diff --git a/app/build.gradle b/app/build.gradle
index 5982ea7dd..7ed0f1d2d 100755
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -65,14 +65,16 @@ android {
         }
         releaseTest {
             applicationIdSuffix ".rt"
-            //minifyEnabled true
+//            minifyEnabled true
+//            shrinkResources true
             zipAlignEnabled true
-//            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
         release {
-            //minifyEnabled true
+//            minifyEnabled true
+//            shrinkResources true
             zipAlignEnabled true
-//            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
 
@@ -145,14 +147,14 @@ dependencies {
     implementation 'io.reactivex:rxjava:1.3.8'
     implementation 'com.jakewharton.rxrelay:rxrelay:1.2.0'
     implementation 'com.f2prateek.rx.preferences:rx-preferences:1.0.2'
-    implementation 'com.github.pwittchen:reactivenetwork:0.7.0'
+    implementation 'com.github.pwittchen:reactivenetwork:0.12.4'
 
     // Network client
-    implementation "com.squareup.okhttp3:okhttp:3.12.2" // DO NOT UPGRADE TO 3.13.X+, it requires minSdk 21
-    implementation 'com.squareup.okio:okio:1.17.2'
+    implementation "com.squareup.okhttp3:okhttp:3.12.3" // DO NOT UPGRADE TO 3.13.X+, it requires minSdk 21
+    implementation 'com.squareup.okio:okio:1.17.4' // TODO I think we can do 2.x, okhttp is ok with it but is there any other deps that need 1.x?
 
     // REST
-    final retrofit_version = '2.3.0'
+    final retrofit_version = '2.6.1'
     implementation "com.squareup.retrofit2:retrofit:$retrofit_version"
     implementation "com.squareup.retrofit2:converter-gson:$retrofit_version"
     implementation "com.squareup.retrofit2:adapter-rxjava:$retrofit_version"
@@ -162,7 +164,7 @@ dependencies {
     implementation 'com.github.salomonbrys.kotson:kotson:2.5.0'
 
     // JavaScript engine
-    implementation 'com.squareup.duktape:duktape-android:1.3.0'
+    implementation 'com.squareup.duktape:duktape-android:1.2.0' // Stuck on 1.2.0 to fix MangaPlus extension
 
     // Disk
     implementation 'com.jakewharton:disklrucache:2.0.2'
@@ -189,7 +191,7 @@ dependencies {
     implementation 'io.requery:sqlite-android:3.25.2'
 
     // Model View Presenter
-    final nucleus_version = '3.0.0'
+    final nucleus_version = '3.0.1'
     implementation "info.android15.nucleus:nucleus:$nucleus_version"
     implementation "info.android15.nucleus:nucleus-support-v7:$nucleus_version"
 
@@ -208,9 +210,6 @@ dependencies {
     // Logging
     implementation 'com.jakewharton.timber:timber:4.7.1'
 
-    // Crash reports
-    implementation 'ch.acra:acra:4.9.2'
-
     // Sort
     implementation 'com.github.gpanther:java-nat-sort:natural-comparator-1.1'
 
@@ -256,7 +255,7 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
     implementation "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
 
-    final coroutines_version = '1.3.0-RC'
+    final coroutines_version = '1.3.0-RC2'
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-reactive:$coroutines_version"
@@ -277,7 +276,6 @@ dependencies {
 
     // RxJava 2 interop for Realm (EH)
     implementation 'com.lvla.android:rxjava2-interop-kt:0.2.1'
-    implementation 'com.github.akarnokd:rxjava2-interop:0.13.7'
 
     // Debug network interceptor (EH)
     implementation "com.squareup.okhttp3:logging-interceptor:3.12.1"
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
old mode 100755
new mode 100644
index 0d547fffd..1d7106f03
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -1,35 +1,31 @@
--dontobfuscate
+#-repackageclasses ''
 
