Status: IN
DynamoDB version control pattern maintains two copies per item: a `v0_` prefixed sort key (always overwritten with latest revision) and versioned copies (`v1_`, `v2_`, etc.) for history, enabling latest-version retrieval via `begins_with(SK, "v0_")`.
Source: entries/2026/03/11/amazondynamodb-latest-developerguide-bp-sort-keyshtml.md