Status: IN
DynamoDB global tables default to MREC (multi-Region eventually consistent) with async replication and last-writer-wins conflict resolution; MRSC (multi-Region strongly consistent) provides synchronous replication with RPO=0 but requires exactly 3 Regions from the same Region set.
Source: entries/2026/03/11/amazondynamodb-latest-developerguide-V2globaltables_HowItWorkshtml.md