+# == Make debugging easier
+-renamesourcefileattribute SourceFile
+-keepattributes SourceFile,LineNumberTable
+
+# === Keep app classes
 -dontwarn eu.kanade.tachiyomi.**
 -keep class eu.kanade.tachiyomi.** { *; }
 
--keep class com.hippo.image.** { *; }
--keep interface com.hippo.image.** { *; }
--dontwarn nucleus.view.NucleusActionBarActivity
-
-# Extensions may require methods unused in the core app
+# === Keep extension classes
 -keep class org.jsoup.** { *; }
 -keep class kotlin.** { *; }
 -keep class okhttp3.** { *; }
 -keep class com.google.gson.** { *; }
 -keep class com.github.salomonbrys.kotson.** { *; }
+-keep class com.squareup.duktape.** { *; }
+-keep class android.support.v7.preference.** { *; }
+-keep class uy.kohesive.injekt.** { *; }
 
-# OkHttp
--dontwarn okhttp3.**
--dontwarn okio.**
--dontwarn javax.annotation.**
--dontwarn retrofit2.Platform$Java8
+# === Keep EH classes
+-keep class exh.** { *; }
+-keep class xyz.nulldev.** { *; }
 
-# Glide specific rules #
-# https://github.com/bumptech/glide
--keep public class * implements com.bumptech.glide.module.GlideModule
--keep public class * extends com.bumptech.glide.AppGlideModule
--keep public enum com.bumptech.glide.load.resource.bitmap.ImageHeaderParser$** {
-    **[] $VALUES;
-    public *;
-}
+# === Keep RxAndroid, https://github.com/ReactiveX/RxAndroid/issues/350
+-keep class rx.android.** { *; }
 
-# RxJava 1.1.0
+# === RxJava 1.3.8
 -dontwarn sun.misc.**
 
 -keepclassmembers class rx.internal.util.unsafe.*ArrayQueue*Field* {
@@ -45,37 +41,41 @@
     rx.internal.util.atomic.LinkedQueueNode consumerNode;
 }
 
-### Support v7, Design
-# http://stackoverflow.com/questions/29679177/cardview-shadow-not-appearing-in-lollipop-after-obfuscate-with-proguard/29698051
--keep class android.support.v7.widget.RoundRectDrawable { *; }
+-dontnote rx.internal.util.PlatformDependent
 
--keep public class android.support.v7.widget.** { *; }
--keep public class android.support.v7.internal.widget.** { *; }
--keep public class android.support.v7.internal.view.menu.** { *; }
--keep public class android.support.v7.graphics.drawable.** { *; }
+# === Reactive network: https://github.com/pwittchen/ReactiveNetwork/tree/v0.12.4#proguard-configuration
+-dontwarn com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
+-dontwarn io.reactivex.functions.Function
+-dontwarn rx.internal.util.**
+-dontwarn sun.misc.Unsafe
 
--keep public class * extends android.support.v4.view.ActionProvider {
-    public <init>(android.content.Context);
-}
+# === Okhttp: https://github.com/square/okhttp/blob/3637fc56f70f87da696847defd311dbfb28e87b5/okhttp/src/main/resources/META-INF/proguard/okhttp3.pro
+# JSR 305 annotations are for embedding nullability information.
+-dontwarn javax.annotation.**
+# A resource is loaded with a relative path so the package of this class must be preserved.
+-keepnames class okhttp3.internal.publicsuffix.PublicSuffixDatabase
+# Animal Sniffer compileOnly dependency to ensure APIs are compatible with older versions of Java.
+-dontwarn org.codehaus.mojo.animal_sniffer.*
+# OkHttp platform used only on JVM and when Conscrypt dependency is available.
+-dontwarn okhttp3.internal.platform.ConscryptPlatform
 
