diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 7fe2dfd02..3be2f59ae 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -13,3 +13,4 @@
 -dontwarn okhttp3.internal.platform.ConscryptPlatform
 
 -keep class org.koitharu.kotatsu.core.exceptions.* { *; }
+-keep class org.koitharu.kotatsu.settings.NotificationSettingsLegacyFragment
diff --git a/app/src/main/java/org/koitharu/kotatsu/browser/cloudflare/CloudFlareDialog.kt b/app/src/main/java/org/koitharu/kotatsu/browser/cloudflare/CloudFlareDialog.kt
index cc9e5fb33..dc18898b3 100644
--- a/app/src/main/java/org/koitharu/kotatsu/browser/cloudflare/CloudFlareDialog.kt
+++ b/app/src/main/java/org/koitharu/kotatsu/browser/cloudflare/CloudFlareDialog.kt
@@ -55,6 +55,7 @@ class CloudFlareDialog : AlertDialogFragment<FragmentCloudflareBinding>(), Cloud
 
 	override fun onDestroyView() {
 		binding.webView.stopLoading()
+		binding.webView.destroy()
 		super.onDestroyView()
 	}
 
@@ -83,7 +84,7 @@ class CloudFlareDialog : AlertDialogFragment<FragmentCloudflareBinding>(), Cloud
 
 	override fun onCheckPassed() {
 		pendingResult.putBoolean(EXTRA_RESULT, true)
-		dismiss()
+		dismissAllowingStateLoss()
 	}
 
 	companion object {
diff --git a/app/src/main/java/org/koitharu/kotatsu/settings/SourceSettingsFragment.kt b/app/src/main/java/org/koitharu/kotatsu/settings/SourceSettingsFragment.kt
index 3436ca259..eefc9ba6d 100644
--- a/app/src/main/java/org/koitharu/kotatsu/settings/SourceSettingsFragment.kt
+++ b/app/src/main/java/org/koitharu/kotatsu/settings/SourceSettingsFragment.kt
@@ -2,6 +2,8 @@ package org.koitharu.kotatsu.settings
 
 import android.os.Bundle
 import android.view.View
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.lifecycleScope
 import androidx.preference.Preference
 import com.google.android.material.snackbar.Snackbar
 import dagger.hilt.android.AndroidEntryPoint
@@ -53,7 +55,7 @@ class SourceSettingsFragment : BasePreferenceFragment(0) {
 		super.onViewCreated(view, savedInstanceState)
 		findPreference<Preference>(KEY_AUTH)?.run {
 			if (isVisible) {
-				loadUsername(this)
+				loadUsername(viewLifecycleOwner, this)
 			}
 		}
 	}
@@ -68,7 +70,7 @@ class SourceSettingsFragment : BasePreferenceFragment(0) {
 		}
 	}
 
-	private fun loadUsername(preference: Preference) = viewLifecycleScope.launch {
+	private fun loadUsername(owner: LifecycleOwner, preference: Preference) = owner.lifecycleScope.launch {
 		runCatching {
 			preference.summary = null
 			withContext(Dispatchers.Default) {
@@ -99,7 +101,8 @@ class SourceSettingsFragment : BasePreferenceFragment(0) {
 		viewLifecycleScope.launch {
 			if (exceptionResolver.resolve(error)) {
 				val pref = findPreference<Preference>(KEY_AUTH) ?: return@launch
-				loadUsername(pref)
+				val lifecycleOwner = awaitViewLifecycle()
+				loadUsername(lifecycleOwner, pref)
 			}
 		}
 	}
diff --git a/app/src/main/java/org/koitharu/kotatsu/utils/ext/CoilExt.kt b/app/src/main/java/org/koitharu/kotatsu/utils/ext/CoilExt.kt
index 6d7e49a77..0950a69a4 100644
--- a/app/src/main/java/org/koitharu/kotatsu/utils/ext/CoilExt.kt
+++ b/app/src/main/java/org/koitharu/kotatsu/utils/ext/CoilExt.kt
@@ -10,6 +10,7 @@ import coil.request.ImageResult
 import coil.request.SuccessResult
 import coil.util.CoilUtils
 import com.google.android.material.progressindicator.BaseProgressIndicator
+import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.network.CommonHeaders
 import org.koitharu.kotatsu.utils.progress.ImageRequestIndicatorListener
@@ -47,7 +48,18 @@ fun ImageResult.toBitmapOrNull() = when (this) {
 }
 
