diff --git a/app/build.gradle b/app/build.gradle
index c2875906b1..07840f3eb3 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -35,7 +35,7 @@ android {
 
     defaultConfig {
         applicationId "eu.kanade.tachiyomi"
-        minSdkVersion 16
+        minSdkVersion 21
         targetSdkVersion 29
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         versionCode 41
@@ -228,7 +228,7 @@ dependencies {
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 
-    final coroutines_version = '0.22.2'
+    final coroutines_version = '1.3.2'
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
 }
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index ec34fc628b..eb1ceea261 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -9,6 +9,7 @@
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
+    <uses-permission android:name="android.permission.REQUEST_DELETE_PACKAGES" />
     <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />
     <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt b/app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt
index 0ca5449361..f49585bc2e 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt
@@ -14,7 +14,7 @@ import eu.kanade.tachiyomi.source.model.Page
 import eu.kanade.tachiyomi.source.online.HttpSource
 import eu.kanade.tachiyomi.source.online.fetchAllImageUrlsFromPageList
 import eu.kanade.tachiyomi.util.*
-import kotlinx.coroutines.experimental.async
+import kotlinx.coroutines.async
 import okhttp3.Response
 import rx.Observable
 import rx.android.schedulers.AndroidSchedulers
diff --git a/app/src/main/java/eu/kanade/tachiyomi/extension/ExtensionManager.kt b/app/src/main/java/eu/kanade/tachiyomi/extension/ExtensionManager.kt
index a625c06e74..8dfcb27a40 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/extension/ExtensionManager.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/extension/ExtensionManager.kt
@@ -13,7 +13,7 @@ import eu.kanade.tachiyomi.extension.util.ExtensionInstaller
 import eu.kanade.tachiyomi.extension.util.ExtensionLoader
 import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.util.launchNow
-import kotlinx.coroutines.experimental.async
+import kotlinx.coroutines.async
 import rx.Observable
 import rx.android.schedulers.AndroidSchedulers
 import rx.schedulers.Schedulers
diff --git a/app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionInstallReceiver.kt b/app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionInstallReceiver.kt
index 5067aa9362..d94768dd43 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionInstallReceiver.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionInstallReceiver.kt
@@ -7,7 +7,7 @@ import android.content.IntentFilter
 import eu.kanade.tachiyomi.extension.model.Extension
 import eu.kanade.tachiyomi.extension.model.LoadResult
 import eu.kanade.tachiyomi.util.launchNow
-import kotlinx.coroutines.experimental.async
+import kotlinx.coroutines.async
 
 /**
  * Broadcast receiver that listens for the system's packages installed, updated or removed, and only
@@ -91,7 +91,11 @@ internal class ExtensionInstallReceiver(private val listener: Listener) :
     private suspend fun getExtensionFromIntent(context: Context, intent: Intent?): LoadResult {
         val pkgName = getPackageNameFromIntent(intent) ?:
                 return LoadResult.Error("Package name not found")
-        return async { ExtensionLoader.loadExtensionFromPkgName(context, pkgName) }.await()
+        /*var result:LoadResult = LoadResult.Error("")
+        launchNow {
+            result = async { ExtensionLoader.loadExtensionFromPkgName(context, pkgName) }.await()
+        }*/
+        return ExtensionLoader.loadExtensionFromPkgName(context, pkgName)
     }
 
     /**
diff --git a/app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionLoader.kt b/app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionLoader.kt
index 450eae3127..c4018f0461 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionLoader.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionLoader.kt
@@ -13,8 +13,8 @@ import eu.kanade.tachiyomi.source.CatalogueSource
 import eu.kanade.tachiyomi.source.Source
 import eu.kanade.tachiyomi.source.SourceFactory
 import eu.kanade.tachiyomi.util.Hash
-import kotlinx.coroutines.experimental.async
-import kotlinx.coroutines.experimental.runBlocking
+import kotlinx.coroutines.async
+import kotlinx.coroutines.runBlocking
 import timber.log.Timber
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/extension/ExtensionDetailsController.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/extension/ExtensionDetailsController.kt
index d0c457f3ec..eabd4e926a 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/extension/ExtensionDetailsController.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/extension/ExtensionDetailsController.kt
@@ -23,6 +23,7 @@ import eu.kanade.tachiyomi.source.online.LoginSource
 import eu.kanade.tachiyomi.ui.base.controller.NucleusController
 import eu.kanade.tachiyomi.ui.setting.preferenceCategory
 import eu.kanade.tachiyomi.util.LocaleHelper
+import eu.kanade.tachiyomi.util.RecyclerWindowInsetsListener
 import eu.kanade.tachiyomi.widget.preference.LoginPreference
 import eu.kanade.tachiyomi.widget.preference.SourceLoginDialog
 import kotlinx.android.synthetic.main.extension_detail_controller.*
@@ -90,6 +91,7 @@ class ExtensionDetailsController(bundle: Bundle? = null) :
         extension_prefs_recycler.layoutManager = LinearLayoutManager(context)
         extension_prefs_recycler.adapter = PreferenceGroupAdapter(screen)
         extension_prefs_recycler.addItemDecoration(DividerItemDecoration(context, VERTICAL))
+        extension_prefs_recycler.setOnApplyWindowInsetsListener(RecyclerWindowInsetsListener)
 
