diff --git a/app/build.gradle b/app/build.gradle
index 40a431b1..eeb162d8 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -42,7 +42,7 @@ android {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:5.2.10'
+    implementation 'com.simplemobiletools:commons:5.3.9'
 
     implementation files('../libs/RootTools.jar')
 }
diff --git a/app/src/main/kotlin/com/simplemobiletools/filemanager/activities/SettingsActivity.kt b/app/src/main/kotlin/com/simplemobiletools/filemanager/activities/SettingsActivity.kt
index 1fda7ada..93653f4e 100644
--- a/app/src/main/kotlin/com/simplemobiletools/filemanager/activities/SettingsActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/filemanager/activities/SettingsActivity.kt
@@ -22,13 +22,12 @@ class SettingsActivity : SimpleActivity() {
     override fun onResume() {
         super.onResume()
 
-        setupPurchaseThankYou()
+        setupUpgradeToPro()
         setupCustomizeColors()
         setupUseEnglish()
-        setupAvoidWhatsNew()
         setupManageFavorites()
         setupShowHidden()
-        setupPasswordProtection()
+        setupHiddenItemPasswordProtection()
         setupKeepLastModified()
         setupShowInfoBubble()
         setupEnableRootAccess()
@@ -43,10 +42,10 @@ class SettingsActivity : SimpleActivity() {
         }
     }
 
-    private fun setupPurchaseThankYou() {
-        settings_purchase_thank_you_holder.beVisibleIf(config.appRunCount > 10 && !isThankYouInstalled())
-        settings_purchase_thank_you_holder.setOnClickListener {
-            launchPurchaseThankYouIntent()
+    private fun setupUpgradeToPro() {
+        settings_upgrade_to_pro_holder.beGoneIf(isAProApp())
+        settings_upgrade_to_pro_holder.setOnClickListener {
+            launchUpgradeToProIntent()
         }
     }
 
@@ -72,14 +71,6 @@ class SettingsActivity : SimpleActivity() {
         }
     }
 
-    private fun setupAvoidWhatsNew() {
-        settings_avoid_whats_new.isChecked = config.avoidWhatsNew
-        settings_avoid_whats_new_holder.setOnClickListener {
-            settings_avoid_whats_new.toggle()
-            config.avoidWhatsNew = settings_avoid_whats_new.isChecked
-        }
-    }
-
     private fun setupShowHidden() {
         settings_show_hidden.isChecked = config.showHidden
         settings_show_hidden_holder.setOnClickListener {
@@ -98,20 +89,20 @@ class SettingsActivity : SimpleActivity() {
         config.showHidden = settings_show_hidden.isChecked
     }
 
-    private fun setupPasswordProtection() {
-        settings_password_protection.isChecked = config.isPasswordProtectionOn
+    private fun setupHiddenItemPasswordProtection() {
+        settings_password_protection.isChecked = config.isHiddenPasswordProtectionOn
         settings_password_protection_holder.setOnClickListener {
-            val tabToShow = if (config.isPasswordProtectionOn) config.protectionType else SHOW_ALL_TABS
-            SecurityDialog(this, config.passwordHash, tabToShow) { hash, type, success ->
+            val tabToShow = if (config.isHiddenPasswordProtectionOn) config.hiddenProtectionType else SHOW_ALL_TABS
+            SecurityDialog(this, config.hiddenPasswordHash, tabToShow) { hash, type, success ->
                 if (success) {
-                    val hasPasswordProtection = config.isPasswordProtectionOn
+                    val hasPasswordProtection = config.isHiddenPasswordProtectionOn
                     settings_password_protection.isChecked = !hasPasswordProtection
-                    config.isPasswordProtectionOn = !hasPasswordProtection
-                    config.passwordHash = if (hasPasswordProtection) "" else hash
-                    config.protectionType = type
+                    config.isHiddenPasswordProtectionOn = !hasPasswordProtection
+                    config.hiddenPasswordHash = if (hasPasswordProtection) "" else hash
+                    config.hiddenProtectionType = type
 
-                    if (config.isPasswordProtectionOn) {
-                        val confirmationTextId = if (config.protectionType == PROTECTION_FINGERPRINT)
+                    if (config.isHiddenPasswordProtectionOn) {
+                        val confirmationTextId = if (config.hiddenProtectionType == PROTECTION_FINGERPRINT)
                             R.string.fingerprint_setup_successfully else R.string.protection_setup_successfully
                         ConfirmationDialog(this, "", confirmationTextId, R.string.ok, 0) { }
                     }
diff --git a/app/src/main/res/layout/activity_settings.xml b/app/src/main/res/layout/activity_settings.xml
index 0b945e99..2e631a62 100644
--- a/app/src/main/res/layout/activity_settings.xml
+++ b/app/src/main/res/layout/activity_settings.xml
@@ -13,24 +13,24 @@
         android:orientation="vertical">
 
