---
title: Python-SDK - 1.4.0
slug: feature-experimentation/release-notes/python-sdk-1-4-0
docTags: 
createdAt: 2026-07-20T15:44:59.358Z
---

See \[Changelog]\([https://github.com/optimizely/python-sdk/blob/1.4.x/CHANGELOG.md#140](https://github.com/optimizely/python-sdk/blob/1.4.x/CHANGELOG.md#140)).

[https://github.com/optimizely/python-sdk/releases/tag/1.4.0](https://github.com/optimizely/python-sdk/releases/tag/1.4.0)