         if (screen.preferenceCount == 0) {
             extension_prefs_empty_view.show(R.drawable.ic_no_settings,
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/HttpPageLoader.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/HttpPageLoader.kt
index 5e25252334..395e0f1f73 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/HttpPageLoader.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/HttpPageLoader.kt
@@ -11,7 +11,7 @@ import eu.kanade.tachiyomi.ui.reader.model.ReaderPage
 import eu.kanade.tachiyomi.ui.reader.viewer.pager.PagerConfig
 import eu.kanade.tachiyomi.util.ImageUtil
 import eu.kanade.tachiyomi.util.plusAssign
-import kotlinx.coroutines.experimental.async
+import kotlinx.coroutines.async
 import rx.Completable
 import rx.Observable
 import rx.schedulers.Schedulers
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerPageHolder.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerPageHolder.kt
index 1191453a76..374db26bac 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerPageHolder.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerPageHolder.kt
@@ -35,7 +35,7 @@ import eu.kanade.tachiyomi.ui.reader.viewer.ReaderProgressBar
 import eu.kanade.tachiyomi.ui.reader.viewer.pager.PagerConfig.ZoomType
 import eu.kanade.tachiyomi.util.*
 import eu.kanade.tachiyomi.widget.ViewPagerAdapter
-import kotlinx.coroutines.experimental.async
+import kotlinx.coroutines.async
 import rx.Observable
 import rx.Subscription
 import rx.android.schedulers.AndroidSchedulers
@@ -258,8 +258,10 @@ class PagerPageHolder(
                             bytesStream.close()
 
                             launchUI {
-                                val image = async { BitmapFactory.decodeByteArray(bytesArray, 0, bytesArray.size) }
-                                imageView.background = ImageUtil.autoSetBackground(image.await())
+                                val image = async { BitmapFactory.decodeByteArray(bytesArray, 0,
+                                    bytesArray.size) }
+                                imageView.background = ImageUtil.autoSetBackground(image
+                                    .await())
                                 page.bg = imageView.background
                             }
                         }
diff --git a/app/src/main/java/eu/kanade/tachiyomi/util/CoroutinesExtensions.kt b/app/src/main/java/eu/kanade/tachiyomi/util/CoroutinesExtensions.kt
index a5313ac1f7..013f6e3033 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/util/CoroutinesExtensions.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/util/CoroutinesExtensions.kt
@@ -1,13 +1,16 @@
 package eu.kanade.tachiyomi.util
 
-import kotlinx.coroutines.experimental.CoroutineScope
-import kotlinx.coroutines.experimental.CoroutineStart
-import kotlinx.coroutines.experimental.Job
-import kotlinx.coroutines.experimental.android.UI
-import kotlinx.coroutines.experimental.launch
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.CoroutineStart
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import kotlin.coroutines.EmptyCoroutineContext
 
 fun launchUI(block: suspend CoroutineScope.() -> Unit): Job =
-        launch(UI, CoroutineStart.DEFAULT, null, block)
+    GlobalScope.launch(Dispatchers.Main,CoroutineStart.DEFAULT,block)
+// .DEFAULT, null, block)
 
 fun launchNow(block: suspend CoroutineScope.() -> Unit): Job =
-        launch(UI, CoroutineStart.UNDISPATCHED, null, block)
+    GlobalScope.launch(Dispatchers.Main,CoroutineStart.UNDISPATCHED,block)
diff --git a/app/src/main/res/layout/extension_detail_controller.xml b/app/src/main/res/layout/extension_detail_controller.xml
index a22c526969..a060f4cd07 100644
--- a/app/src/main/res/layout/extension_detail_controller.xml
+++ b/app/src/main/res/layout/extension_detail_controller.xml
@@ -78,6 +78,7 @@
         android:layout_width="0dp"
         android:layout_height="0dp"
         android:layout_marginTop="16dp"
+        android:clipToPadding="false"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"