--dontwarn android.support.**
--dontwarn android.support.design.**
--keep class android.support.design.** { *; }
--keep interface android.support.design.** { *; }
--keep public class android.support.design.R$* { *; }
-
-
-# ReactiveNetwork
--dontwarn com.github.pwittchen.reactivenetwork.**
-
-## GSON ##
+# === Okio: https://github.com/square/okio/tree/9b8545e7fa267c9d89753283990f24a35cd69cd6#proguard
+-dontwarn okio.**
 
+# === GSON: https://raw.githubusercontent.com/google/gson/master/examples/android-proguard-example/proguard.cfg
 # Gson uses generic type information stored in a class file when working with fields. Proguard
 # removes such information by default, so configure it to keep all of it.
 -keepattributes Signature
 
+# For using GSON @Expose annotation
+-keepattributes *Annotation*
+
 # Gson specific classes
--keep class sun.misc.Unsafe { *; }
+-dontwarn sun.misc.**
+#-keep class com.google.gson.stream.** { *; }
+
+# Application classes that will be serialized/deserialized over Gson
+-keep class com.google.gson.examples.android.model.** { <fields>; }
 
 # Prevent proguard from stripping interface information from TypeAdapterFactory,
 # JsonSerializer, JsonDeserializer instances (so they can be used in @JsonAdapter)
@@ -83,55 +83,150 @@
 -keep class * implements com.google.gson.JsonSerializer
 -keep class * implements com.google.gson.JsonDeserializer
 
-# SnakeYaml
--keep class org.yaml.snakeyaml.** { public protected private *; }
--dontwarn org.yaml.snakeyaml.**
+# Prevent R8 from leaving Data object members always null
+-keepclassmembers,allowobfuscation class * {
+  @com.google.gson.annotations.SerializedName <fields>;
+}
 
-# Duktape
--keep class com.squareup.duktape.** { *; }
+# == Nucleus
+-keepclassmembers class * extends nucleus.presenter.Presenter {
+    <init>();
+}
 
-# [EH]
--keep class exh.** { *; }
--dontwarn com.fasterxml.jackson.databind.ext.DOMSerializer
--dontwarn com.fasterxml.jackson.databind.ext.Java7SupportImpl
--dontwarn com.fasterxml.jackson.module.kotlin.KotlinNamesAnnotationIntrospector$hasCreatorAnnotation$1
--dontwarn com.fasterxml.jackson.module.kotlin.KotlinValueInstantiator
--dontwarn exh.metadata.MetadataUtilKt$joinTagsToGenreString$2
--keep class xyz.nulldev.** { *; }
+# TODO Changeloglib? Does it need proguard?
 
-## Attempt to fix: java.lang.NoClassDefFoundError: uy.kohesive.injekt.registry.default.DefaultRegistrar$NOKEY$1
+# === Injekt
+## From original config: "Attempt to fix: java.lang.NoClassDefFoundError: uy.kohesive.injekt.registry.default.DefaultRegistrar$NOKEY$1"
 -keep class uy.kohesive.injekt.** { *; }
 
-# Realm
--dontnote rx.internal.util.PlatformDependent
--keep public class * extends io.realm.RealmObject
--keep public class * implements io.realm.RealmModel
--keep class io.realm.annotations.RealmModule
--keep @io.realm.annotations.RealmModule class *
--keep class io.realm.internal.Keep
--keep @io.realm.internal.Keep class *
--dontwarn io.realm.**
 
-# Keep google stuff
--dontwarn com.google.android.gms.**
--dontwarn com.google.firebase.**
-
-# Jackson
-# Proguard configuration for Jackson 2.x
--keep class com.fasterxml.jackson.databind.ObjectMapper {
-    public <methods>;
-    protected <methods>;
-}
--keep class com.fasterxml.jackson.databind.ObjectWriter {
-    public ** writeValueAsString(**);
-}
--keepnames class com.fasterxml.jackson.** { *; }
--dontwarn com.fasterxml.jackson.databind.**
-# Proguard configuration for Jackson 2.x
--dontwarn com.fasterxml.jackson.databind.**
--keepclassmembers class * {
-     @com.fasterxml.jackson.annotation.* *;
+# === Glide
+-keep public class * implements com.bumptech.glide.module.GlideModule
+-keep public class * extends com.bumptech.glide.module.AppGlideModule
+-keep public enum com.bumptech.glide.load.ImageHeaderParser$** {
+  **[] $VALUES;
+  public *;
 }
 
