---
title: Agent - 2.1.0
slug: feature-experimentation/release-notes/agent-2-1-0
createdAt: 2026-07-20T15:44:56.832Z
---

## \[2.1.0] - September 23, 2020

- For `server.allowedHosts` configuration property, add support for matching all subdomains of a host, or all hosts
- Adding batching for agent (/v1/batch endpoint), including requests in parallel
- Removed vulnerable version coreos/etcd

[https://github.com/optimizely/agent/releases/tag/v2.1.0](https://github.com/optimizely/agent/releases/tag/v2.1.0)