DynamoDB Streams ABAC shipped 19 August 2026 with a 7-day opt-out and a policy trap
DynamoDB Streams ABAC went live 19 August 2026: 50 tags per stream, a 10 KB cap, existing accounts disabled by default, and a seven-calendar-day opt-out window.
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DynamoDB vector search vs pgvector vs OpenSearch: the 2026 cost call
Vector search in DynamoDB went generally available on 5 August 2026. Three billing meters, a 1 KB minimum, on-demand only, and a zero idle floor that reframes the pgvector and OpenSearch comparison.