This release is a third beta release supporting feature flags and rollouts. It includes all the same new features and breaking as the last beta release.

SDK checks for null values in the Feature API parameters.

If isFeatureEnabled is called with a null featureKey or a null userId, it will return false immediately.

If any of getFeatureVariable are called with a null featureKey, variableKey, or userId, null will be returned immediately.

Java-SDK - 1.9.0

Java-SDK - 2.0.0-beta3

ai_cta

ai_identity

ai_chat

ai_product


Data set that refers to a person or a role and contains at least one address via which the person or role can receive messages.

recipient

Java-SDK - 1.8.1

feature-experimentation-release-notes

Release Notes for Feature Experimentation

2026 Feature Experimentation release notes

2025 Feature Experimentation release notes

2024 Feature Experimentation release notes

2023 Feature Experimentation release notes

2022 Feature Experimentation release notes

Feature Experimentation release notes

Agent - 4.5.0

Agent - 4.4.0

Agent - 4.3.0

Agent - 4.2.2

Agent - 4.2.1

Agent - 4.2.0

Agent - 4.1.0

Agent - 4.0.0

Agent - 3.2.0

Agent - 3.1.0

Agent - 3.0.1

Agent - 3.0.0

Agent - 2.7.1

Agent - 2.7.0

Agent - 2.6.0

Agent - 2.5.0

Agent - 2.4.0

Agent - 2.3.1

Agent - 2.3.0

Agent - 2.2.0

Agent - 2.1.0

Agent - 2.0.0

Agent - 1.3.0

Agent - 2.0.0-beta

Agent - 1.2.0

Agent - 1.1.0

Agent - 1.0.2

Agent - 1.0.1

Agent - 1.0.0

Agent - 0.14.0

Agent - 0.13.0

Agent - 0.11.0

Agent - 0.12.0

Agent - 0.10.0

Agent - 0.9.0

Agent - 0.8.1

Agent - 0.8.0

Agent - 0.7.0

Agent - 0.6.0

Agent - 0.5.0

Agent - 0.4.0

Agent - 0.3.0

Agent - 0.2.0

Agent

Android-SDK - 5.4.0

Android-SDK - 5.3.0

Android-SDK - 5.2.1

Android-SDK - 5.2.0

Android-SDK - 5.1.1

Android-SDK - 5.1.0

Android-SDK - 5.0.1

Android-SDK - 5.0.0

Android-SDK - 4.1.0

Android-SDK - 4.0.4

Android-SDK - 4.0.3

Android-SDK - 4.0.2

Android-SDK - 4.0.1

Android-SDK - 4.0.0

Android-SDK - 3.13.4

Android-SDK - 3.13.3

Android-SDK - 3.13.2

Android-SDK - 3.13.1

Android-SDK - 3.13.0

Android-SDK - 3.12.0

Android-SDK - 3.11.1

Android-SDK - 3.11.0

Android-SDK - 3.10.2

Android-SDK - 3.10.1

Android-SDK - 3.10.0

Android-SDK - 3.9.0

Android-SDK - 3.7.0

Android-SDK - 3.8.0

Android-SDK - 3.6.0

Android-SDK - 3.5.2

Android-SDK - 3.5.1

Android-SDK - 3.5.0

Android-SDK - 3.4.0

Android-SDK - 3.1.2

Android-SDK - 3.3.0

Android-SDK - 3.2.0

Android-SDK - 3.2.1

