Related pages:

This page covers release information for the installation, configuration, management, and deployment of the Splunk AppDynamics On-Premises platform components. For feature-related release information, see the Enhancements section. For product updates, including release dates, support advisories, and end-of-life notices, see Product Announcements and Alerts.

Splunk AppDynamics On-Premises Enhancements

When there is an update to an artifact, you can find the new version on the Downloads Portal.

Product / ComponentSummaryRelease VersionRelease Date

EUM Server

You can now set up Session Replay for your mobile applications. Session Replay enables you to observe user activity and interactions on your mobile application. See Session Replay (Beta).

Disclaimer

This documentation mentions a product that is currently only available as an early preview ("Beta"). Splunk AppDynamics reserves the right to change the Beta and its documentation including the content herein, at any time, for any reason, and without notice or compensation to you before making it generally available as well as never making it generally available. This documentation is not a guarantee of future product features and should not be relied upon in making any purchasing decisions. Actual product results may vary from forward-looking statements due to factors including but not limited to: changes in Splunk AppDynamics and third-party technologies, factors related to the economy and target markets, acquisitions of other companies, the hiring and termination of personnel, and other factors. Please refer to the full terms at https://www.splunk.com/en_us/legal/appdynamics-limited-license-agreement.html for details.

25.4.0May 08, 2025

Upgraded MySQL version:

ComponentCurrent VersionUpgraded Version
MySQL

8.0.40

8.0.42

This release includes bug fixes.

See, Cisco AppDynamics On-Premises Resolved Issues.

Splunk AppDynamics On-Premises Resolved Issues

Issue keyProductSummary SeverityAffects Version/sFix Version/s
EUMPLAT-6978End User MonitoringThe EUM server fails to start after upgrading and provisioning the EUM licenses.High25.1.025.4.0

Splunk AppDynamics On-Premises Virtual Appliance Enhancements

There is no Splunk AppDynamics On-Premises Virtual Appliance 25.4.0 release.

Agent Enhancements

The following table lists the Agent enhancements included in the 25.4.0 release.

No results found.

Agent

Summary

Release Version

Release Date

Analytics Agent

This release upgrades the following third-party libraries:

ComponentPrevious VersionUpgraded Version
commons-collections3.2.13.2.2
dom4j2.1.12.1.3
guava16.0.133.3.0-android
jruby1.6.71.7.3
logback1.4.141.5.16
log4j-over-slf4j1.2.171.7.36


25.4.0April 29, 2025
Android AgentThere is no 25.4.0 release.--

Apache Web Server Agent

This release:

  • Fixes bugs. See Agent Resolved Issues.
  • Supports Java Runtime Environment 11.78.
  • Upgrades the Java proxy to version 25.3.0.36893.
  • Upgrades the following third-party libraries:
    ComponentPrevious VersionUpgraded Version
    expat2.6.32.7.1
    apr (org.apache.apr)1.7.21.7.5


25.4.0

April 14, 2025

Splunk AppDynamics AWS Lambda Extension for Serverless APM

There is no 25.4.0 release.--
C/C++ SDK

This release introduces a new HTTP client to improve communication between the SDK and Controller. It does not require any changes to host applications.

25.4.0May 8, 2025
Cluster AgentThere is no 25.4.0 release.--

Cordova Plugin

There is no 25.4.0 release.

-

-

Database Agent

This release includes the following enhancements when you are using the Controller version 25.4.0 or higher:

  • HashiCorp Vault support to provide database credentials and secrets while using Database Monitoring. Also, you can add and update the HashiCorp Vault attributes using the Database Visibility API.
  • The Always On monitoring support for Microsoft SQL Server. You can monitor the availability groups in your Microsoft SQL Server clusters to troubleshoot incidents in your production environment.
  • Storage utilization monitoring and tracking for the Microsoft SQL Server databases. Drill down from the Databases and the Filegroups tabs to the individual data files on the Data Files tab to identify any unexpected storage spikes.
  • While monitoring Amazon RDS, the Access Key and Secret Access Key fields are now optional. You do not need to specify these details if the Database Agent is deployed on an Amazon EC2 instance using the same Amazon Account as RDS and can access CloudWatch.