 fun ImageRequest.Builder.referer(referer: String): ImageRequest.Builder {
-	return setHeader(CommonHeaders.REFERER, referer)
+	if (referer.isEmpty()) {
+		return this
+	}
+	try {
+		setHeader(CommonHeaders.REFERER, referer)
+	} catch (e: IllegalArgumentException) {
+		val baseUrl = referer.baseUrl()
+		if (baseUrl != null) {
+			setHeader(CommonHeaders.REFERER, baseUrl)
+		}
+	}
+	return this
 }
 
 fun ImageRequest.Builder.indicator(indicator: BaseProgressIndicator<*>): ImageRequest.Builder {
@@ -63,3 +75,11 @@ fun ImageRequest.Builder.crossfade(context: Context?): ImageRequest.Builder {
 	val duration = context.resources.getInteger(R.integer.config_defaultAnimTime) * context.animatorDurationScale
 	return crossfade(duration.toInt())
 }
+
+private fun String.baseUrl(): String? {
+	return (this.toHttpUrlOrNull()?.newBuilder("/") ?: return null)
+		.username("")
+		.password("")
+		.build()
+		.toString()
+}
diff --git a/app/src/main/java/org/koitharu/kotatsu/utils/ext/FragmentExt.kt b/app/src/main/java/org/koitharu/kotatsu/utils/ext/FragmentExt.kt
index 41336e509..5ea1fb4af 100644
--- a/app/src/main/java/org/koitharu/kotatsu/utils/ext/FragmentExt.kt
+++ b/app/src/main/java/org/koitharu/kotatsu/utils/ext/FragmentExt.kt
@@ -6,8 +6,12 @@ import androidx.fragment.app.DialogFragment
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentManager
 import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.Observer
 import androidx.lifecycle.coroutineScope
 import java.io.Serializable
+import kotlin.coroutines.resume
+import kotlinx.coroutines.suspendCancellableCoroutine
 
 inline fun <T : Fragment> T.withArgs(size: Int, block: Bundle.() -> Unit): T {
 	val b = Bundle(size)
@@ -22,7 +26,7 @@ val Fragment.viewLifecycleScope
 fun <T : Serializable> Fragment.serializableArgument(name: String): Lazy<T> {
 	return lazy(LazyThreadSafetyMode.NONE) {
 		@Suppress("UNCHECKED_CAST")
-		requireNotNull(arguments?.getSerializable(name)) {
+		requireNotNull(arguments?.getSerializableCompat(name)) {
 			"No argument $name passed into ${javaClass.simpleName}"
 		} as T
 	}
@@ -41,3 +45,19 @@ fun DialogFragment.showAllowStateLoss(manager: FragmentManager, tag: String?) {
 fun Fragment.addMenuProvider(provider: MenuProvider) {
 	requireActivity().addMenuProvider(provider, viewLifecycleOwner, Lifecycle.State.STARTED)
 }
+
+suspend fun Fragment.awaitViewLifecycle(): LifecycleOwner = suspendCancellableCoroutine { cont ->
+	val liveData = viewLifecycleOwnerLiveData
+	val observer = object : Observer<LifecycleOwner> {
+		override fun onChanged(result: LifecycleOwner?) {
+			if (result != null) {
+				liveData.removeObserver(this)
+				cont.resume(result)
+			}
+		}
+	}
+	liveData.observeForever(observer)
+	cont.invokeOnCancellation {
+		liveData.removeObserver(observer)
+	}
+}