Flutter

2.2.1 (2026/05/13)

Miscellaneous

• update iOS SDK to 2.3.1 (#36) (9304acb)

Native SDK Changes

This release also brings the following changes from the underlying native SDKs.

iOS SDK (v2.3.0...v2.3.1)

Bug Fixes

• latency metrics should reflect only the most recent (final) network request attempt (ios-client-sdk#122)

2.2.0 (2026/05/11)

Features

• update wrapper SDK's sourceId and version (#31) (ed5a914)

Build System

• deps: update iOS SDK to v2.3.0 and Android SDK to v2.3.1 (ed5a914)

Native SDK Changes

This release also brings the following changes from the underlying native SDKs.

iOS SDK (v2.2.1...v2.3.0)

Features

• add detailed reason error types (ios-client-sdk#100)
• auto retry on deployment-related 499 errors (ios-client-sdk#114)
• thread-safe user attribute update tracking and safe reading/updating of evaluations (ios-client-sdk#116)

Bug Fixes

• initialization request cancelled by poller on slow network (ios-client-sdk#118)

Miscellaneous

• allow to set wrapper SDK info (sourceId & version) (ios-client-sdk#115)

Build System

• update the minimum deployment target version to 12.0 (ios-client-sdk#110)

Android SDK (v2.2.1...v2.3.1)

Features

• add detailed reason error types (android-client-sdk#241)
• auto retry on deployment-related 499 errors (android-client-sdk#240)
• thread-safe for user attribute update tracking and safe reading/updating for evaluations (android-client-sdk#242)

Bug Fixes

• measure latencySecond with monotonic high-resolution clock (android-client-sdk#250)
• missing request read and write timeout settings (android-client-sdk#237)
• e2e fail because userAttributesUpdated should be bool (android-client-sdk#230)
• prevent logger leaks when destroying and not working when building the client (android-client-sdk#227)
• wrapperSdkVersion is required when setting wrapperSdkSourceId (android-client-sdk#231)
• concurrentModificationException when sending evaluation update events (android-client-sdk#219)

Miscellaneous

• allow setting the wrapper sdk version & source id for open feature support (android-client-sdk#226)

Build System

• deps: downgrade kotlin to 2.0.21 for app compatibility (android-client-sdk#223)

2.1.2 (2025/03/11)

Bug Fixes

• android: cache not being updated in the background after initialized (#25) (0e78ff5)

2.1.1 (2024/11/27)

Build System

• deps: update ios/android sdk to 2.2.1 (#22) (82e757a)

2.1.0 (2024/09/17)

Features

• get variation details by variation type (#19) (f59d6be)

Build System

• deps: update deps using the Flutter version 3.19.2 (#21) (743e534)

2.0.0 (2024/04/09)

This version brings the BREAKING CHANGES.

• Removed the gRPC dependency (Response time was improved by 50% faster)
• Improved SDK metrics
• Changed SDK initialization process
• Changed the get variation interfaces (booleanVariation, stringVariation, etc.)
• Added flush interface to manually send events in the DB to the server if needed
• Added addEvaluationUpdateListener interface so the user can listen when the evaluations change in the DB
• Added background polling (The SDK will continue polling the latest data from the server even if in the background)
• Now the SDK flushes events when the app enters the background

See the documentation for the 2.0.0 version.

Features

• initial implementation (#2) (63954e9)