Android-SDK - 5.1.0

5.1.0

December 19th, 2025

New Features

This release introduces new primary features: Contextual Multi-Armed Bandit (CMAB) and Holdouts.

Contextual Multi-Armed Bandit (CMAB)

  • Add support for CMAB experiments with new configuration options and cache control (#514).
  • Add new decideAsync methods to support asynchronous CMAB decision (#514).
  • For configuration details, see the CMAB configuration documentation.

Holdouts

  • Add Holdouts Feature Experimentation feature (#516).

Other Changes

  • Upgrade targetSDK to 35


https://github.com/optimizely/android-sdk/releases/tag/5.1.0