diff --git a/app/build.gradle b/app/build.gradle
index 38436fe..b4bd991 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -97,6 +97,7 @@ dependencies {
     implementation 'com.github.Fox2Code:FoxCompat:0.0.2'
 
     // Utils
+    implementation 'androidx.work:work-runtime:2.7.1'
     implementation 'com.squareup.okhttp3:okhttp-dnsoverhttps:4.9.3'
     implementation 'com.squareup.okhttp3:okhttp-brotli:4.9.3'
     implementation 'com.github.topjohnwu.libsu:io:5.0.1'
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 830b145..57b2c75 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -11,6 +11,8 @@
     <uses-permission android:name="android.permission.INTERNET" />
     <!-- WebView offline webpage support -->
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <!-- Check if there is modules updates on boot -->
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <!-- Open config apps for applications -->
     <uses-permission-sdk-23 android:name="android.permission.QUERY_ALL_PACKAGES" />
     <!-- Supposed to fix bugs with old firmware, only requested on pre Marshmallow -->
@@ -31,7 +33,14 @@
         android:networkSecurityConfig="@xml/network_security_config"
         android:usesCleartextTraffic="false"
         tools:targetApi="s"
-        tools:replace="android:supportsRtl">
+        tools:replace="android:supportsRtl"
+        tools:ignore="ManifestResource">
+        <receiver android:name="com.fox2code.mmm.background.BackgroundBootListener"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.BOOT_COMPLETED" />
+            </intent-filter>
+        </receiver>
         <activity
             android:name=".settings.SettingsActivity"
             android:parentActivityName=".MainActivity"
diff --git a/app/src/main/java/com/fox2code/mmm/MainActivity.java b/app/src/main/java/com/fox2code/mmm/MainActivity.java
index 30fbc21..8a2c99e 100644
--- a/app/src/main/java/com/fox2code/mmm/MainActivity.java
+++ b/app/src/main/java/com/fox2code/mmm/MainActivity.java
@@ -16,6 +16,7 @@ import android.widget.TextView;
 import androidx.annotation.NonNull;
 import androidx.appcompat.widget.SearchView;
 import androidx.cardview.widget.CardView;
+import androidx.core.app.NotificationManagerCompat;
 import androidx.core.graphics.ColorUtils;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
@@ -23,6 +24,7 @@ import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 
 import com.fox2code.foxcompat.FoxActivity;
 import com.fox2code.foxcompat.FoxDisplay;
+import com.fox2code.mmm.background.BackgroundUpdateChecker;
 import com.fox2code.mmm.installer.InstallerInitializer;
 import com.fox2code.mmm.manager.LocalModuleInfo;
 import com.fox2code.mmm.manager.ModuleManager;
@@ -64,9 +66,16 @@ public class MainActivity extends FoxActivity implements SwipeRefreshLayout.OnRe
         this.moduleViewListBuilder.addNotification(NotificationType.INSTALL_FROM_STORAGE);
     }
 
