---
title: Agent - 2.0.0-beta
slug: feature-experimentation/release-notes/agent-2-0-0-beta
docTags: 
createdAt: 2026-07-20T15:44:39.976Z
---

## \[2.0.0-beta] - August 27, 2020

\- Add SDK key validation configuration
\- Reject request with invalid host (excluding port)
\- Block content type other than application/json
\- Introducing support for authenticated datafiles

### Breaking Changes

\- Agent will now reject the request if the content-type is not specified from the clients
\- Add Host as a configurable item

[https://github.com/optimizely/agent/releases/tag/v2.0.0-beta](https://github.com/optimizely/agent/releases/tag/v2.0.0-beta)