When was the ability to select a currency type of Statistical Unit added?

Summary:

We have a currency defined that users use for statistical entries that was originally created as a type of currency and not statistical unit. It was created this way due to limitation in EPM to consume the default statistical currency. When was the ability to create a currency as Statistical Unit added? I cannot find it in any release notes and I know it has not always been possible (have worked in Cloud ERP for 7+ years).

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24A

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