+    @Override
+    protected void onResume() {
+        BackgroundUpdateChecker.onMainActivityResume(this);
+        super.onResume();
+    }
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         this.initMode = true;
+        BackgroundUpdateChecker.onMainActivityCreate(this);
         super.onCreate(savedInstanceState);
          this.setActionBarExtraMenuButton(R.drawable.ic_baseline_settings_24, v -> {
             IntentHelper.startActivity(this, SettingsActivity.class);
@@ -395,7 +404,8 @@ public class MainActivity extends FoxActivity implements SwipeRefreshLayout.OnRe
         this.searchView.clearFocus();
         if (this.initMode) return false;
         if (this.moduleViewListBuilder.setQueryChange(query)) {
-            new Thread(() -> this.moduleViewListBuilder.applyTo(moduleList, moduleViewAdapter), "Query update thread").start();
+            new Thread(() -> this.moduleViewListBuilder.applyTo(
+                    moduleList, moduleViewAdapter), "Query update thread").start();
         }
         return true;
     }
@@ -404,7 +414,8 @@ public class MainActivity extends FoxActivity implements SwipeRefreshLayout.OnRe
     public boolean onQueryTextChange(String query) {
         if (this.initMode) return false;
         if (this.moduleViewListBuilder.setQueryChange(query)) {
-            new Thread(() -> this.moduleViewListBuilder.applyTo(moduleList, moduleViewAdapter), "Query update thread").start();
+            new Thread(() -> this.moduleViewListBuilder.applyTo(
+                    moduleList, moduleViewAdapter), "Query update thread").start();
         }
         return false;
     }
@@ -413,7 +424,8 @@ public class MainActivity extends FoxActivity implements SwipeRefreshLayout.OnRe
     public boolean onClose() {
         if (this.initMode) return false;
         if (this.moduleViewListBuilder.setQueryChange(null)) {
-            new Thread(() -> this.moduleViewListBuilder.applyTo(moduleList, moduleViewAdapter), "Query update thread").start();
+            new Thread(() -> this.moduleViewListBuilder.applyTo(
+                    moduleList, moduleViewAdapter), "Query update thread").start();
         }
         return false;
     }
diff --git a/app/src/main/java/com/fox2code/mmm/MainApplication.java b/app/src/main/java/com/fox2code/mmm/MainApplication.java
index 33b7f0a..8ae52fc 100644
--- a/app/src/main/java/com/fox2code/mmm/MainApplication.java
+++ b/app/src/main/java/com/fox2code/mmm/MainApplication.java
@@ -17,10 +17,16 @@ import androidx.annotation.StyleRes;
 import androidx.emoji2.text.DefaultEmojiCompatConfig;
 import androidx.emoji2.text.EmojiCompat;
 import androidx.emoji2.text.FontRequestEmojiCompatConfig;
+import androidx.work.Constraints;
+import androidx.work.ExistingPeriodicWorkPolicy;
+import androidx.work.NetworkType;
+import androidx.work.PeriodicWorkRequest;
+import androidx.work.WorkManager;
 
 import com.fox2code.foxcompat.FoxActivity;
 import com.fox2code.foxcompat.FoxApplication;
 import com.fox2code.foxcompat.FoxThemeWrapper;
+import com.fox2code.mmm.background.BackgroundUpdateChecker;
 import com.fox2code.mmm.installer.InstallerInitializer;
 import com.fox2code.mmm.utils.GMSProviderInstaller;
 import com.fox2code.mmm.utils.Http;
@@ -31,6 +37,7 @@ import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.Locale;
 import java.util.Random;
+import java.util.concurrent.TimeUnit;
 
 import io.noties.markwon.Markwon;
 import io.noties.markwon.html.HtmlPlugin;
@@ -47,7 +54,8 @@ import io.noties.prism4j.annotations.PrismBundle;
         includeAll = true,
         grammarLocatorClassName = ".Prism4jGrammarLocator"
 )
-public class MainApplication extends FoxApplication {
+public class MainApplication extends FoxApplication
+        implements androidx.work.Configuration.Provider {
     private static final String timeFormatString = "dd MMM yyyy"; // Example: 13 july 2001
     private static Locale timeFormatLocale =
             Resources.getSystem().getConfiguration().locale;
@@ -146,6 +154,10 @@ public class MainApplication extends FoxApplication {
                 && isDeveloper();
     }
 
+    public static boolean isBackgroundUpdateCheckEnabled() {
+        return getSharedPreferences().getBoolean("pref_background_update_check", true);
+    }
+
     public static boolean isFirstBoot() {
         return firstBoot;
     }
@@ -196,6 +208,12 @@ public class MainApplication extends FoxApplication {
         return this.markwonThemeContext;
     }
 
