# 2.19.1 release notes


March 27, 2025

NGINX Instance Manager 2.19.1 release notes
## Upgrade Paths {#2-19-1-upgrade-paths}

NGINX Instance Manager 2.19.1 supports upgrades from these previous versions:

- 2.16.0 - 2.19.0

If your NGINX Instance Manager version is older, you may need to upgrade to an intermediate version before upgrading to the target version.

## What's new {#2-19-1-whats-new}

This release includes the following updates:

- [icon: feature] **Stability and performance improvements**<a name="2-19-1-whats-new-Stability-and-performance-improvements-45998"></a>

   This release includes stability and performance improvements for a more reliable experience.

## Resolved issues {#2-19-1-resolved-issues}

This release fixes the following issues. Use your browser's search function to find the issue ID in the page.

- [icon: resolved] Publishing the NAP policy fails with the error “The attack signatures with the given version was not found” (45845)
- [icon: resolved] Automatic downloading of NAP compiler versions 5.210.0 and 5.264.0 fails on Ubuntu 24.04 (45846)

## Known issues {#2-19-1-known-issues}

You can find information about known issues in the [Known Issues](/nim/releases/known-issues.md) topic.