Google Set to Deprecate Showcase Shopping Ads on April 1

Google will stop serving Showcase Shopping ads and remove Showcase Shopping ad groups beginning on April 1, the company stated in an email to advertisers sent on February 23. After April 1, previous Showcase Shopping ad layouts will become part of Product Shopping ad groups. Advertisers will retain access to performance data for removed ads and ad groups in their account reports.

More info in their help documentation.