---
title: Go-SDK - 1.4.0
slug: feature-experimentation/release-notes/go-sdk-1-4-0
createdAt: 2026-07-20T15:44:35.055Z
---

## \[1.4.0] - October 2nd, 2020

### New Features

- Add MatchRegistry for custom match implementations. ([#286](https://github.com/optimizely/go-sdk/pull/286)) …
- Added and refactored audience evaluation logs. ([#280](https://github.com/optimizely/go-sdk/pull/280))
- Add datafile accessor to access config as JSON string. ([#290](https://github.com/optimizely/go-sdk/pull/290))
- Support version audience evaluation following semantic versioning implementation. ([#289](https://github.com/optimizely/go-sdk/pull/289))
- Support number 'less than or equal to' and 'greater than or equal to'. ([#289](https://github.com/optimizely/go-sdk/pull/289))

### Bug Fix

- Fixed a spelling mistake in go.mod file. ([#285](https://github.com/optimizely/go-sdk/pull/285))

[https://github.com/optimizely/go-sdk/releases/tag/v1.4.0](https://github.com/optimizely/go-sdk/releases/tag/v1.4.0)