diff --git a/app/build.gradle b/app/build.gradle
index 22946e7..fa8513c 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -110,9 +110,9 @@ dependencies {
     implementation project(":imageloading")
     implementation project(":imageloading-glide")
 
-    implementation "com.arthurivanets.mvvm:mvvm-core:1.4.1"
-    implementation "com.arthurivanets.mvvm:mvvm-navigation:1.4.1"
-    implementation "com.arthurivanets.mvvm:mvvm-navigation-dagger:1.4.1"
+    implementation "com.arthurivanets.mvvm:mvvm-core:1.5.0"
+    implementation "com.arthurivanets.mvvm:mvvm-navigation:1.5.0"
+    implementation "com.arthurivanets.mvvm:mvvm-navigation-dagger:1.5.0"
 
     testImplementation unitTestingDependencies
     androidTestImplementation instrumentationTestingDependencies
diff --git a/common/constants.gradle b/common/constants.gradle
index 4782c1a..66a3ec4 100644
--- a/common/constants.gradle
+++ b/common/constants.gradle
@@ -54,8 +54,8 @@ project.ext {
     releaseRepoName = "maven"
     releaseUserOrg = "arthurlabs"
     releaseGroupId = "com.arthurivanets.mvvm"
-    releaseVersion = "1.4.1"
-    releaseVersionCode = 8
+    releaseVersion = "1.5.0"
+    releaseVersionCode = 9
     releaseWebsite = "https://github.com/arthur3486/android-mvvm"
     releaseLicense = ["Apache-2.0"]
 
diff --git a/domain/src/test/java/com/arthurivanets/sample/domain/ExampleUnitTest.java b/domain/src/test/java/com/arthurivanets/sample/domain/ExampleUnitTest.java
deleted file mode 100644
index 29fd1e4..0000000
--- a/domain/src/test/java/com/arthurivanets/sample/domain/ExampleUnitTest.java
+++ /dev/null
@@ -1,17 +0,0 @@
-package com.arthurivanets.sample.domain;
-
-import org.junit.Test;
-
-import static org.junit.Assert.*;
-
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-public class ExampleUnitTest {
-    @Test
-    public void addition_isCorrect() {
-        assertEquals(4, 2 + 2);
-    }
-}
\ No newline at end of file
diff --git a/mvvm/src/main/java/com/arthurivanets/mvvm/MvvmActivity.kt b/mvvm/src/main/java/com/arthurivanets/mvvm/MvvmActivity.kt
index 55ccc75..df50c27 100644
--- a/mvvm/src/main/java/com/arthurivanets/mvvm/MvvmActivity.kt
+++ b/mvvm/src/main/java/com/arthurivanets/mvvm/MvvmActivity.kt
@@ -85,6 +85,7 @@ abstract class MvvmActivity<VDB : ViewDataBinding, VM : BaseViewModel>(
         postInit()
         performDataBinding()
         subscribeViewStateObservers()
+        onBind()
     }
 
 
@@ -177,17 +178,21 @@ abstract class MvvmActivity<VDB : ViewDataBinding, VM : BaseViewModel>(
     protected abstract fun createViewModel() : VM
 
 
-    /**
-     * Executes the pending Data Binding operations.
-     */
-    @CallSuper
-    protected open fun performDataBinding() {
+    private fun performDataBinding() {
         if(isDataBindingEnabled) {
             viewDataBinding?.executePendingBindings()
         } else {
-            Log.e(this::class.java.canonicalName, "The DataBinding is disabled for this Activity.")
+            Log.i(this::class.java.canonicalName, "The DataBinding is disabled for this Activity.")
         }
     }
+    
+    
+    /**
+     * Override this lifecycle method if you need to perform the manual view-state specific binding.
+     */
+    protected open fun onBind() {
+        // to be overridden.
+    }
 
 
     @CallSuper
@@ -283,9 +288,18 @@ abstract class MvvmActivity<VDB : ViewDataBinding, VM : BaseViewModel>(
 
     final override fun onDestroy() {
         disposeViewStateSubscriptions()
+        onUnbind()
         onRecycle()
         super.onDestroy()
     }
+    
+    
+    /**
+     * Override this method if you need to manually unbind the previously bound view-state specific observers.
+     */
+    protected open fun onUnbind() {
+        // to be overridden.
+    }
 
 
     /**
diff --git a/mvvm/src/main/java/com/arthurivanets/mvvm/MvvmFragment.kt b/mvvm/src/main/java/com/arthurivanets/mvvm/MvvmFragment.kt
index a482386..a17a449 100644
--- a/mvvm/src/main/java/com/arthurivanets/mvvm/MvvmFragment.kt
+++ b/mvvm/src/main/java/com/arthurivanets/mvvm/MvvmFragment.kt
@@ -158,6 +158,7 @@ abstract class MvvmFragment<VDB : ViewDataBinding, VM : BaseViewModel>(
         
         performDataBinding()
         subscribeViewStateObservers()
+        onBind()
     
         // performing the state restoring only in cases when the view was created for the first time
         // (otherwise there's no need to restore the state, as the current view already holds the most recent state)
@@ -232,19 +233,23 @@ abstract class MvvmFragment<VDB : ViewDataBinding, VM : BaseViewModel>(
     }
 
 
-    /**
-     * Executes the pending Data Binding operations.
-     */
-    @CallSuper
-    protected open fun performDataBinding() {
+    private fun performDataBinding() {
         if(isDataBindingEnabled) {
             viewDataBinding?.executePendingBindings()
         } else {
-            Log.e(this::class.java.canonicalName, "The DataBinding is disabled for this Fragment.")
+            Log.i(this::class.java.canonicalName, "The DataBinding is disabled for this Fragment.")
         }
     }
     
     
+    /**
+     * Override this lifecycle method if you need to perform the manual view-state specific binding.
+     */
+    protected open fun onBind() {
+        // to be overridden.
+    }
+    
+    
     /**
      * Looks up the [View] for the specified viewId within the current view hierarchy.
      *
@@ -449,6 +454,15 @@ abstract class MvvmFragment<VDB : ViewDataBinding, VM : BaseViewModel>(
         super.onDestroyView()
         
         disposeViewStateSubscriptions()
+        onUnbind()
+    }
+    
+    
+    /**
+     * Override this method if you need to manually unbind the previously bound view-state specific observers.
+     */
+    protected open fun onUnbind() {
+        // to be overridden.
     }