---
title: Go-SDK - 2.4.0
slug: feature-experimentation/release-notes/go-sdk-2-4-0
docTags: 
createdAt: 2026-07-20T15:45:26.350Z
---

## \[2.4.0]

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](docId\:FYbuu0asBt5htNNrEp235) for more information.

- Remove Coveralls from CI checks ([#447](https://github.com/optimizely/go-sdk/pull/447))
- Remove legacy flag-level holdout fields ([#446](https://github.com/optimizely/go-sdk/pull/446))
- Remove experiment type validation from config parsing ([#443](https://github.com/optimizely/go-sdk/pull/443))
- Add Feature Rollout support ([#442](https://github.com/optimizely/go-sdk/pull/442))
- Security: Replace curl | bash with official Veracode GitHub Action ([#441](https://github.com/optimizely/go-sdk/pull/441))
- Fix README: Add license badge, missing imports, and Feature Management section ([#440](https://github.com/optimizely/go-sdk/pull/440))

[https://github.com/optimizely/go-sdk/releases/tag/v2.4.0](https://github.com/optimizely/go-sdk/releases/tag/v2.4.0)