Product Updates

PowerSync Service

PowerSync Service: v1.15.8

[IMPROVED] Compact action to only process buckets changed since the last run. (PR #375) [IMPROVED] Minor performance and stability improvements by upgrading the MongoDB driver. (PR #374) [FIXED] Checksum calculation timeouts during initial replication on deployments with many buckets. (PR #375)

October 17, 2025

Flutter SDK Flutter Packages/Libraries

Improved Attachment Utilities in the Dart / Flutter SDK

Overview The PowerSync Dart/Flutter SDK now includes improved attachment utilities under package:powersync_core/attachments/attachments.dart . This new...

October 7, 2025

JavaScript/Web SDK

JS Web Client SDK: v1.27.1

[ADDED] Introduced sync streams as an early alpha release to enable more dynamic sync. Follow the discussion in #sync-streams-alpha in Discord. (PR #707) [FIXED] A deadlock issue affecting OPFS when used with the Rust client, preventing potential stalls during sync across multiple tabs. (PR #725)

October 3, 2025

React Native SDK

React Native Client SDK: v1.25.1

[ADDED] Expose connection options to simplify integrations and allow dynamic access to connection parameters. (PR #726) [FIXED] Type compatibility to allow using syncStream() instances in useQuery hooks. (PR #729)

October 3, 2025

Node.js SDK

Node.js Client SDK [Beta]: v0.11.1

[ADDED] Expose connection options to simplify integrations and allow dynamic access to connection parameters. (PR #726)

October 3, 2025

Kotlin Multiplatform SDK

PowerSync Kotlin SDK: v1.7.0

[ADDED] Introduced sync streams as an early alpha release to enable more dynamic sync. Follow the discussion in #sync-streams-alpha in Discord and visit the docs. (PR #257) [ADDED] PowerSyncDatabase.inMemory() constructor for in-memory databases (useful for tests). (PR #273) [IMPROVED] Allow customizing error handling for the Supabase connector. (PR #274)

October 2, 2025

Flutter SDK

Flutter/Dart Client SDK: v1.16.0

[ADDED]  getCrudTransactions() returning a stream of completed transactions. This can be used to batch transactions when uploading CRUD data. (PR #320) [ADDED] [Alpha] Introduced sync streams as an early alpha release to enable more dynamic sync. Follow the discussion in #sync-streams-alpha in Discord, and see the docs. (PR #317) [ADDED] [Alpha] An improved attachments helper implementation in package:powersync_core/attachments/attachments.dart. See the docs to get started. (PR #311) [ADDED] [Experimental] Swift Package Manager support. (PR #325)

October 2, 2025

Swift SDK

PowerSync Swift SDK: v1.6.0

[ADDED] The getCrudTransactions() API to upload multiple transactions in a batch. (PR #245) [IMPROVED] [Attachment Helpers] Makes the attachment system recover from cases where re-installing the app changes absolute paths on iOS simulators. (PR #80) [IMPROVED] Updated the powersync-sqlite-core extension to v0.4.6. (changelog) [IMPROVED] Additional compatibility with new Swift 6.2 / XCode 26 concurrency checks. [IMPROVED] Updates the Kotlin SDK build to 1.6.0 which establishes a foundation on which we can add libraries such as SQLCipher for encryption in the future. (PR #230)

September 19, 2025

Kotlin Multiplatform SDK

More Robust SQL Queries for Kotlin Apps: Room and SQLDelight Integrations

The PowerSync Kotlin SDK lets you sync your backend database with a client-side SQLite database. On the client, you interact with the database using SQL....

September 19, 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