Java-SDK - 4.4.0

[4.4.0]

May 4, 2026

New Features

Feature Rollout: Added support for Feature Rollouts, a new experiment type combining Targeted Delivery simplicity with A/B test measurement capabilities. Feature Rollouts enable progressive rollouts with full impact analytics, metric tracking, and confidence intervals. See Feature Rollout docs for more information.

  • Remove experiment type validation from config parsing (#602)
  • Add Feature Rollout support (#601)

Fixes and Improvements

  • Remove legacy flag-level holdout fields (#604)


https://github.com/optimizely/java-sdk/releases/tag/4.4.0