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Include every locale you plan to support in your package’s Resources section — even if XBOX doesn’t yet support that locale for user selection. Unsupported locales aren’t reachable through the console UI, but shipping them in the package means the title automatically supports them once they’re added. Optionally give users an in-title language picker so they can override the console’s language.

Testing unsupported locales

  1. Force the locale from the command line:
    With the locale set and present in the manifest, you can exercise both manifest-localized and in-title resources.
  2. Add a temporary in-title language picker. This only exercises in-title resources.
Last modified on August 20, 2026