---
title: Python-SDK - 5.1.0
slug: feature-experimentation/release-notes/python-sdk-5-1-0
createdAt: 2026-07-20T15:44:34.417Z
---

## What's Changed

[#whats-changed](docId:8GLMk6Qt2sGCt98deVQxQ)

- \[FSSDK-10665] fix: Github Actions YAML files vulnerable to script injections corrected by @FarhanAnjum-opti in [https://github.com/optimizely/python-sdk/pull/438](https://github.com/optimizely/python-sdk/pull/438)
- \[FSSDK-10763] Implement UPS request batching for decideForKeys by @FarhanAnjum-opti in [https://github.com/optimizely/python-sdk/pull/440](https://github.com/optimizely/python-sdk/pull/440)
- \[FSSDK-10846] chore: prepare for 5.1.0 release by @FarhanAnjum-opti in [https://github.com/optimizely/python-sdk/pull/441](https://github.com/optimizely/python-sdk/pull/441)

## New Contributors

[#new-contributors](docId:8GLMk6Qt2sGCt98deVQxQ)

- @FarhanAnjum-opti made their first contribution in [https://github.com/optimizely/python-sdk/pull/438](https://github.com/optimizely/python-sdk/pull/438)

**Full Changelog**: [https://github.com/optimizely/python-sdk/compare/5.0.1...5.1.0](https://github.com/optimizely/python-sdk/compare/5.0.1...5.1.0)

[https://github.com/optimizely/python-sdk/releases/tag/5.1.0](https://github.com/optimizely/python-sdk/releases/tag/5.1.0)