Reproduction steps:
1. Open the attached “BugRepro” project
2. Click Edit > Project Settings > Publishing settings > Disable Custom Keystore
3. Click File > Build
Expected result: Build finishes successfully
Actual result: Build fails
Reproducible with: 2023.1.0b17, 2023.2.0a15
Couldn’t test with: 2020.3.48f1, 2021.3.25f1, 2022.2.20f1 ([Internal link]: Build freezes when building a specific android project), 2023.1.0a1 (Failed to update Android SDK package list.)
Reproducible on: Windows 10, Ubuntu 22.10
Full error:
Execution failed for task ':launcher:checkReleaseDuplicateClasses'. > A failure occurred while executing com.android.build.gradle.internal.tasks.CheckDuplicatesRunnable > Duplicate class com.unity3d.ads.BuildConfig found in modules UnityAds-runtime (:UnityAds and com.unity3d.ads.unity-ads-4.7.1-runtime (:com.unity3d.ads.unity-ads-4.7.1 Duplicate class com.unity3d.ads.IUnityAdsInitializationListener found in modules UnityAds-runtime (:UnityAds and com.unity3d.ads.unity-ads-4.7.1-runtime (:com.unity3d.ads.unity-ads-4.7.1 Duplicate class com.unity3d.ads.IUnityAdsLoadListener found in modules UnityAds-runtime (:UnityAds and com.unity3d.ads.unity-ads-4.7.1-runtime (:com.unity3d.ads.unity-ads-4.7.1 Duplicate class com.unity3d.ads.IUnityAdsShowListener found in modules UnityAds-runtime (:UnityAds and com.unity3d.ads.unity-ads-4.7.1-runtime (:com.unity3d.ads.unity-ads-4.7.1 Duplicate class com.unity3d.ads.IUnityAdsTokenListener found in modules UnityAds-runtime (:UnityAds and com.unity3d.ads.unity-ads-4.7.1-runtime (:com.unity3d.ads.unity-ads-4.7.1 Duplicate class com.unity3d.ads.UnityAds found in modules UnityAds-runtime (:UnityAds and com.unity3d.ads.unity-ads-4.7.1-runtime (:com.unity3d.ads.unity-ads-4.7.1 Duplicate class com.unity3d.ads.UnityAds$1 found in modules UnityAds-runtime (:UnityAds and com.unity3d.ads.unity-ads-4.7.1-runtime (:com.unity3d.ads.unity-ads-4.7.1 Duplicate class com.unity3d.ads.UnityAds$UnityAdsInitializationError found in modules UnityAds-runtime (:UnityAds and com.unity3d.ads.unity-ads-4.7.1-runtime (:com.unity3d.ads.unity-ads-4.7.1
Note: Didn’t test other 2023.1 versions, because of the long build time