[certs.length-1];
+        X509Certificate endCert = certs[0];
+        for (int i = 0; i < certs.length; ++i) {
+            X509Certificate cert = certs[i];
+            if (trustCache.contains(cert)) {
+                //Добавляем в кеш все проверенные сертификаты
+                trustCache.addAll(Arrays.asList(certs).subList(0, i));
+                return new CheckClassResult(CheckClassResultType.SUCCESS, endCert, rootCert);
+            }
+            X509Certificate signer = (i + 1 < certs.length) ? certs[i + 1] : null;
+            try {
+                cert.checkValidity();
+            } catch (Exception e) {
+                return new CheckClassResult(CheckClassResultType.UNVERIFED, endCert, rootCert, e);
+            }
+
+            if (signer != null) {
+                try {
+                    cert.verify(signer.getPublicKey());
+                } catch (Exception e) {
+                    return new CheckClassResult(CheckClassResultType.UNVERIFED, endCert, rootCert, e);
+                }
+            } else {
+                try {
+                    if(isTrusted(cert)) {
+                        continue;
+                    } else {
+                        return new CheckClassResult(CheckClassResultType.UNTRUSTED, endCert, rootCert);
+                    }
+                } catch (CertificateEncodingException e) {
+                    return new CheckClassResult(CheckClassResultType.UNVERIFED, endCert, rootCert, e);
+                }
+            }
+            try {
+                checker.check(cert, signer, i);
+            } catch (Exception e) {
+                return new CheckClassResult(CheckClassResultType.UNCOMPAT, endCert, rootCert, e);
+            }
+        }
+        Collections.addAll(trustCache, certs);
+        return new CheckClassResult(CheckClassResultType.SUCCESS, endCert, rootCert);
+    }
+
+    public void checkCertificatesSuccess( X509Certificate[] certs, CertificateChecker checker) throws Exception {
+        CheckClassResult result = checkCertificates(certs, checker);
+        if(result.type == CheckClassResultType.SUCCESS) return;
+        if(result.exception != null) throw result.exception;
+        throw new SecurityException(result.type.name());
+    }
+
     public LauncherTrustManager(X509Certificate[] trustSigners) {
         this.trustSigners = trustSigners;
     }
@@ -35,6 +122,7 @@ public LauncherTrustManager(List<byte[]> encodedCertificate) throws CertificateE
         }).toArray(X509Certificate[]::new);
     }
 
+    @Deprecated
     public void checkCertificate(X509Certificate[] certs, CertificateChecker checker) throws CertificateException, NoSuchProviderException, NoSuchAlgorithmException, InvalidKeyException, SignatureException {
         if (certs == null) throw new SecurityException("Object not signed");
         for (int i = 0; i < certs.length; ++i) {
@@ -105,7 +193,7 @@ public void stdCertificateChecker(X509Certificate cert, X509Certificate signer,
         else
             isCertificateCA(cert);
     }
-
+    @Deprecated
     public enum CheckMode {
         EXCEPTION_IN_NOT_SIGNED, WARN_IN_NOT_SIGNED, NONE_IN_NOT_SIGNED
     }
diff --git a/LauncherCore/src/main/java/pro/gravit/utils/Version.java b/LauncherCore/src/main/java/pro/gravit/utils/Version.java
index f94eaf4f..1686b8bc 100644
--- a/LauncherCore/src/main/java/pro/gravit/utils/Version.java
+++ b/LauncherCore/src/main/java/pro/gravit/utils/Version.java
@@ -6,8 +6,8 @@ public final class Version {
 
     public static final int MAJOR = 5;
     public static final int MINOR = 1;
-    public static final int PATCH = 9;
-    public static final int BUILD = 1;
+    public static final int PATCH = 10;
+    public static final int BUILD = 2;
     public static final Version.Type RELEASE = Type.STABLE;
     public final int major;
     public final int minor;
diff --git a/build.gradle b/build.gradle
index 915ab739..b53c73e8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@
     id 'org.openjfx.javafxplugin' version '0.0.8' apply false
 }
 group = 'pro.gravit.launcher'
-version = '5.1.9'
+version = '5.1.10'
 
 apply from: 'props.gradle'
 
diff --git a/modules b/modules
index 5c4f6850..4a271864 160000
--- a/modules
+++ b/modules
@@ -1 +1 @@
-Subproject commit 5c4f6850bd4feeee0caff5561564b7e54bb94774
+Subproject commit 4a2718644a38c263da18e303767901b018ed520e