diff --git a/TMessagesProj/appcenter-pre-build.sh b/TMessagesProj/appcenter-pre-build.sh
new file mode 100644
index 000000000..5b2721dc9
--- /dev/null
+++ b/TMessagesProj/appcenter-pre-build.sh
@@ -0,0 +1,2 @@
+#!/usr/bin/env bash
+$ANDROID_HOME/tools/bin/sdkmanager "ndk;20.0.5594570"
\ No newline at end of file
diff --git a/TMessagesProj/build.gradle b/TMessagesProj/build.gradle
index 5bd79987e..25fdc153d 100644
--- a/TMessagesProj/build.gradle
+++ b/TMessagesProj/build.gradle
@@ -65,19 +65,27 @@ android {
     }
 
     signingConfigs {
-        Properties properties = new Properties()
-        properties.load(project.rootProject.file('local.properties').newDataInputStream())
+        def keystorePwd = null
+        def alias = null
+        def pwd = null
+        if (project.rootProject.file('local.properties').exists()) {
+            Properties properties = new Properties()
+            properties.load(project.rootProject.file('local.properties').newDataInputStream())
+            keystorePwd = properties.getProperty("RELEASE_STORE_PASSWORD")
+            alias = properties.getProperty("RELEASE_KEY_ALIAS")
+            pwd = properties.getProperty("RELEASE_KEY_PASSWORD")
+        }
         release {
             storeFile file("config/release.keystore")
-            storePassword properties.getProperty("RELEASE_STORE_PASSWORD")
-            keyAlias properties.getProperty("RELEASE_KEY_ALIAS")
-            keyPassword properties.getProperty("RELEASE_KEY_PASSWORD")
+            storePassword keystorePwd != null ? keystorePwd : System.getenv("KEYSTORE_PASS")
+            keyAlias alias != null ? alias : System.getenv("ALIAS_NAME")
+            keyPassword pwd != null ? pwd : System.getenv("ALIAS_PASS")
         }
         debug {
             storeFile file("config/release.keystore")
-            storePassword properties.getProperty("RELEASE_STORE_PASSWORD")
-            keyAlias properties.getProperty("RELEASE_KEY_ALIAS")
-            keyPassword properties.getProperty("RELEASE_KEY_PASSWORD")
+            storePassword keystorePwd != null ? keystorePwd : System.getenv("KEYSTORE_PASS")
+            keyAlias alias != null ? alias : System.getenv("ALIAS_NAME")
+            keyPassword pwd != null ? pwd : System.getenv("ALIAS_PASS")
         }
     }
 
@@ -87,7 +95,7 @@ android {
             debuggable true
             jniDebuggable true
             signingConfig signingConfigs.debug
-            //applicationIdSuffix ".beta"
+            applicationIdSuffix ".beta"
             minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
@@ -134,7 +142,7 @@ android {
             debuggable false
             jniDebuggable false
             signingConfig signingConfigs.debug
-            //applicationIdSuffix ".beta"
+            applicationIdSuffix ".beta"
             minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
@@ -290,7 +298,7 @@ android {
         }
     }
 
-    defaultConfig.versionCode = 10 * 1851
+    defaultConfig.versionCode = 10 * 1852
 
     applicationVariants.all { variant ->
         variant.outputs.all { output ->
diff --git a/TMessagesProj/config/release.keystore b/TMessagesProj/config/release.keystore
index 4c32fd31e..0e19e4b75 100644
Binary files a/TMessagesProj/config/release.keystore and b/TMessagesProj/config/release.keystore differ
diff --git a/TMessagesProj/google-services.json b/TMessagesProj/google-services.json
index 32d883aba..d7c090b1c 100755
--- a/TMessagesProj/google-services.json
+++ b/TMessagesProj/google-services.json
@@ -21,19 +21,52 @@
       ],
       "api_key": [
         {
-          "current_key": "AIzaSyAC4QRIDv2Tjp79zR2aqFgzYd_s1d_nsHI"
+          "current_key": "AIzaSyCGMAA5lSWvRAgaVtF1-Bh3Di07zePnUbA"
+        },
+        {
+          "current_key": "AIzaSyB1FZcptgvQQZcUrPV7cJmjG5zkbCWxiK0"
         }
       ],
       "services": {
-        "analytics_service": {
-          "status": 1
-        },
         "appinvite_service": {
-          "status": 1,
-          "other_platform_oauth_client": []
+          "other_platform_oauth_client": [
+            {
+              "client_id": "551995224478-u59bvc0oqd8ma9499rvo9s5vvgofrd0f.apps.googleusercontent.com",
+              "client_type": 3
+            }
+          ]
+        }
+      }
+    },
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:551995224478:android:99f9755a158003cb3a268f",
+        "android_client_info": {
+          "package_name": "tw.nekomimi.nekogram.beta"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "551995224478-u59bvc0oqd8ma9499rvo9s5vvgofrd0f.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyCGMAA5lSWvRAgaVtF1-Bh3Di07zePnUbA"
         },
-        "ads_service": {
-          "status": 2
+        {
+          "current_key": "AIzaSyB1FZcptgvQQZcUrPV7cJmjG5zkbCWxiK0"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": [
+            {
+              "client_id": "551995224478-u59bvc0oqd8ma9499rvo9s5vvgofrd0f.apps.googleusercontent.com",
+              "client_type": 3
+            }
+          ]
         }
       }
     }
diff --git a/TMessagesProj/src/main/java/org/telegram/messenger/BuildVars.java b/TMessagesProj/src/main/java/org/telegram/messenger/BuildVars.java
index 9019e0ca6..703ca9b9b 100644
--- a/TMessagesProj/src/main/java/org/telegram/messenger/BuildVars.java
+++ b/TMessagesProj/src/main/java/org/telegram/messenger/BuildVars.java
@@ -19,7 +19,7 @@ public class BuildVars {
     public static boolean USE_CLOUD_STRINGS = true;
     public static boolean CHECK_UPDATES = true;
     public static boolean TON_WALLET_STANDALONE = false;
-    public static int BUILD_VERSION = 1851;
+    public static int BUILD_VERSION = 1852;
     public static String BUILD_VERSION_STRING = "5.14.0";
     public static int APP_ID = 336779; //obtain your own APP_ID at https://core.telegram.org/api/obtaining_api_id
     public static String APP_HASH = "b91eefacc86747c068c8d8a16b41500d"; //obtain your own APP_HASH at https://core.telegram.org/api/obtaining_api_id
diff --git a/TMessagesProj/src/main/java/tw/nekomimi/nekogram/NekoSettingsActivity.java b/TMessagesProj/src/main/java/tw/nekomimi/nekogram/NekoSettingsActivity.java
index ea3b75cce..4bbd15806 100644
--- a/TMessagesProj/src/main/java/tw/nekomimi/nekogram/NekoSettingsActivity.java
+++ b/TMessagesProj/src/main/java/tw/nekomimi/nekogram/NekoSettingsActivity.java
@@ -679,6 +679,11 @@ public class NekoSettingsActivity extends BaseFragment {
         public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
             switch (holder.getItemViewType()) {
                 case 1: {
+                    if (position == experiment2Row) {
+                        holder.itemView.setBackgroundDrawable(Theme.getThemedDrawable(mContext, R.drawable.greydivider_bottom, Theme.key_windowBackgroundGrayShadow));
+                    } else {
+                        holder.itemView.setBackgroundDrawable(Theme.getThemedDrawable(mContext, R.drawable.greydivider, Theme.key_windowBackgroundGrayShadow));
+                    }
                     break;
                 }
                 case 2: {