﻿---
title: Elastic APM Node.js Agent known issues
description: Release date: January 12, 2024 Known issue: Using the APM agent’s ECMAScript module support with Node.js v18.19.0 is not supported in this version. Upgrade...
url: https://docs-v3-preview.elastic.dev/elastic/apm-agent-nodejs/tree/main/release-notes/known-issues
---

# Elastic APM Node.js Agent known issues
## 4.4.0

**Release date:** January 12, 2024
**Known issue**: Using the APM agent’s [*ECMAScript module support*](https://docs-v3-preview.elastic.dev/elastic/apm-agent-nodejs/tree/main/reference/esm) with Node.js **v18.19.0** is not supported in this version. Upgrade to APM agent version v4.5.0 or later, or use Node.js v18.18.1 or earlier. See [https://github.com/elastic/apm-agent-nodejs/issues/3784](https://github.com/elastic/apm-agent-nodejs/issues/3784) for details.

## 4.3.0

**Release date:** December 5, 2023
**Known issue**: Using the APM agent’s [*ECMAScript module support*](https://docs-v3-preview.elastic.dev/elastic/apm-agent-nodejs/tree/main/reference/esm) with Node.js **v18.19.0** is not supported in this version. Upgrade to APM agent version v4.5.0 or later, or use Node.js v18.18.1 or earlier. See [https://github.com/elastic/apm-agent-nodejs/issues/3784](https://github.com/elastic/apm-agent-nodejs/issues/3784) for details.