         <RelativeLayout
-            android:id="@+id/settings_purchase_thank_you_holder"
+            android:id="@+id/settings_upgrade_to_pro_holder"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingBottom="@dimen/activity_margin"
             android:paddingLeft="@dimen/normal_margin"
+            android:paddingTop="@dimen/activity_margin"
             android:paddingRight="@dimen/normal_margin"
-            android:paddingTop="@dimen/activity_margin">
+            android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MyTextView
-                android:id="@+id/settings_purchase_thank_you"
+                android:id="@+id/settings_upgrade_to_pro"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_centerVertical="true"
-                android:paddingLeft="@dimen/medium_margin"
                 android:paddingStart="@dimen/medium_margin"
-                android:text="@string/purchase_simple_thank_you"/>
+                android:paddingLeft="@dimen/medium_margin"
+                android:text="@string/upgrade_to_pro"/>
 
         </RelativeLayout>
 
@@ -40,18 +40,18 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingBottom="@dimen/activity_margin"
             android:paddingLeft="@dimen/normal_margin"
+            android:paddingTop="@dimen/activity_margin"
             android:paddingRight="@dimen/normal_margin"
-            android:paddingTop="@dimen/activity_margin">
+            android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MyTextView
                 android:id="@+id/settings_customize_colors"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_centerVertical="true"
-                android:paddingLeft="@dimen/medium_margin"
                 android:paddingStart="@dimen/medium_margin"
+                android:paddingLeft="@dimen/medium_margin"
                 android:text="@string/customize_colors"/>
 
         </RelativeLayout>
@@ -62,18 +62,18 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingBottom="@dimen/activity_margin"
             android:paddingLeft="@dimen/normal_margin"
+            android:paddingTop="@dimen/activity_margin"
             android:paddingRight="@dimen/normal_margin"
-            android:paddingTop="@dimen/activity_margin">
+            android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MyTextView
                 android:id="@+id/settings_manage_favorites"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_centerVertical="true"
-                android:paddingLeft="@dimen/medium_margin"
                 android:paddingStart="@dimen/medium_margin"
+                android:paddingLeft="@dimen/medium_margin"
                 android:text="@string/manage_favorites"/>
 
         </RelativeLayout>
@@ -84,10 +84,10 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingBottom="@dimen/activity_margin"
             android:paddingLeft="@dimen/normal_margin"
+            android:paddingTop="@dimen/activity_margin"
             android:paddingRight="@dimen/normal_margin"
-            android:paddingTop="@dimen/activity_margin">
+            android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MySwitchCompat
                 android:id="@+id/settings_use_english"
@@ -95,37 +95,13 @@
                 android:layout_height="wrap_content"
                 android:background="@null"
                 android:clickable="false"
-                android:paddingLeft="@dimen/medium_margin"
                 android:paddingStart="@dimen/medium_margin"
+                android:paddingLeft="@dimen/medium_margin"
                 android:text="@string/use_english_language"
                 app:switchPadding="@dimen/medium_margin"/>
 
         </RelativeLayout>
 
-        <RelativeLayout
-            android:id="@+id/settings_avoid_whats_new_holder"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="@dimen/medium_margin"
-            android:background="?attr/selectableItemBackground"
-            android:paddingBottom="@dimen/activity_margin"
-            android:paddingLeft="@dimen/normal_margin"
-            android:paddingRight="@dimen/normal_margin"
-            android:paddingTop="@dimen/activity_margin">
-
-            <com.simplemobiletools.commons.views.MySwitchCompat
-                android:id="@+id/settings_avoid_whats_new"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:background="@null"
-                android:clickable="false"
-                android:paddingLeft="@dimen/medium_margin"
-                android:paddingStart="@dimen/medium_margin"
-                android:text="@string/avoid_whats_new"
-                app:switchPadding="@dimen/medium_margin"/>
-
-        </RelativeLayout>
-
         <View
             android:id="@+id/visibility_divider"
             android:layout_width="match_parent"
@@ -137,8 +113,8 @@
             android:id="@+id/visibility_label"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_marginLeft="@dimen/bigger_margin"
             android:layout_marginStart="@dimen/bigger_margin"
+            android:layout_marginLeft="@dimen/bigger_margin"
             android:layout_marginTop="@dimen/activity_margin"
             android:text="@string/visibility"
             android:textAllCaps="true"
@@ -150,10 +126,10 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingBottom="@dimen/activity_margin"
             android:paddingLeft="@dimen/normal_margin"
+            android:paddingTop="@dimen/activity_margin"
             android:paddingRight="@dimen/normal_margin"
-            android:paddingTop="@dimen/activity_margin">
+            android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MySwitchCompat
                 android:id="@+id/settings_show_hidden"
@@ -161,8 +137,8 @@
                 android:layout_height="wrap_content"
                 android:background="@null"
                 android:clickable="false"
-                android:paddingLeft="@dimen/medium_margin"
                 android:paddingStart="@dimen/medium_margin"
+                android:paddingLeft="@dimen/medium_margin"
                 android:text="@string/show_hidden_items"
                 app:switchPadding="@dimen/medium_margin"/>
 