Upgraded the following third-party components:

ComponentPrevious VersionUpgraded Version

netty

4.1.115.Final4.1.118.Final

mysqlConnectorJava

9.0.09.2.0

json-smart

2.4.10

2.5.2

25.4.0

May 2, 2025
Flutter AgentThere is no 25.4.0 release.

-

-

Go SDK

There is no 25.4.0 release.

-

-
IBM Integration Bus Agent There is no 25.4.0 release.

-

-
iOS AgentThere is no 25.4.0 release.--

Java Agent

25.4.0May 8, 2025

Java Serverless Tracer

There is no 25.4.0 release.

-

-

JavaScript Agent

There is no 25.4.0 release.

-

-

Machine Agent

  • Bundles the agent with the following JREs:

    • Java 17 (17.0.14)

    • Java 11 (11.0.26)
  • Fixes bugs. See Agent Resolved Issues.

  • Upgrades the following third-party libraries:

    ComponentPrevious VersionUpgraded Version
    busybox1.36.1

    1.37.0

    commons-collections3.2.2

    4.5.0-M3

    Logback

    		1.4.14

    1.5.9

    Netty

    		4.1.117.Final

    4.1.118.Final

    singularity-common1.0.5

    1.0.8

    Wiremock-standalone2.18.0

    2.27.2 

    • The HP-UX JRE is not bundled because JRE 11 is unavailable for HP-UX, so you must use your own JAVA 11 (JRE/JDK).
    • If you are using Machine Agent on AIX, switch to the HP-UX agent image. The standalone image MachineAgent.zip uses Java 17. It is incompatible with AIX because AIX supports Java environments only up to Java 11.

25.4.0

April 30, 2025
MAUI Agent There is no 25.4.0 release.

-

-
Network AgentThere is no 25.4.0 release.

-

-
Node.js AgentThere is no 25.4.0 release.--
Node.js Serverless TracerThere is no 25.4.0 release.--
.Net Agent
  • Includes code enhancements and bug fixes.
  • Reports following data to Controller:

    • appdynamicsWorkloadKind

    • appdynamicsPodUID

    • appdynamicsWorkloadKindUID

25.4.0

May 9, 2025

PHP Agent

This release:

  • Upgrades the following third-party libraries:
    ComponentPrevious VersionUpgraded Version
    protobuf3.21.12

    3.25.6

    JRE11.72

    11.78

  • Fixes bugs. See Agent Resolved Issues.


25.4.0

May 14, 2025

Python Agent




You can now create custom cost metric expression to monitor OpenAI APIs. This expression helps you calculate cost per million tokens for both Input and Completion tokens. See Create Custom Cost Metric Expression.

25.4.0



April 30, 2025
Supports Python 3.13 version. See Python Supported Version.
Supports updating the protobuf implementation.

SAP

There is no 25.4.0 release.--

Smart Agent

With this release, you can:

25.4.0April 9, 2025

Hosted Synthetic Agent

This release includes code optimization.

25.4.0May 7, 2025

Private Synthetic Agent

This release supports Chrome browser version 132. See Configure Synthetic Jobs.

25.4.0April 23, 2025
Xamarin AgentThere is no 25.4.0 release.

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-

Agent Resolved Issues

No results found.

Key

Product

Summary

Severity Level

Affected Version(s)Release VersionRelease Date
DBMON-11015

Database Agent

Upgraded the Java Agent base image to jre17.High-25.4.0May 2, 2025
DBMON-11006

Database Agent

Database Agent does not collect data for Microsoft SQL Server database.High25.1.025.4.0May 2, 2025
DBMON-11003

Database Agent

Database Agent displays an error while processing the InnoDB metrics in MySQL database.

Medium25.1.025.4.0May 2, 2025
DBMON-10878

Database Agent

Database Agent does not connect to the Microsoft SQL Server database if the collector is configured using the Windows authentication.

Medium25.1.025.4.0May 2, 2025
DBMON-10805

Database Agent

Database Agent creates multiple processes on the database server.

