Product Updates

PowerSync Service

PowerSync Service: v1.15.6

Latest changes: [IMPROVED] Moved input type conversion to the source streams to correctly handle custom types.

September 10, 2025

Swift SDK

PowerSync Swift SDK: v1.5.1

Latest changes: [IMPROVED] Additional Swift 6 Strict Concurrency Checking declarations added for remaining protocols. (PR #71) [FIXED] An issue in the legacy sync client where local writes made offline could have their upload delayed until a keep-alive event was received. This could also cause downloaded updates to be delayed even further until all uploads were completed. (PR #255)

September 5, 2025

Kotlin Multiplatform SDK

PowerSync Kotlin Multiplatform SDK: v1.5.1

[FIXED] An issue in legacy sync client where local writes made offline could have their upload delayed until a keepalive event was received. This could also cause downloaded updates to be delayed even further until all uploads were completed. (PR #255) [IMPROVED] Updated the powersync-sqlite-core extension to v0.4.5.

September 5, 2025

JavaScript/Web SDK

JS Web Client SDK: v1.26.1

Latest changes: [IMPROVED] Updated the powersync-sqlite-core extension to v0.4.5. (PR #702) [FIXED] An issue where an already fetching query would handle a query change and briefly report isFetching being false before becoming true again. (PR #706)

September 4, 2025

React Native SDK

React Native Client SDK: v1.24.2

Latest changes: [ADDED] clientImplementation field to SyncStatus reporting whether the default JavaScript-based vs new Rust-based sync client is being used. (PR #704) [IMPROVED] Updated the powersync-sqlite-core extension to v0.4.5. (PR #702)

September 4, 2025

Node.js SDK

Node.js Client SDK [Beta]: v0.10.1

Latest changes: [ADDED] clientImplementation field to SyncStatus reporting whether the default JavaScript-based vs new Rust-based sync client is being used. (PR #704) [IMPROVED] Updated the powersync-sqlite-core extension to v0.4.5. (PR #702)

September 4, 2025

React Native SDK JavaScript/Web SDK Node.js SDK

Get High Performance Diffs in our JavaScript SDKs (Experimental)

PowerSync now supports trigger-based table diffs in our JavaScript SDKs — an experimental feature that provides a faster way to detect and compare row-level...

August 28, 2025

Flutter SDK

Flutter/Dart Client SDK: v1.15.2

Latest changes: [ADDED] Rust sync client: Support binary sync lines with Rust client and compatible PowerSync Service versions. (PR #312) [IMPROVED] Support the unified format for HTTP errors from the sync service. (PR #309)

August 14, 2025

MySQL

MySQL Backend Database Support Has Reached Beta!

Overview We’re excited to announce that MySQL backend database support for PowerSync is officially in Beta . PowerSync is designed to be backend database...

August 11, 2025

Node.js SDK

Beta Release of the PowerSync Node.js Client SDK

Overview Back in March 2025 we shipped the Node.js client SDK into alpha , bringing PowerSync’s real-time sync capabilities to Node apps such as backend...

August 6, 2025