diff --git a/CHANGELOG.md b/CHANGELOG.md
index a462b550..fe367906 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## Version 0.4.0
+
+_2021-06-03_
+
+- Add Facebook query parameters
+
 ## Version 0.3.0
 
 _2021-05-24_
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 12940f3a..9b454a93 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -38,8 +38,8 @@ android {
         applicationId = "com.svenjacobs.app.leon"
         minSdk = 21
         targetSdk = 30
-        versionCode = 223
-        versionName = "0.3.0"
+        versionCode = 224
+        versionName = "0.4.0"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
 
@@ -96,7 +96,6 @@ android {
 
     kotlinOptions {
         jvmTarget = JavaVersion.VERSION_1_8.toString()
-        useIR = true
         freeCompilerArgs = listOf(
             "-Xopt-in=kotlinx.coroutines.ExperimentalCoroutinesApi",
             "-Xopt-in=kotlin.RequiresOptIn"
diff --git a/app/src/main/java/com/svenjacobs/app/leon/domain/Defaults.kt b/app/src/main/java/com/svenjacobs/app/leon/domain/Defaults.kt
index ddfd9654..04c74516 100644
--- a/app/src/main/java/com/svenjacobs/app/leon/domain/Defaults.kt
+++ b/app/src/main/java/com/svenjacobs/app/leon/domain/Defaults.kt
@@ -18,22 +18,28 @@
 
 package com.svenjacobs.app.leon.domain
 
-import com.svenjacobs.app.leon.domain.model.Sanitizer.QueryParameterSanitizer
 import com.svenjacobs.app.leon.domain.model.Sanitizer.RegexSanitizer
+import com.svenjacobs.app.leon.domain.model.Sanitizer.RegexSanitizer.Companion.regexForParameterPrefix
 
 object Defaults {
 
     val SANITIZERS = listOf(
-        QueryParameterSanitizer(
-            parameterName = "wt_mc",
-            name = "wt_mc",
-            description = "Webtrekk",
+        RegexSanitizer(
+            regex = regexForParameterPrefix("wt"),
+            name = "wt_*",
+            description = "Webtrekk (wt_*)",
             isDefault = true,
         ),
         RegexSanitizer(
-            regex = "[?&](?:ga|utm)_[^=]*=.[^&]*",
+            regex = regexForParameterPrefix("ga|utm"),
             name = "ga_* & utm_*",
-            description = "Urchin Tracking Module (Google Analytics)",
+            description = "Google Analytics (ga_*, utm_*)",
+            isDefault = true,
+        ),
+        RegexSanitizer(
+            regex = regexForParameterPrefix("fb"),
+            name = "fb_*",
+            description = "Facebook (fb_*)",
             isDefault = true,
         ),
     )
diff --git a/app/src/main/java/com/svenjacobs/app/leon/domain/model/Sanitizer.kt b/app/src/main/java/com/svenjacobs/app/leon/domain/model/Sanitizer.kt
index e67f83bb..a8859a27 100644
--- a/app/src/main/java/com/svenjacobs/app/leon/domain/model/Sanitizer.kt
+++ b/app/src/main/java/com/svenjacobs/app/leon/domain/model/Sanitizer.kt
@@ -52,5 +52,11 @@ sealed class Sanitizer(
 
         override fun withEnabled(isEnabled: Boolean) =
             copy(isEnabled = isEnabled)
+
+        companion object {
+
+            fun regexForParameterPrefix(prefix: String): String =
+                "[?&](?:$prefix)_[^=]*=.[^&]*"
+        }
     }
 }
diff --git a/app/src/main/java/com/svenjacobs/app/leon/startup/Migrations.kt b/app/src/main/java/com/svenjacobs/app/leon/startup/Migrations.kt
index e8b1d61a..925f7f79 100644
--- a/app/src/main/java/com/svenjacobs/app/leon/startup/Migrations.kt
+++ b/app/src/main/java/com/svenjacobs/app/leon/startup/Migrations.kt
@@ -32,8 +32,8 @@ class Migrations @Inject constructor(
     suspend fun migrate() {
         val prevVersionCode = dataStoreManager.versionCode.first()
 
-        if (prevVersionCode <= VERSION_0_1_0) {
-            Timber.d("Performing migration from version 0.1.0")
+        if (prevVersionCode <= VERSION_0_3_0) {
+            Timber.d("Performing migration from version <= 0.3.0")
 
             // Removing all default sanitizers because they have changed
             cleanerRepository.getSanitizers().first().forEach { sanitizer ->
@@ -45,6 +45,6 @@ class Migrations @Inject constructor(
     }
 
     private companion object {
-        private const val VERSION_0_1_0 = 203
+        private const val VERSION_0_3_0 = 223
     }
 }
diff --git a/app/src/main/java/com/svenjacobs/app/leon/ui/screens/settings/SettingsParametersScreen.kt b/app/src/main/java/com/svenjacobs/app/leon/ui/screens/settings/SettingsParametersScreen.kt
index f30f0314..ebe53be2 100644
--- a/app/src/main/java/com/svenjacobs/app/leon/ui/screens/settings/SettingsParametersScreen.kt
+++ b/app/src/main/java/com/svenjacobs/app/leon/ui/screens/settings/SettingsParametersScreen.kt
@@ -83,7 +83,7 @@ private fun Item(
         modifier = Modifier.padding(16.dp)
     ) {
         Text(
-            sanitizer.name,
+            sanitizer.description ?: sanitizer.name,
             modifier = Modifier.weight(2F),
         )
         Switch(
diff --git a/app/src/main/play/release-notes/de-DE/default.txt b/app/src/main/play/release-notes/de-DE/default.txt
index 22c0d5ac..81b6d2f6 100644
--- a/app/src/main/play/release-notes/de-DE/default.txt
+++ b/app/src/main/play/release-notes/de-DE/default.txt
@@ -1 +1 @@
-Erstes Beta-Release
\ No newline at end of file
+Facebook-Parameter hinzugefügt
diff --git a/app/src/main/play/release-notes/en-US/default.txt b/app/src/main/play/release-notes/en-US/default.txt
index b04517b0..eca54de6 100644
--- a/app/src/main/play/release-notes/en-US/default.txt
+++ b/app/src/main/play/release-notes/en-US/default.txt
@@ -1 +1 @@
-First beta release
\ No newline at end of file
+Add Facebook query parameters