@@ -179,8 +155,8 @@
             android:id="@+id/file_operations_label"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_marginLeft="@dimen/bigger_margin"
             android:layout_marginStart="@dimen/bigger_margin"
+            android:layout_marginLeft="@dimen/bigger_margin"
             android:layout_marginTop="@dimen/activity_margin"
             android:text="@string/file_operations"
             android:textAllCaps="true"
@@ -192,10 +168,10 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingBottom="@dimen/activity_margin"
             android:paddingLeft="@dimen/normal_margin"
+            android:paddingTop="@dimen/activity_margin"
             android:paddingRight="@dimen/normal_margin"
-            android:paddingTop="@dimen/activity_margin">
+            android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MySwitchCompat
                 android:id="@+id/settings_keep_last_modified"
@@ -203,8 +179,8 @@
                 android:layout_height="wrap_content"
                 android:background="@null"
                 android:clickable="false"
-                android:paddingLeft="@dimen/medium_margin"
                 android:paddingStart="@dimen/medium_margin"
+                android:paddingLeft="@dimen/medium_margin"
                 android:text="@string/keep_last_modified"
                 app:switchPadding="@dimen/medium_margin"/>
 
@@ -221,8 +197,8 @@
             android:id="@+id/scrolling_label"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_marginLeft="@dimen/bigger_margin"
             android:layout_marginStart="@dimen/bigger_margin"
+            android:layout_marginLeft="@dimen/bigger_margin"
             android:layout_marginTop="@dimen/activity_margin"
             android:text="@string/scrolling"
             android:textAllCaps="true"
@@ -234,10 +210,10 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingBottom="@dimen/activity_margin"
             android:paddingLeft="@dimen/normal_margin"
+            android:paddingTop="@dimen/activity_margin"
             android:paddingRight="@dimen/normal_margin"
-            android:paddingTop="@dimen/activity_margin">
+            android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MySwitchCompat
                 android:id="@+id/settings_show_info_bubble"
@@ -245,8 +221,8 @@
                 android:layout_height="wrap_content"
                 android:background="@null"
                 android:clickable="false"
-                android:paddingLeft="@dimen/medium_margin"
                 android:paddingStart="@dimen/medium_margin"
+                android:paddingLeft="@dimen/medium_margin"
                 android:text="@string/show_info_bubble"
                 app:switchPadding="@dimen/medium_margin"/>
 
@@ -263,8 +239,8 @@
             android:id="@+id/security_label"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_marginLeft="@dimen/bigger_margin"
             android:layout_marginStart="@dimen/bigger_margin"
+            android:layout_marginLeft="@dimen/bigger_margin"
             android:layout_marginTop="@dimen/activity_margin"
             android:text="@string/security"
             android:textAllCaps="true"
@@ -276,10 +252,10 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingBottom="@dimen/activity_margin"
             android:paddingLeft="@dimen/normal_margin"
+            android:paddingTop="@dimen/activity_margin"
             android:paddingRight="@dimen/normal_margin"
-            android:paddingTop="@dimen/activity_margin">
+            android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MySwitchCompat
                 android:id="@+id/settings_password_protection"
@@ -287,8 +263,8 @@
                 android:layout_height="wrap_content"
                 android:background="@null"
                 android:clickable="false"
-                android:paddingLeft="@dimen/medium_margin"
                 android:paddingStart="@dimen/medium_margin"
+                android:paddingLeft="@dimen/medium_margin"
                 android:text="@string/password_protect_hidden_items"
                 app:switchPadding="@dimen/medium_margin"/>
 
@@ -300,10 +276,10 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/medium_margin"
             android:background="?attr/selectableItemBackground"
-            android:paddingBottom="@dimen/activity_margin"
             android:paddingLeft="@dimen/normal_margin"
+            android:paddingTop="@dimen/activity_margin"
             android:paddingRight="@dimen/normal_margin"
-            android:paddingTop="@dimen/activity_margin">
+            android:paddingBottom="@dimen/activity_margin">
 
             <com.simplemobiletools.commons.views.MySwitchCompat
                 android:id="@+id/settings_enable_root_access"
@@ -311,8 +287,8 @@
                 android:layout_height="wrap_content"
                 android:background="@null"
                 android:clickable="false"
-                android:paddingLeft="@dimen/medium_margin"
                 android:paddingStart="@dimen/medium_margin"
+                android:paddingLeft="@dimen/medium_margin"
                 android:text="@string/enable_root_access"
                 app:switchPadding="@dimen/medium_margin"/>
 
diff --git a/build.gradle b/build.gradle
index 0b0dbc07..17a20ee3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.2.71'
+    ext.kotlin_version = '1.3.0'
 
     repositories {
         google()