-# Better Proguard + sugarify compatibility
--keepattributes EnclosingMethod
\ No newline at end of file
+-dontwarn com.bumptech.glide.load.resource.bitmap.VideoDecoder
+
+# === Glide-transformations: https://github.com/wasabeef/glide-transformations/blob/3aa8e53c6a51b8351d312f802ba1354c5b115168/transformations/proguard-rules.txt
+-dontwarn jp.co.cyberagent.android.gpuimage.**
+
+# === Conductor
+# This isn't in the consumer proguard rules yet: https://github.com/bluelinelabs/Conductor/pull/550/files
+-keepclassmembers public class * extends com.bluelinelabs.conductor.ControllerChangeHandler {
+   public <init>();
+}
+
+# === RxBinding
+-dontwarn com.google.auto.value.AutoValue
+
+# === Crashlytics
+-keepattributes *Annotation*
+-keepattributes SourceFile,LineNumberTable
+-keep class com.crashlytics.** { *; }
+-dontwarn com.crashlytics.**
+
+# === Humanize + Guava: https://github.com/google/guava/wiki/UsingProGuardWithGuava
+-dontwarn javax.lang.model.element.Modifier
+
+# Note: We intentionally don't add the flags we'd need to make Enums work.
+# That's because the Proguard configuration required to make it work on
+# optimized code would preclude lots of optimization, like converting enums
+# into ints.
+
+# Throwables uses internal APIs for lazy stack trace resolution
+-dontnote sun.misc.SharedSecrets
+-keep class sun.misc.SharedSecrets {
+  *** getJavaLangAccess(...);
+}
+-dontnote sun.misc.JavaLangAccess
+-keep class sun.misc.JavaLangAccess {
+  *** getStackTraceElement(...);
+  *** getStackTraceDepth(...);
+}
+
+# FinalizableReferenceQueue calls this reflectively
+# Proguard is intelligent enough to spot the use of reflection onto this, so we
+# only need to keep the names, and allow it to be stripped out if
+# FinalizableReferenceQueue is unused.
+-keepnames class com.google.common.base.internal.Finalizer {
+  *** startFinalizer(...);
+}
+# However, it cannot "spot" that this method needs to be kept IF the class is.
+-keepclassmembers class com.google.common.base.internal.Finalizer {
+  *** startFinalizer(...);
+}
+-keepnames class com.google.common.base.FinalizableReference {
+  void finalizeReferent();
+}
+-keepclassmembers class com.google.common.base.FinalizableReference {
+  void finalizeReferent();
+}
+
+# Striped64, LittleEndianByteArray, UnsignedBytes, AbstractFuture
+-dontwarn sun.misc.Unsafe
+
+# Striped64 appears to make some assumptions about object layout that
+# really might not be safe. This should be investigated.
+-keepclassmembers class com.google.common.cache.Striped64 {
+  *** base;
+  *** busy;
+}
+-keepclassmembers class com.google.common.cache.Striped64$Cell {
+  <fields>;
+}
+
+-dontwarn java.lang.SafeVarargs
+
+-keep class java.lang.Throwable {
+  *** addSuppressed(...);
+}
+
+# Futures.getChecked, in both of its variants, is incompatible with proguard.
+
+# Used by AtomicReferenceFieldUpdater and sun.misc.Unsafe
+-keepclassmembers class com.google.common.util.concurrent.AbstractFuture** {
+  *** waiters;
+  *** value;
+  *** listeners;
+  *** thread;
+  *** next;
+}
+-keepclassmembers class com.google.common.util.concurrent.AtomicDouble {
+  *** value;
+}
+-keepclassmembers class com.google.common.util.concurrent.AggregateFutureState {
+  *** remaining;
+  *** seenExceptions;
+}
+
+# Since Unsafe is using the field offsets of these inner classes, we don't want
+# to have class merging or similar tricks applied to these classes and their
+# fields. It's safe to allow obfuscation, since the by-name references are
+# already preserved in the -keep statement above.
+-keep,allowshrinking,allowobfuscation class com.google.common.util.concurrent.AbstractFuture** {
+  <fields>;
+}
+
+# Futures.getChecked (which often won't work with Proguard anyway) uses this. It
+# has a fallback, but again, don't use Futures.getChecked on Android regardless.
+-dontwarn java.lang.ClassValue
+
+# MoreExecutors references AppEngine
+-dontnote com.google.appengine.api.ThreadManager
+-keep class com.google.appengine.api.ThreadManager {
+  static *** currentRequestThreadFactory(...);
+}
+-dontnote com.google.apphosting.api.ApiProxy
+-keep class com.google.apphosting.api.ApiProxy {
+  static *** getCurrentEnvironment (...);
+}
+
+# === Support library
+# From original config: http://stackoverflow.com/questions/29679177/cardview-shadow-not-appearing-in-lollipop-after-obfuscate-with-proguard/29698051
+-keep class android.support.v7.widget.RoundRectDrawable { *; }
+
+# Fix missing back button: https://stackoverflow.com/a/46207775/5054192
+-keep class android.support.v7.graphics.** { *; }
diff --git a/app/src/main/java/eu/kanade/tachiyomi/App.kt b/app/src/main/java/eu/kanade/tachiyomi/App.kt
index 2a252806b..bf2e42938 100755
--- a/app/src/main/java/eu/kanade/tachiyomi/App.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/App.kt
@@ -188,12 +188,17 @@ open class App : Application() {
 
