Product Updates

Kotlin SDK

PowerSync Kotlin SDK: v1.15.1

[FIXED] A bug where R8 minification could break CRUD uploads by removing the `toString()` implementation used to identify the internal CRUD table.

September 7, 2026

PowerSync Service

PowerSync Service: v1.26.0

[IMPROVED] MongoDB storage version 3 is promoted to version 4, marking the format as stable, including S3-compatible object storage for bulk bucket data.

September 4, 2026

Node.js SDK

Node.js Client SDK v1.0: Now Stable

The PowerSync Node.js client SDK is now stable with the release of `@powersync/node@1.0.0`. Since the beta it moved to the v2.0 JavaScript API, added streaming attachments for large files, and reached feature parity with our other SDKs.

September 3, 2026

Dart/Flutter SDK

Dart/Flutter Client SDK: v2.4.0

[ADDED] `requestCheckpoint()` on `PowerSyncDatabase` for catching up with the server on demand: request a checkpoint, then wait until the local database has caught up to it.

September 2, 2026

React Native SDK

React Native Client SDK: v2.2.0

[ADDED] `requestCheckpoint()` on `PowerSyncDatabase` for catching up with the server on demand: wait until the local database has caught up, including your pending uploads.

September 2, 2026

Node.js SDK

Node.js Client SDK: v1.0.0

[IMPROVED] `@powersync/node` is now stable at v1.0.0. This release also adds `requestCheckpoint()` for catching up with the server on demand: wait until the local database has caught up, including your pending uploads.

September 2, 2026

JavaScript/Web SDK

JavaScript Web Client SDK: v2.3.0

[ADDED] `requestCheckpoint()` on `PowerSyncDatabase` for catching up with the server on demand: wait until the local database has caught up, including your pending uploads.

September 2, 2026

Swift SDK

PowerSync Swift SDK: v1.16.1

[FIXED] cross-process update notifications for databases shared across processes (e.g. App Group containers) now include the set of changed tables, instead of invalidating every watched query on any remote write.

August 31, 2026

PowerSync Service JavaScript/Web SDK Swift SDK

Sync Catch-Up with Checkpoint Requests (Alpha)

Checkpoint requests let your app catch up with the server on demand, waiting until the local database is up to date with the latest server state, covering pending uploads as well as downloads. Rolling out across our SDKs as an alpha release, starting with Swift.

August 18, 2026

.NET SDK

PowerSync .NET SDK: v0.1.4 (Beta)

[FIXED] A race condition that produced `No iteration is active` errors when a sync iteration ended.

August 6, 2026