If you use only one value as a destination, no change is required. This change is non-breaking and backwards-compatible.
If this is useful for your use case, consider using the new feature to list several sites as destinations.
Change #2: Filter-based deduplication keys for aggregatable reports (potentially breaking) This change has already been announced. Review detailshere.
Questions/Feedback If you experience any issue or have any implementation questions on these new features, pleasefile an issuein our developer support repository.