---
title: Agent - 0.5.0
slug: feature-experimentation/release-notes/agent-0-5-0
docTags: 
createdAt: 2026-07-20T15:45:08.251Z
---

\## \[0.5.0] - October 24th, 2019
\- Adds GET endpoint for user-based features
\- Adds impression tracking for Feature Tests

[https://github.com/optimizely/agent/releases/tag/v0.5.0](https://github.com/optimizely/agent/releases/tag/v0.5.0)