---
title: Go-SDK - 2.3.1
slug: feature-experimentation/release-notes/go-sdk-v2-3-1
docTags: 
createdAt: 2026-07-20T15:44:34.767Z
---

## \[2.3.1]

January 22, 2026

## What's Changed

[#whats-changed](docId\:xaCCa0JpBGTqluP7O0Z13)

- \[FSSDK-12037] Exclude CMAB experiment from UPS by @Mat001 in [https://github.com/optimizely/go-sdk/pull/433](https://github.com/optimizely/go-sdk/pull/433)
- \[FSSDK-12152] Update retry logic with exponential backoff for sending events by @Mat001 in [https://github.com/optimizely/go-sdk/pull/432](https://github.com/optimizely/go-sdk/pull/432)
- \[FSSDK-11733] Upgrade linteringo-sdk by @Mat001 in [https://github.com/optimizely/go-sdk/pull/434](https://github.com/optimizely/go-sdk/pull/434)

**Full Changelog**: [https://github.com/optimizely/go-sdk/compare/v2.3.0...v2.3.1](https://github.com/optimizely/go-sdk/compare/v2.3.0...v2.3.1)

[https://github.com/optimizely/go-sdk/releases/tag/v2.3.1](https://github.com/optimizely/go-sdk/releases/tag/v2.3.1)