diff --git a/CHANGELOG.md b/CHANGELOG.md
index af299f05c..f94da2715 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## [5.20.1-dev.1](https://github.com/ReVanced/revanced-patches/compare/v5.20.0...v5.20.1-dev.1) (2025-04-15)
+
+
+### Bug Fixes
+
+* **Spotify - Custom theme:** Support latest app target ([#4800](https://github.com/ReVanced/revanced-patches/issues/4800)) ([03d0eb2](https://github.com/ReVanced/revanced-patches/commit/03d0eb2f8c0f3e48d53bdab38d34057f2020bb65))
+
 # [5.20.0](https://github.com/ReVanced/revanced-patches/compare/v5.19.1...v5.20.0) (2025-04-15)
 
 
diff --git a/gradle.properties b/gradle.properties
index 94dfff809..2c104f301 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,4 +3,4 @@ org.gradle.jvmargs = -Xms512M -Xmx2048M
 org.gradle.parallel = true
 android.useAndroidX = true
 kotlin.code.style = official
-version = 5.20.0
+version = 5.20.1-dev.1
diff --git a/patches/src/main/kotlin/app/revanced/patches/spotify/layout/theme/Fingerprints.kt b/patches/src/main/kotlin/app/revanced/patches/spotify/layout/theme/Fingerprints.kt
index ce4840283..355422477 100644
--- a/patches/src/main/kotlin/app/revanced/patches/spotify/layout/theme/Fingerprints.kt
+++ b/patches/src/main/kotlin/app/revanced/patches/spotify/layout/theme/Fingerprints.kt
@@ -5,7 +5,10 @@ import app.revanced.util.containsLiteralInstruction
 import com.android.tools.smali.dexlib2.AccessFlags
 
 internal val encoreThemeFingerprint = fingerprint {
-    strings("No EncoreLayoutTheme provided")
+    strings("Encore theme was not provided.") // Partial string match.
+    custom { method, _ ->
+        method.name == "invoke"
+    }
 }
 
 internal const val PLAYLIST_BACKGROUND_COLOR_LITERAL = 0xFF121212
diff --git a/patches/src/main/kotlin/app/revanced/patches/spotify/misc/fix/Fingerprints.kt b/patches/src/main/kotlin/app/revanced/patches/spotify/misc/fix/Fingerprints.kt
index f8959ae64..6b25bc630 100644
--- a/patches/src/main/kotlin/app/revanced/patches/spotify/misc/fix/Fingerprints.kt
+++ b/patches/src/main/kotlin/app/revanced/patches/spotify/misc/fix/Fingerprints.kt
@@ -3,15 +3,7 @@ package app.revanced.patches.spotify.misc.fix
 import app.revanced.patcher.fingerprint
 
 internal val getPackageInfoFingerprint = fingerprint {
-    strings(
-        "Failed to get the application signatures",
-        "Failed to get installer package"
-    )
-}
-
-internal val getPackageInfoLegacyFingerprint = fingerprint {
     strings(
         "Failed to get the application signatures"
     )
 }
-
diff --git a/patches/src/main/kotlin/app/revanced/patches/spotify/misc/fix/SpoofPackageInfoPatch.kt b/patches/src/main/kotlin/app/revanced/patches/spotify/misc/fix/SpoofPackageInfoPatch.kt
index c06f2a04c..2836a4872 100644
--- a/patches/src/main/kotlin/app/revanced/patches/spotify/misc/fix/SpoofPackageInfoPatch.kt
+++ b/patches/src/main/kotlin/app/revanced/patches/spotify/misc/fix/SpoofPackageInfoPatch.kt
@@ -1,14 +1,15 @@
 package app.revanced.patches.spotify.misc.fix
 
+import app.revanced.patcher.extensions.InstructionExtensions.addInstruction
 import app.revanced.patcher.extensions.InstructionExtensions.getInstruction
 import app.revanced.patcher.extensions.InstructionExtensions.replaceInstruction
 import app.revanced.patcher.patch.bytecodePatch
-import app.revanced.patches.spotify.misc.extension.IS_SPOTIFY_LEGACY_APP_TARGET
-import app.revanced.util.addInstructionsAtControlFlowLabel
-import app.revanced.util.indexOfFirstInstructionOrThrow
+import app.revanced.util.findInstructionIndicesReversedOrThrow
+import app.revanced.util.getReference
 import app.revanced.util.indexOfFirstInstructionReversedOrThrow
 import com.android.tools.smali.dexlib2.Opcode
 import com.android.tools.smali.dexlib2.iface.instruction.OneRegisterInstruction
+import com.android.tools.smali.dexlib2.iface.reference.MethodReference
 
 @Suppress("unused")
 val spoofPackageInfoPatch = bytecodePatch(
@@ -18,18 +19,11 @@ val spoofPackageInfoPatch = bytecodePatch(
     compatibleWith("com.spotify.music")
 
     execute {
-        val getPackageInfoFingerprint = if (IS_SPOTIFY_LEGACY_APP_TARGET) {
-            getPackageInfoLegacyFingerprint
-        } else {
-            getPackageInfoFingerprint
-        }
-
         getPackageInfoFingerprint.method.apply {
-            val stringMatches = getPackageInfoFingerprint.stringMatches!!
-
             // region Spoof signature.
 
-            val failedToGetSignaturesStringIndex = stringMatches.first().index
+            val failedToGetSignaturesStringIndex =
+                getPackageInfoFingerprint.stringMatches!!.first().index
 
             val concatSignaturesIndex = indexOfFirstInstructionReversedOrThrow(
                 failedToGetSignaturesStringIndex,
@@ -45,26 +39,23 @@ val spoofPackageInfoPatch = bytecodePatch(
 
             // region Spoof installer name.
 
-            if (IS_SPOTIFY_LEGACY_APP_TARGET) {
-                // Installer name is not used in the legacy app target.
-                return@execute
-            }
-
             val expectedInstallerName = "com.android.vending"
 
-            val returnInstallerNameIndex = indexOfFirstInstructionOrThrow(
-                stringMatches.last().index,
-                Opcode.RETURN_OBJECT
-            )
+            findInstructionIndicesReversedOrThrow {
+                val reference = getReference<MethodReference>()
+                reference?.name == "getInstallerPackageName" || reference?.name == "getInstallingPackageName"
+            }.forEach { index ->
+                val returnObjectIndex = index + 1
 
-            val installerNameRegister = getInstruction<OneRegisterInstruction>(
-                returnInstallerNameIndex
-            ).registerA
+                val installerPackageNameRegister = getInstruction<OneRegisterInstruction>(
+                    returnObjectIndex
+                ).registerA
 
-            addInstructionsAtControlFlowLabel(
-                returnInstallerNameIndex,
-                "const-string v$installerNameRegister, \"$expectedInstallerName\""
-            )
+                addInstruction(
+                    returnObjectIndex + 1,
+                    "const-string v$installerPackageNameRegister, \"$expectedInstallerName\""
+                )
+            }
 
             // endregion
         }