+    @NonNull
+    @Override
+    public androidx.work.Configuration getWorkManagerConfiguration() {
+        return new androidx.work.Configuration.Builder().build();
+    }
+
     private class Prism4jSwitchTheme implements Prism4jTheme {
         private final Prism4jTheme light = new Prism4jThemeDefault(Color.TRANSPARENT);
         private final Prism4jTheme dark = new Prism4jThemeDarkula(Color.TRANSPARENT);
diff --git a/app/src/main/java/com/fox2code/mmm/background/BackgroundBootListener.java b/app/src/main/java/com/fox2code/mmm/background/BackgroundBootListener.java
new file mode 100644
index 0000000..0d26547
--- /dev/null
+++ b/app/src/main/java/com/fox2code/mmm/background/BackgroundBootListener.java
@@ -0,0 +1,19 @@
+package com.fox2code.mmm.background;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+import com.fox2code.mmm.MainApplication;
+
+public class BackgroundBootListener extends BroadcastReceiver {
+    private static final String BOOT_COMPLETED = "android.intent.action.BOOT_COMPLETED";
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        if (!BOOT_COMPLETED.equals(intent.getAction())) return;
+        if (!MainApplication.isBackgroundUpdateCheckEnabled()) return;
+        BackgroundUpdateChecker.onMainActivityCreate(context);
+        BackgroundUpdateChecker.doCheck(context);
+    }
+}
diff --git a/app/src/main/java/com/fox2code/mmm/background/BackgroundUpdateChecker.java b/app/src/main/java/com/fox2code/mmm/background/BackgroundUpdateChecker.java
new file mode 100644
index 0000000..c04cd69
--- /dev/null
+++ b/app/src/main/java/com/fox2code/mmm/background/BackgroundUpdateChecker.java
@@ -0,0 +1,115 @@
+package com.fox2code.mmm.background;
+
+import android.app.PendingIntent;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Build;
+
+import androidx.annotation.NonNull;
+import androidx.core.app.NotificationChannelCompat;
+import androidx.core.app.NotificationCompat;
+import androidx.core.app.NotificationManagerCompat;
+import androidx.work.Constraints;
+import androidx.work.ExistingPeriodicWorkPolicy;
+import androidx.work.NetworkType;
+import androidx.work.PeriodicWorkRequest;
+import androidx.work.WorkManager;
+import androidx.work.Worker;
+import androidx.work.WorkerParameters;
+
+import com.fox2code.mmm.MainActivity;
+import com.fox2code.mmm.MainApplication;
+import com.fox2code.mmm.R;
+import com.fox2code.mmm.manager.LocalModuleInfo;
+import com.fox2code.mmm.manager.ModuleManager;
+import com.fox2code.mmm.repo.RepoManager;
+import com.fox2code.mmm.repo.RepoModule;
+
+import java.util.Random;
+import java.util.concurrent.TimeUnit;
+
+public class BackgroundUpdateChecker extends Worker {
+    private static boolean easterEggActive = false;
+    public static final String NOTIFICATION_CHANNEL_ID = "background_update";
+    public static final int NOTIFICATION_ID = 1;
+
+    public BackgroundUpdateChecker(@NonNull Context context,
+                                   @NonNull WorkerParameters workerParams) {
+        super(context, workerParams);
+    }
+
+    @NonNull
+    @Override
+    public Result doWork() {
+        if (!NotificationManagerCompat.from(this.getApplicationContext()).areNotificationsEnabled()
+                || !MainApplication.isBackgroundUpdateCheckEnabled()) return Result.success();
+
+        doCheck(this.getApplicationContext());
+
+        return Result.success();
+    }
+
+    static void doCheck(Context context) {
+        Thread.currentThread().setPriority(Thread.MIN_PRIORITY);
+        RepoManager.getINSTANCE().update(null);
+        ModuleManager.getINSTANCE().scan();
+        ModuleManager.getINSTANCE().scan();
+        int moduleUpdateCount = 0;
+        for (LocalModuleInfo localModuleInfo :
+                ModuleManager.getINSTANCE().getModules().values()) {
+            RepoModule repoModule = RepoManager.getINSTANCE()
+                    .getModules().get(localModuleInfo.id);
+            localModuleInfo.checkModuleUpdate();
+            if (localModuleInfo.updateVersionCode > localModuleInfo.versionCode) {
+                moduleUpdateCount++;
+            } else if (repoModule != null &&