     // EXH
     private fun setupDebugOverlay() {
-        DebugOverlay.Builder(this)
-                .modules(FpsModule(), EHDebugModeOverlay(this))
-                .bgColor(Color.parseColor("#7F000000"))
-                .notification(false)
-                .allowSystemLayer(false)
-                .build()
-                .install()
+        try {
+            DebugOverlay.Builder(this)
+                    .modules(FpsModule(), EHDebugModeOverlay(this))
+                    .bgColor(Color.parseColor("#7F000000"))
+                    .notification(false)
+                    .allowSystemLayer(false)
+                    .build()
+                    .install()
+        } catch(e: IllegalStateException) {
+            // Crashes if app is in background
+            XLog.e("Failed to initialize debug overlay, app in background?", e)
+        }
     }
 }
diff --git a/app/src/main/res/layout/main_activity.xml b/app/src/main/res/layout/main_activity.xml
index cbc9d2a6f..aa0111d92 100755
--- a/app/src/main/res/layout/main_activity.xml
+++ b/app/src/main/res/layout/main_activity.xml
@@ -32,7 +32,6 @@
                 android:layout_height="wrap_content"
                 android:theme="@style/Theme.ActionBar.Tab"
                 app:tabIndicatorColor="@android:color/white"
-                app:tabGravity="center"
                 app:tabMode="scrollable"
                 app:tabMinWidth="75dp"/>
 
diff --git a/build.gradle b/build.gradle
index 14b45beac..9cedac989 100755
--- a/build.gradle
+++ b/build.gradle
@@ -16,7 +16,7 @@ buildscript {
         // in the individual module build.gradle files
 
         // Realm (EH)
-        classpath "io.realm:realm-gradle-plugin:5.10.0"
+        classpath "io.realm:realm-gradle-plugin:5.13.1"
 
         // Firebase (EH)
         classpath 'io.fabric.tools:gradle:1.31.0'