1# ArkData Changelog 2 3## cl.kv_store.1 Scenario Change for Cross-Device Automatic Sync of the KV Store 4 5**Access Level** 6 7Public API 8 9**Reason for Change** 10 11The change is made to eliminate invalid data sync across devices. 12 13**Change Impact** 14 15This change is a non-compatible change. 16 17Before the change: 18 19When data is added, deleted, or modified in a KV store with **autoSync** set to **true**, data will be automatically synced to the devices in the same network. 20 21After the change: 22 23When data is added, deleted, or modified in a KV store with **autoSync** set to **true**, data will be automatically synced to the devices in [multi-device collaboration](../../../application-dev/application-models/hop-multi-device-collaboration.md) in the same network. 24 25**Start API Level** 26 279 28 29**Change Since** 30 31OpenHarmony SDK 5.0.0.37 32 33**Key API/Component Changes** 34 35autoSync/distributedKVStore 36 37**Adaptation Guide** 38 39The cross-device automatic sync of KV stores applies only to multi-device collaboration. For details, see [Cross-Device Sync of KV Stores](../../../application-dev/database/data-sync-of-kv-store.md). 40In other cases, set **autoSync** to **false**. Even if **autoSync** is set to **true**, the automatic data sync does not take effect. 41