+                    repoModule.moduleInfo.versionCode > localModuleInfo.versionCode) {
+                moduleUpdateCount++;
+            }
+        }
+        if (moduleUpdateCount != 0) {
+            postNotification(context, moduleUpdateCount);
+        }
+    }
+
+    public static void postNotification(Context context, int updateCount) {
+        if (!easterEggActive) easterEggActive = new Random().nextInt(100) <= updateCount;
+        NotificationCompat.Builder builder = new NotificationCompat.Builder(
+                context, NOTIFICATION_CHANNEL_ID)
+                .setContentTitle(context.getString(easterEggActive ?
+                                R.string.notification_update_title_easter_egg :
+                                R.string.notification_update_title)
+                        .replace("%i", String.valueOf(updateCount)))
+                .setContentText(context.getString(R.string.notification_update_subtitle))
+                .setSmallIcon(R.drawable.ic_baseline_extension_24)
+                .setPriority(NotificationCompat.PRIORITY_HIGH)
+                .setContentIntent(PendingIntent.getActivity(context, 0,
+                        new Intent(context, MainActivity.class).setFlags(
+                                Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK),
+                        Build.VERSION.SDK_INT >= Build.VERSION_CODES.M ?
+                                PendingIntent.FLAG_IMMUTABLE : 0)).setAutoCancel(true);
+        NotificationManagerCompat.from(context).notify(NOTIFICATION_ID, builder.build());
+    }
+
+    public static void onMainActivityCreate(Context context) {
+        NotificationManagerCompat notificationManagerCompat =
+                NotificationManagerCompat.from(context);
+        notificationManagerCompat.createNotificationChannel(
+                new NotificationChannelCompat.Builder(NOTIFICATION_CHANNEL_ID,
+                        NotificationManagerCompat.IMPORTANCE_HIGH).setShowBadge(true)
+                        .setName(context.getString(R.string.notification_update_pref)).build());
+        notificationManagerCompat.cancel(BackgroundUpdateChecker.NOTIFICATION_ID);
+        BackgroundUpdateChecker.easterEggActive = false;
+        WorkManager.getInstance(context).enqueueUniquePeriodicWork("background_checker",
+                ExistingPeriodicWorkPolicy.REPLACE, new PeriodicWorkRequest.Builder(
+                        BackgroundUpdateChecker.class, 6, TimeUnit.HOURS)
+                        .setConstraints(new Constraints.Builder().setRequiresBatteryNotLow(true)
+                                .setRequiredNetworkType(NetworkType.UNMETERED).build()).build());
+    }
+
+    public static void onMainActivityResume(Context context) {
+        NotificationManagerCompat.from(context).cancel(
+                BackgroundUpdateChecker.NOTIFICATION_ID);
+        BackgroundUpdateChecker.easterEggActive = false;
+    }
+}
diff --git a/app/src/main/java/com/fox2code/mmm/module/ActionButtonType.java b/app/src/main/java/com/fox2code/mmm/module/ActionButtonType.java
index 0157144..e9a2ebd 100644
--- a/app/src/main/java/com/fox2code/mmm/module/ActionButtonType.java
+++ b/app/src/main/java/com/fox2code/mmm/module/ActionButtonType.java
@@ -253,7 +253,8 @@ public enum ActionButtonType {
         if (url.startsWith("https://www.paypal.me/") ||
                 url.startsWith("https://www.paypal.com/paypalme/")) {
             icon = R.drawable.ic_baseline_paypal_24;
-        } else if (url.startsWith("https://www.patreon.com/")) {
+        } else if (url.startsWith("https://patreon.com/") ||
+                url.startsWith("https://www.patreon.com/")) {
             icon = R.drawable.ic_patreon;
         }
         return icon;
diff --git a/app/src/main/java/com/fox2code/mmm/repo/RepoData.java b/app/src/main/java/com/fox2code/mmm/repo/RepoData.java
index 5c50be4..fdd4f45 100644
--- a/app/src/main/java/com/fox2code/mmm/repo/RepoData.java
+++ b/app/src/main/java/com/fox2code/mmm/repo/RepoData.java
@@ -212,11 +212,14 @@ public class RepoData extends XRepo {
         return this.id;
     }
 
