Automatic migration of ad display options
Starting on March 2, 2022, the new ad display options (new) became available.
The previous ad display options (prev) will no longer be available from June 29, 2022 (scheduled).
The system automatically migrated the previous ad display options (prev) to new ad display options (new).
Check the following release note for the details.
[Search Ads] Ad Display Option migration to new format and ending of previous format