Sort of. It’s mainly related to phasing out paper/print out declaration forms and a change in approach to processing arrivals as mentioned in the following:

No customs forms any more when returning to US?

”Our airports will be moving towards a ‘simplified Primary’. Facial recognition, less passport checks, etc With this comes a lack of typical baggage checkpoints. We're moving more towards targeting and on foot teams in the baggage carousels. This means no more declarations, sorta”