Product Updates

Notice PowerSync Service

Storage Version 4 Is Generally Available

Storage version 4 is out of beta and is the default from PowerSync Service v1.27.0. Instances on v1.27.0 or later move to it on their next Sync Config deployment.

October 12, 2026

PowerSync Service

PowerSync Service: v1.27.0

[IMPROVED] New sync config deploys now default to MongoDB storage version 4 instead of version 2.

October 6, 2026

Swift SDK

PowerSync Swift SDK: v1.16.3

[FIXED] Two task-cancellation races could deadlock the whole database, in `MergeItemSequence` and in `AsyncSemaphore`.

October 2, 2026

CLI

PowerSync CLI: v0.10.2

[ADDED] Deploy commands now show the target instance before making changes, and accept --dry-run to preview changes without deploying.

October 1, 2026

React Native SDK

React Native Client SDK: v2.3.1

[FIXED] The watched `useQuery` hook leaked listeners when it initialized a query twice in React Strict Mode.

October 1, 2026

JavaScript/Web SDK

JavaScript Web Client SDK: v2.4.2

[FIXED] `onChangeWithCallback`, `watchWithCallback`, `compilableQueryWatch`, and `AttachmentQueue.startSync` leaked listeners when aborted or stopped early.

October 1, 2026

Node.js SDK

Node.js Client SDK: v1.1.1

[FIXED] `onChangeWithCallback`, `watchWithCallback`, `compilableQueryWatch`, and `AttachmentQueue.startSync` leaked listeners when aborted or stopped early.

October 1, 2026

PowerSync Service Dart/Flutter SDK React Native SDK Kotlin SDK JavaScript/Web SDK Swift SDK Node.js SDK .NET SDK Capacitor SDK Rust 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.

September 30, 2026

Rust SDK

Rust Client SDK Reaches Beta

The PowerSync Rust SDK is now in beta. This release adds checkpoint requests and `disconnect_and_clear()`, and changes how you set up the async runtime.

September 29, 2026

PowerSync Dashboard

PowerSync Dashboard: v0.0.74

[ADDED] The Client SDK Setup page and the Connect drawer now generate a client schema and backend connector for the Rust SDK.

September 29, 2026