---
title: Python-SDK - 3.10.0
slug: feature-experimentation/release-notes/python-sdk-3-10-0
docTags: 
createdAt: 2026-07-20T15:45:43.234Z
---

## \[3.10.0]

September 16th, 2021

### New Features

Added new public properties to OptimizelyConfig.

- sdk\_key and environment\_key [#338](https://github.com/optimizely/python-sdk/pull/338)
- attributes and events [#339](https://github.com/optimizely/python-sdk/pull/339)
- experiment\_rules, delivery\_rules, audiences and audiences in OptimizelyExperiment ([#342](https://github.com/optimizely/python-sdk/pull/342), [#351](https://github.com/optimizely/python-sdk/pull/351))

For details please refer to our documentation page:
\- Python-sdk: [developer documentation](docId\:evF8hzKaD5UkPwODR3sPc)

OptimizelyFeature.experiments\_map of OptimizelyConfig is now deprecated. Please use OptimizelyFeature.experiment\_rules and OptimizelyFeature.delivery\_rules. [#360](https://github.com/optimizely/python-sdk/pull/360)

### Bug Fixes

Fix event processor negative timeout interval when retrieving events from queue. [#356](https://github.com/optimizely/python-sdk/pull/356)

[https://github.com/optimizely/python-sdk/releases/tag/3.10.0](https://github.com/optimizely/python-sdk/releases/tag/3.10.0)