Android-SDK - 3.1.1

Android-SDK - 3.1.0

Android-SDK - 3.0.1

Android-SDK - 3.0.0

Android-SDK - 2.1.4

Android-SDK - 2.1.3

Android-SDK - 3.0.0-RC2

Android-SDK - 3.0.0-RC

Android-SDK - 2.1.2

Android-SDK - 2.1.1

Android-SDK - 2.1.0

Android-SDK - 2.0.0-beta6

Android-SDK - 2.0.0-beta5

Android-SDK - 2.0.0-beta4

Android-SDK - 2.0.0-beta3

Android-SDK - 2.0.0-beta2

Android-SDK - 1.6.1 Release

Android-SDK - 2.0.0 Beta 1

Android-SDK - 1.6.0

Android-SDK - 1.5.1

Android-SDK - 1.5.0-RC

Android-SDK - 1.4.0

Android-SDK - 1.4.0-beta-RC2

Android-SDK - 1.4.0-beta-RC1

Android-SDK - 1.4.0-alpha-RC1

Android-SDK - 1.4.0-alpha

Android-SDK - 1.3.1

Android-SDK - 1.3.0

Android-SDK - 1.2.0

Android-SDK - 1.0.0

Android-SDK - 0.5.0

Android-SDK - 0.5.0-SNAPSHOT

Android-SDK - 0.4.1

Android-SDK - 0.4.0

Android-SDK - 0.3.0

Android-SDK - 0.2.2

Android-SDK - 0.2.1

Android-SDK - Android X 0.1.3

Android-SDK - 0.1.3 Beta

Android-SDK - 0.1.2-beta

Android SDK

CSharp-SDK - 4.5.0

CSharp-SDK - 4.4.0

CSharp-SDK - 4.3.0

CSharp-SDK - 4.2.0

CSharp-SDK - 4.1.0

CSharp-SDK - 4.0.0

CSharp-SDK - 3.11.4

CSharp-SDK - 3.11.3

CSharp-SDK - 3.11.2.1

CSharp-SDK - 3.11.2

CSharp-SDK - 3.11.1

CSharp-SDK - 3.11.0

CSharp-SDK - 3.10.0

CSharp-SDK - 3.9.1

CSharp-SDK - 3.9.0

CSharp-SDK - 3.8.0

CSharp-SDK - 3.7.1

CSharp-SDK - 3.7.0

CSharp-SDK - 3.6.0

CSharp-SDK - 3.5.0

CSharp-SDK - 3.4.1

CSharp-SDK - 3.4.0

CSharp-SDK - 3.3.0

CSharp-SDK - 3.2.0

CSharp-SDK - 3.1.0

CSharp-SDK - 3.1.1

CSharp-SDK - 3.0.0

CSharp-SDK - 2.2.2

CSharp-SDK - 2.2.1

CSharp-SDK - 2.2.0

CSharp-SDK - 2.1.0

CSharp-SDK - 2.0.1

CSharp-SDK - 2.0.0

CSharp-SDK - 2.0.0-beta1

CSharp-SDK - v1.3.1

CSharp-SDK - v1.2.1

CSharp-SDK - v1.2.0

CSharp-SDK - v1.1.1

CSharp-SDK - 1.1.0

C# SDK

Optimizely-Flutter-SDK - v4.0.1

Optimizely-Flutter-SDK - v4.0.0

Optimizely-Flutter-SDK - v3.8.0

Optimizely-Flutter-SDK - v3.7.0

Optimizely-Flutter-SDK - v3.6.0

Optimizely-Flutter-SDK - v3.4.3

Optimizely-Flutter-SDK - v3.4.2

Optimizely-Flutter-SDK - v3.4.1

Optimizely-Flutter-SDK - v3.4.0

Optimizely-Flutter-SDK - v3.3.0

Optimizely-Flutter-SDK - Releaes v3.2.0

Optimizely-Flutter-SDK - v3.1.0

Optimizely-Flutter-SDK - v3.0.1

Optimizely-Flutter-SDK - 3.0.0

Optimizely-Flutter-SDK - 2.0.1

Optimizely-Flutter-SDK - 2.0.0

Optimizely-Flutter-SDK - 1.0.1

Optimizely-Flutter-SDK - 1.0.1-beta

Flutter SDK

SDK release notes

Java-SDK - 2.0.0-beta3

2.0.0 Beta 3

Bug Fixes