diff --git a/RondoApp/build.gradle b/RondoApp/build.gradle
index 1e0dd8d..a4f0e1d 100644
--- a/RondoApp/build.gradle
+++ b/RondoApp/build.gradle
@@ -5,7 +5,7 @@ apply plugin: 'realm-android'
 apply plugin: 'com.google.gms.google-services'
 apply plugin: 'com.huawei.agconnect'
 
-def LEANPLUM_SDK_VERSION = System.getenv("LEANPLUM_SDK_VERSION") ?: "7.1.1"
+def LEANPLUM_SDK_VERSION = System.getenv("LEANPLUM_SDK_VERSION") ?: "7.1.2-beta1"
 def LEANPLUM_CT_SDK_VERSION = System.getenv("LEANPLUM_CT_SDK_VERSION") ?: "4.7.4"
 
 ext {
diff --git a/RondoApp/src/main/java/com/leanplum/rondo/MessagesActivity.java b/RondoApp/src/main/java/com/leanplum/rondo/MessagesActivity.java
index c41ba37..8b51634 100644
--- a/RondoApp/src/main/java/com/leanplum/rondo/MessagesActivity.java
+++ b/RondoApp/src/main/java/com/leanplum/rondo/MessagesActivity.java
@@ -29,7 +29,7 @@ protected void onCreate(Bundle savedInstanceState) {
 
         final ListView listview = findViewById(R.id.listview);
         String[] values = new String[] { "alert", "centerPopup", "confirm",
-                "interstitial", "richInterstitial", "webInterstitial", "banner",
+                "interstitial", "richInterstitial", "imageInterstitial", "webInterstitial", "banner",
                 LOG_IMPRESSIONS, LOG_TRIGGERS};
 
         final ArrayList<String> list = new ArrayList<String>();
diff --git a/RondoApp/src/main/java/com/leanplum/rondo/QueueActivity.kt b/RondoApp/src/main/java/com/leanplum/rondo/QueueActivity.kt
index 01598a5..9012aac 100644
--- a/RondoApp/src/main/java/com/leanplum/rondo/QueueActivity.kt
+++ b/RondoApp/src/main/java/com/leanplum/rondo/QueueActivity.kt
@@ -27,6 +27,7 @@ class QueueActivity : AppCompatActivity() {
   }
 
   private fun initCheckBoxes() {
+    asyncHandlersView().isChecked = LeanplumActions.useWorkerThreadForDecisionHandlers
     pauseQueueView().isChecked = LeanplumActions.isQueuePaused()
     disableQueueView().isChecked = !LeanplumActions.isQueueEnabled()
     dismissOnPushOpenedView().isChecked = ActionManager.getInstance().dismissOnPushOpened
@@ -124,6 +125,10 @@ class QueueActivity : AppCompatActivity() {
     val checked: Boolean = (view as CompoundButton).isChecked
 
     when (view) {
+      asyncHandlersView() -> {
+        LeanplumActions.useWorkerThreadForDecisionHandlers = checked
+        initCheckBoxes()
+      }
       pauseQueueView() -> {
         LeanplumActions.setQueuePaused(checked)
         initCheckBoxes()
@@ -148,6 +153,7 @@ class QueueActivity : AppCompatActivity() {
     }
   }
 
+  fun asyncHandlersView() = findViewById<CheckBox>(R.id.asyncHandlers)
   fun pauseQueueView() = findViewById<CheckBox>(R.id.pauseQueue)
   fun disableQueueView() = findViewById<CheckBox>(R.id.disableQueue)
   fun dismissOnPushOpenedView() = findViewById<CheckBox>(R.id.dismissOnPushOpened)
diff --git a/RondoApp/src/main/java/com/leanplum/rondo/QueueActivityModel.kt b/RondoApp/src/main/java/com/leanplum/rondo/QueueActivityModel.kt
index e9e97ab..1f6451e 100644
--- a/RondoApp/src/main/java/com/leanplum/rondo/QueueActivityModel.kt
+++ b/RondoApp/src/main/java/com/leanplum/rondo/QueueActivityModel.kt
@@ -6,8 +6,9 @@ import com.leanplum.actions.MessageDisplayChoice
 import com.leanplum.actions.MessageDisplayController
 import com.leanplum.actions.MessageDisplayListener
 import com.leanplum.actions.internal.ActionsTrigger
-import com.leanplum.actions.internal.triggerDelayedMessages
 import com.leanplum.internal.ActionManager
+import com.leanplum.internal.Log
+import com.leanplum.internal.Util
 import org.json.JSONArray
 import org.json.JSONObject
 
@@ -19,7 +20,10 @@ object MessageDisplayControllerObject : MessageDisplayController {
   var displayChoice: MessageDisplayChoice? = null
   var prioritizationChoice: PrioritizationType? = null
 
-  override fun shouldDisplayMessage(action: ActionContext): MessageDisplayChoice? = displayChoice
+  override fun shouldDisplayMessage(action: ActionContext): MessageDisplayChoice? =
+    displayChoice.also {
+      Log.d("ShouldDisplayMessage running on main thread: ${Util.isMainThread()}")
+    }
 
   override fun prioritizeMessages(
     actions: List<ActionContext>,
@@ -28,6 +32,8 @@ object MessageDisplayControllerObject : MessageDisplayController {
     PrioritizationType.ONLY_FIRST -> listOf(actions.first())
     PrioritizationType.ALL_REVERSED -> actions.reversed()
     else -> actions
+  }.also {
+    Log.d("MessagePrioritization running on main thread: ${Util.isMainThread()}")
   }
 }
 
@@ -41,18 +47,21 @@ object MessageDisplayListenerObject : MessageDisplayListener {
     if (trackDisplayEvents) {
       trackedEventsJson.addAction(action, "onMessageDisplayed")
     }
+    Log.d("onMessageDisplayed running on main thread: ${Util.isMainThread()}")
   }
 
   override fun onMessageDismissed(action: ActionContext) {
     if (trackDismissEvents) {
       trackedEventsJson.addAction(action, "onMessageDismissed")
     }
+    Log.d("onMessageDismissed running on main thread: ${Util.isMainThread()}")
   }
 
   override fun onActionExecuted(name: String, action: ActionContext) {
     if (trackExecuteEvents) {
       trackedEventsJson.addAction(action, "onActionExecuted")
     }
+    Log.d("onActionExecuted running on main thread: ${Util.isMainThread()}")
   }
 }
 
diff --git a/RondoApp/src/main/res/layout/activity_queue.xml b/RondoApp/src/main/res/layout/activity_queue.xml
index cedbdea..d5852cc 100644
--- a/RondoApp/src/main/res/layout/activity_queue.xml
+++ b/RondoApp/src/main/res/layout/activity_queue.xml
@@ -10,6 +10,12 @@
     android:layout_height="wrap_content"
     android:orientation="vertical">
 
+    <CheckBox
+      android:id="@+id/asyncHandlers"
+      android:layout_width="match_parent"
+      android:layout_height="wrap_content"
+      android:onClick="onCheckboxClicked"
+      android:text="Enable Async Handlers" />
     <CheckBox
       android:id="@+id/pauseQueue"
       android:layout_width="match_parent"