Question regarding scope of reporting change in v201605

Hello API Support team,

Hello,

I have a question regarding one of the changes outlined in the "Reporting" section of the v2010605 API Release Notes:

https://developers.google.com/adwords/api/docs/reference/#reporting

Specifically, my question concerns this change:

Inclusion of additional criteria types in the Criteria Performance report

The CRITERIA_PERFORMANCE_REPORT now returns rows for criteria types that are not supported in the AdWords API version of the report request (for example, new criteria types that were introduced since the last AdWords API release). Rows for these criteria appear in the report with CriteriaType value unknown (or UNKNOWN if you set the new useRawEnumValues HTTP header to true).

Does this change impact earlier, supported versions of the AdWords API or does it apply only to v201605?  The reason I am asking is because there are several changes that were announced with the release of the v2010605 API that actually pertain to all currently-supported API Versions  (e.g. the addition of the SearchClickShare field to the PRODUCT_PARTITION_REPORT and SHOPPING_PERFORMANCE_REPORT reports) - so it seems best to ask whether or not this is one such change.

Thank you,

-Al

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