Hi, can you share what version of Unity you're using? Are you building directly into an .apk, an app bundle, or as a Gradle project? Build Report Tool version 3.11.12 was already designed to fix DLL sizes not showing on Android builds, but I may have missed some edge cases. That's why I need more information. UPDATE: I fixed some bugs when the Android project is built as an App Bundle or Gradle project. It might help but not sure what your situation is.

Try to do a Clean Build of your project. There seems to be a change in the way build event notifications are sent due to the introduction of incremental build features and requires you to do a Clean Build first. You should only need to do it once. Let me know if that doesn't work. Regarding sizes, Build Report Tool by default will only check the first 10,000 assets it can find that are unused. So it could be you have more files but Build Report Tool is stopping. You can turn off that limit in the Options, but just note that it can make report generation take longer (because it tallies the file sizes of all of those files). Another reason could be that the used assets size you're looking at is on files that gets compressed further (it depends on the platform you're building on. Android for example, compresses all the used assets into an archive with solid compression). But hard to say unless perhaps you share a screenshot. You can post in the forums (there's a link to the forum threads in the Overview description of this asset).