+    private static boolean isNonNull(String str) {
+        return str != null && !str.isEmpty() && !"null".equals(str);
+    }
+
     // Repo data info getters
     @NonNull
     public String getName() {
-        if (this.name != null &&
-                !this.name.isEmpty())
+        if (isNonNull(this.name))
             return this.name;
         if (this.defaultName != null)
             return this.defaultName;
@@ -225,8 +228,7 @@ public class RepoData extends XRepo {
 
     @NonNull
     public String getWebsite() {
-        if (this.website != null &&
-                !this.website.isEmpty())
+        if (isNonNull(this.website))
             return this.website;
         if (this.defaultWebsite != null)
             return this.defaultWebsite;
@@ -234,22 +236,19 @@ public class RepoData extends XRepo {
     }
 
     public String getSupport() {
-        if (this.support != null &&
-                !this.support.isEmpty())
+        if (isNonNull(this.support))
             return this.support;
         return this.defaultSupport;
     }
 
     public String getDonate() {
-        if (this.donate != null &&
-                !this.donate.isEmpty())
+        if (isNonNull(this.donate))
             return this.donate;
         return this.defaultDonate;
     }
 
     public String getSubmitModule() {
-        if (this.submitModule != null &&
-                !this.submitModule.isEmpty())
+        if (isNonNull(this.submitModule))
             return this.submitModule;
         return this.defaultSubmitModule;
     }
diff --git a/app/src/main/java/com/fox2code/mmm/settings/SettingsActivity.java b/app/src/main/java/com/fox2code/mmm/settings/SettingsActivity.java
index 91d9a84..0563d75 100644
--- a/app/src/main/java/com/fox2code/mmm/settings/SettingsActivity.java
+++ b/app/src/main/java/com/fox2code/mmm/settings/SettingsActivity.java
@@ -6,7 +6,6 @@ import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
-import android.content.res.Configuration;
 import android.os.Build;
 import android.os.Bundle;
 import android.util.Log;
@@ -33,6 +32,7 @@ import com.fox2code.mmm.Constants;
 import com.fox2code.mmm.MainActivity;
 import com.fox2code.mmm.MainApplication;
 import com.fox2code.mmm.R;
+import com.fox2code.mmm.background.BackgroundUpdateChecker;
 import com.fox2code.mmm.installer.InstallerInitializer;
 import com.fox2code.mmm.module.ActionButtonType;
 import com.fox2code.mmm.repo.CustomRepoData;
@@ -54,8 +54,10 @@ import org.json.JSONException;
 import java.io.IOException;
 import java.util.HashSet;
 import java.util.Objects;
+import java.util.Random;
 
 public class SettingsActivity extends FoxActivity implements LanguageActivity {
+    private static final int LANGUAGE_SUPPORT_LEVEL = 1;
     private static final String TAG = "SettingsActivity";
     private static int devModeStep = 0;
 
@@ -88,6 +90,12 @@ public class SettingsActivity extends FoxActivity implements LanguageActivity {
         System.exit(0); // Exit app process
     }
 
+    @Override
+    protected void onPause() {
+        BackgroundUpdateChecker.onMainActivityResume(this);
+        super.onPause();
+    }
+
     public static class SettingsFragment extends PreferenceFragmentCompat
             implements FoxActivity.OnBackPressedCallback {
         @Override
@@ -145,10 +153,12 @@ public class SettingsActivity extends FoxActivity implements LanguageActivity {
             HashSet<String> supportedLocales = new HashSet<>();
             supportedLocales.add("cs");
             supportedLocales.add("de");
+            supportedLocales.add("el");
             supportedLocales.add("es-rMX");
             supportedLocales.add("et");
             supportedLocales.add("fr");
             supportedLocales.add("id");
+            supportedLocales.add("it");
             supportedLocales.add("ja");
             supportedLocales.add("nb-rNO");
             supportedLocales.add("pl");
@@ -170,18 +180,20 @@ public class SettingsActivity extends FoxActivity implements LanguageActivity {
                 return true;
             });
 
-            int nightModeFlags =
-                    getContext().getResources().getConfiguration().uiMode &
-                            Configuration.UI_MODE_NIGHT_MASK;
-            switch (nightModeFlags) {
-                case Configuration.UI_MODE_NIGHT_YES:
-                    findPreference("pref_force_dark_terminal").setEnabled(false);
-                    break;
-                case Configuration.UI_MODE_NIGHT_NO:
-                case Configuration.UI_MODE_NIGHT_UNDEFINED:
-                    findPreference("pref_force_dark_terminal").setEnabled(true);
-                    break;
+            int level = this.currentLanguageLevel();
+            if (level != LANGUAGE_SUPPORT_LEVEL) {
+                Log.e(TAG, "Detected language level " + level +
+                        ", latest is " + LANGUAGE_SUPPORT_LEVEL);
+                languageSelector.setSummary(R.string.language_support_outdated);
+            } else {
+                if (!"Translated by Fox2Code".equals( // I don't "translate" english
+                        this.getString(R.string.language_translated_by))) {
+                    languageSelector.setSummary(R.string.language_translated_by);
+                } else {
+                    languageSelector.setSummary(null);
+                }
             }
+
             if (!MainApplication.isDeveloper()) {
                 findPreference("pref_disable_low_quality_module_filter").setVisible(false);
             }
@@ -189,6 +201,23 @@ public class SettingsActivity extends FoxActivity implements LanguageActivity {
                     || !MainApplication.isDeveloper()) {
                 findPreference("pref_use_magisk_install_command").setVisible(false);
             }
+            Preference debugNotification = findPreference("pref_background_update_check_debug");
+            debugNotification.setEnabled(MainApplication.isBackgroundUpdateCheckEnabled());
+            debugNotification.setVisible(MainApplication.isDeveloper());
+            debugNotification.setOnPreferenceClickListener(preference -> {
+                BackgroundUpdateChecker.postNotification(
+                        this.requireContext(), new Random().nextInt(4) + 2);
+                return true;
+            });
+            findPreference("pref_background_update_check").setOnPreferenceChangeListener((preference, newValue) -> {
+                boolean enabled = Boolean.parseBoolean(String.valueOf(newValue));
+                debugNotification.setEnabled(enabled);
+                if (!enabled) {
+                    BackgroundUpdateChecker.onMainActivityResume(
+                            this.requireContext());
+                }
+                return true;
+            });
 
