# 2.15.0 release notes


December 12, 2023

NGINX Instance Manager 2.15.0 release notes
## Upgrade Paths {#2-15-0-upgrade-paths}

NGINX Instance Manager 2.15.0 supports upgrades from these previous versions:

- 2.12.0 - 2.14.1

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 {#2-15-0-whats-new}

This release includes the following updates:

- [icon: feature] **Support for CA Certificates added**<a name="2-15-0-whats-new-Support-for-CA-Certificates-added-44489"></a>

   Instance Manager now allows for managing CA Certificates to fully support NGINX directives such as _proxy_ssl_trusted_ and _proxy_ssl_verify_. The main difference after this change is that you no longer need a corresponding key to upload a certificate to Instance Manager.

## Resolved issues {#2-15-0-resolved-issues}

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

- [icon: resolved] Querying API endpoints for Security deployments associations may return empty UIDs for Attack-Signatures and Threat-Campaigns (43034)
- [icon: resolved] Instances reporting incorrect memory utilization (44351)
- [icon: resolved] Data on the dashboard is updating unexpectedly (44504)
- [icon: resolved] Missing Data when ClickHouse services are not running (44586)
- [icon: resolved] NGINX App Protect Attack Signature, Threat Campaign and Compiler fail to download (44603)

## Known issues {#2-15-0-known-issues}

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