Medium24.11.025.4.0May 2, 2025
DOTNET-7464.Net Agent The agent stops working when instrumenting a .NET 6+ application with preload enabled and IIS automatic configuration turned off.
Medium25.2.025.4.0May 9, 2025

DOTNET-7493

.Net Agent Sometimes, the MIDC Data Collectors fail to gather data from asynchronous methods. This happens due to a race condition in task instrumentation, where multiple tasks or threads access and change shared data at the same time without proper synchronization.MediumAll versions25.4.0May 9, 2025

DOTNET-7494

.Net Agent The agent Docker image cannot be deployed in OpenShift and Kubernetes environments.Medium25.2.025.4.0May 9, 2025
JAVA-13874Java AgentThe Controller randomly drops some events. This happens because the agent sends excessive number of events to the Controller.Medium24.8.025.4.0May 8, 2025
JAVA-13935Java AgentIn distributed asynchronous transactions, the agent may mistakenly classify all transaction segments as entry points for analytics. This can lead to the selection of an incorrect segment for capturing a snapshot.Medium25.1.025.4.0May 8, 2025
JAVA-13922Java AgentThe Java Agent auto-instrumentation fails because the agent extracts container ID even when containerAppCorrelationMethod is set to none.High25.1.025.4.0May 8, 2025

PHP-2666

PHP Agent
The PHP agent reports segmentation faults when the Method Invocation Data Collector (MIDC) is enabled. This impacts agent performance and leads to the loss of analytics data.
Medium24.4.0 or newer25.4.0May 14, 2025

PHP-2680

PHP Agent
In the install.sh script, a proxy flag automatically launches the proxy that overrides other proxy settings.
Medium24.11.025.4.0May 14, 2025

COSMOSX-2305

Smart AgentCannot upgrade Machine Agent on Windows using Smart Agent. High25.2.025.4.0April 9, 2025

WEBSRV-1252

Apache Web Server AgentThe agent proxy does not start using the command line option.-24.11.025.4.0April 14, 2025

WEBSRV-1257

Apache Web Server AgentThe PHP Agent does not report to Controller when Apache Agent is instrumented with PHP Agent using the mod_php module.-23.x, 24.x25.4.0April 14, 2025
SERVER-9907Machine AgentWhen the agent starts as a service on Linux, it records an error in the startup logs. This happens because the log4j2 settings are not properly configured.Medium24.9.025.4.0April 30, 2025
SERVER-9903Machine AgentJVM crash guard does not work on Windows.Medium24.12.025.4.0April 30, 2025
SERVER-9884Machine AgentSome JRE files that are bundled with agent include incorrect permissions.
Medium24.10.025.4.0April 30, 2025
SERVER-9874Machine AgentGrok pattern for log analytics displays an error message in the Controller UI. This issue occurs when using the Analytics Agent image bundled with Machine Agent.Medium25.1.025.4.0April 30, 2025
SERVER-9825Machine Agent

The agent shows memory and CPU usage data that do not match the actual server data.

Medium24.10.025.4.0April 30, 2025
SERVER-9824Machine Agent

The HP-UX agent produces an incorrect collector script, where the JSON output is missing the closing (}) character. This causes problems when debugging the script output.

Low24.10.025.4.0April 30, 2025
SERVER-9725Machine AgentThe agent does not report all /dev volumes.Medium24.8.025.4.0April 30, 2025



Agent Known Issues

AgentSummary
Java Agent

When OpenTelemetry is enabled in Java Agent, it fails to export the OpenTelemetry span data and generates the No otel/splunk-otel-javaagent.jar found error message. This issue occurs in Java Agent versions 25.3.0 and 25.4.0.

Workaround: To resolve this issue, add the following system property to your JVM configuration:

-Dagent.deployment.mode=hybrid
CODE


Agent Management Enhancements

There are no UI updates. However, there are updates to Smart Agent. See Smart Agent enhancements.

Cisco Secure Application Enhancements

There are no Cisco Secure Application enhancements.

There is no 25.4.0 release.

ThousandEyes Integration Enhancements

There is no 25.4.0 release.