Product Updates

CLI

PowerSync CLI: v0.10.3

[FIXED] `!env` substitution for a missing environment variable silently used the variable's name as a value instead of failing. The CLI now fails immediately, naming the missing variable.

October 26, 2026

PowerSync Service

PowerSync Service: v1.27.2

[FIXED] The Docker image's Node.js runtime is upgraded to 24.22.1, fixing high-severity TLS and Brotli decompression vulnerabilities reachable through client sync connections and JWKS fetches. If you self-host, upgrade now.

October 24, 2026

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 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

Notice PowerSync Service

Our Plan for Phasing Out Sync Rules

We're phasing out Sync Rules in favor of Sync Streams over the next 15 months. From 15 March 2027, new PowerSync Cloud instances can only use Sync Streams. From 15 December 2027, you can no longer deploy Sync Rules and support for them ends.

September 22, 2026

.NET SDK

PowerSync .NET SDK: v0.1.5 (Beta)

[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 10, 2026

Notice PowerSync Service MongoDB

Storage Version 4: Object Storage and Incremental Reprocessing for MongoDB (Beta)

PowerSync Service v1.26.0 introduces storage version 4, a new format for the data the Service syncs to clients. It moves bulk data to S3 object storage for faster sync under load, and adds incremental reprocessing of Sync Streams deploys for MongoDB source databases.

September 9, 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

React Native SDK JavaScript/Web SDK Node.js SDK Capacitor SDK

PowerSync JavaScript SDKs: v2.0

Version 2.0 of the PowerSync JavaScript SDKs (Web, React Native, Node.js, and Capacitor) is a major release focused on a cleaner public API, simpler and more intuitive setup, and smaller bundles. It includes breaking changes, but for most apps they are small and mechanical.

July 29, 2026