             final LibsBuilder libsBuilder = new LibsBuilder().withShowLoadingProgress(false)
                     .withLicenseShown(true).withAboutMinimalDesign(false);
@@ -201,13 +230,30 @@ public class SettingsActivity extends FoxActivity implements LanguageActivity {
                         "https://github.com/Fox2Code/FoxMagiskModuleManager/releases");
                 return true;
             });
+            if (BuildConfig.DEBUG || BuildConfig.ENABLE_AUTO_UPDATER) {
+                findPreference("pref_report_bug").setOnPreferenceClickListener(p -> {
+                    devModeStep = 0;
+                    IntentHelper.openUrl(p.getContext(),
+                            "https://github.com/Fox2Code/FoxMagiskModuleManager/issues");
+                    return true;
+                });
+            } else {
+                findPreference("pref_report_bug").setVisible(false);
+            }
             findPreference("pref_source_code").setOnPreferenceClickListener(p -> {
-                if (devModeStep == 2 && (BuildConfig.DEBUG || !MainApplication.isDeveloper())) {
+                if (devModeStep == 2) {
                     devModeStep = 0;
-                    MainApplication.getSharedPreferences().edit()
-                            .putBoolean("developer", true).apply();
-                    Toast.makeText(getContext(), // Tell the user something changed
-                            R.string.dev_mode_enabled, Toast.LENGTH_SHORT).show();
+                    if (MainApplication.isDeveloper() && !BuildConfig.DEBUG) {
+                        MainApplication.getSharedPreferences().edit()
+                                .putBoolean("developer", false).apply();
+                        Toast.makeText(getContext(), // Tell the user something changed
+                                R.string.dev_mode_disabled, Toast.LENGTH_SHORT).show();
+                    } else {
+                        MainApplication.getSharedPreferences().edit()
+                                .putBoolean("developer", true).apply();
+                        Toast.makeText(getContext(), // Tell the user something changed
+                                R.string.dev_mode_enabled, Toast.LENGTH_SHORT).show();
+                    }
                     return true;
                 }
                 IntentHelper.openUrl(p.getContext(),
@@ -221,6 +267,7 @@ public class SettingsActivity extends FoxActivity implements LanguageActivity {
             });
             findPreference("pref_show_licenses").setOnPreferenceClickListener(p -> {
                 devModeStep = devModeStep == 1 ? 2 : 0;
+                BackgroundUpdateChecker.onMainActivityResume(this.requireContext());
                 openFragment(libsBuilder.supportFragment(), R.string.licenses);
                 return true;
             });
@@ -250,6 +297,21 @@ public class SettingsActivity extends FoxActivity implements LanguageActivity {
                     .commit();
             return true;
         }
+
+        private int currentLanguageLevel() {
+            int declaredLanguageLevel =
+                    this.getResources().getInteger(R.integer.language_support_level);
+            if (declaredLanguageLevel != LANGUAGE_SUPPORT_LEVEL)
+                return declaredLanguageLevel;
+            if (!this.getResources().getConfiguration().locale.getLanguage().equals("en") &&
+                    this.getResources().getString(R.string.notification_update_pref)
+                            .equals("Background modules update check") &&
+                    this.getResources().getString(R.string.notification_update_desc)
+                            .equals("May increase battery usage")) {
+                return 0;
+            }
+            return LANGUAGE_SUPPORT_LEVEL;
+        }
     }
 
