---
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://www.elastic.co/docs/release-notes/apm/agents/nodejs/known-issues
products:
  - APM Agent
  - APM Node.js Agent
applies_to:
  - Serverless Observability projects: Generally available
  - Elastic Stack: Generally available
  - Application Performance Monitoring Agent for Node.js: Generally available
---

# 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://www.elastic.co/docs/reference/apm/agents/nodejs/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)](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://www.elastic.co/docs/reference/apm/agents/nodejs/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)](https://github.com/elastic/apm-agent-nodejs/issues/3784) for details.