     public static class RepoFragment extends PreferenceFragmentCompat {
diff --git a/app/src/main/res/drawable/ic_baseline_notifications_24.xml b/app/src/main/res/drawable/ic_baseline_notifications_24.xml
new file mode 100644
index 0000000..6994560
--- /dev/null
+++ b/app/src/main/res/drawable/ic_baseline_notifications_24.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M12,22c1.1,0 2,-0.9 2,-2h-4c0,1.1 0.89,2 2,2zM18,16v-5c0,-3.07 -1.64,-5.64 -4.5,-6.32L13.5,4c0,-0.83 -0.67,-1.5 -1.5,-1.5s-1.5,0.67 -1.5,1.5v0.68C7.63,5.36 6,7.92 6,11v5l-2,2v1h16v-1l-2,-2z"/>
+</vector>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 6525e78..7948e57 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -27,6 +27,10 @@
     <string name="description">Description</string>
     <string name="uninstall">Uninstall</string>
     <string name="config">Config</string>
+    <string name="favourite">Favourite</string>
+    <string name="report_bugs">Report bugs</string>
+    <string name="sniffed_modules">Sniffed modules</string>
+    <string name="sniffing_modules">Sniffing modules</string>
     <string name="submit_modules">Submit a module</string>
     <string name="require_android_6">Requires Android 6.0+</string>
     <string name="require_android_12">Requires Android 12+</string>
@@ -96,6 +100,7 @@
         so this option behind is hidden behind developer mode.\nTurn this on at your own risk!
     </string>
     <string name="dev_mode_enabled">Developer mode on</string>
+    <string name="dev_mode_disabled">Developer mode off</string>
     <string name="force_english_pref">English app language</string>
     <string name="disable_low_quality_module_filter_pref">Show low-quality modules</string>
     <string name="disable_low_quality_module_filter_desc">
@@ -128,6 +133,21 @@
     <string name="backup_module_list">Backup modules</string>
     <string name="restore_module_list">Restore modules</string>
     <string name="require_internet">This operation require an internet connection</string>
+
+    <!-- Background Notification translation -->
+    <string name="notification_update_title">Found %i module updates</string>
+    <string name="notification_update_title_easter_egg">Sniffed %i module updates</string>
+    <string name="notification_update_subtitle">Click to open the app</string>
+    <string name="notification_update_pref">Background modules update check</string>
+    <string name="notification_update_desc">May increase battery usage</string>
+    <string name="notification_update_debug_pref">Test Notification</string>
+
     <!-- Set to true in translation file if your language is right to left -->
     <bool name="lang_support_rtl">false</bool>
+    <!-- Always copy language_support_level when translating -->
+    <integer name="language_support_level">1</integer>
+    <string name="language_support_outdated">Some translations for the current language are
+        not up-to-date, please consider contributing to the app translations on GitHub</string>
+    <!-- Replace with your own username when translating -->
+    <string name="language_translated_by">Translated by Fox2Code</string>
 </resources>
diff --git a/app/src/main/res/xml/root_preferences.xml b/app/src/main/res/xml/root_preferences.xml
index 38cc9e1..5325cb9 100644
--- a/app/src/main/res/xml/root_preferences.xml
+++ b/app/src/main/res/xml/root_preferences.xml
@@ -31,6 +31,19 @@
             app:title="@string/use_magisk_install_command_pref"
             app:summary="@string/use_magisk_install_command_desc"
             app:singleLineTitle="false"	/>
+
+        <SwitchPreferenceCompat
+            app:defaultValue="true"
+            app:key="pref_background_update_check"
+            app:icon="@drawable/ic_baseline_notifications_24"
+            app:title="@string/notification_update_pref"
+            app:summary="@string/notification_update_desc"
+            app:singleLineTitle="false"	/>
+
+        <Preference
+            app:key="pref_background_update_check_debug"
+            app:title="@string/notification_update_debug_pref"
+            app:singleLineTitle="false"	/>
     </PreferenceCategory>
 
     <PreferenceCategory app:title="@string/pref_category_appearance">
@@ -111,6 +124,11 @@
             app:icon="@drawable/ic_baseline_system_update_24"
             app:title="@string/app_update"
             app:singleLineTitle="false"	/>
+        <Preference
+            app:key="pref_report_bug"
+            app:icon="@drawable/ic_baseline_bug_report_24"
+            app:title="@string/report_bugs"
+            app:singleLineTitle="false"	/>
         <Preference
             app:key="pref_source_code"
             app:icon="@drawable/ic_github"