What's new
This topic introduces the new features and enhancements in version 26.3 for OpenText™ Professional Performance Engineering.
Note: The Help Centers for OpenText Professional Performance Engineering versions 26.1 and 26.3 are streamlined into a single Help Center. Any version-specific changes are indicated where relevant.
To view enhancements for the 26.1 version, see What's new in 26.1.
AI-driven Performance Engineering
This release includes the following enhancements for AI-driven Performance Engineering.
| Area | Enhancement |
|---|---|
| Core Performance Engineering Aviator |
OpenText™ Core Performance Engineering Aviator is a cloud-based enterprise service that delivers Artificial Intelligence (AI) capabilities. The service extends functionality within OpenText Performance Engineering products that are connected to the paid Aviator service. For details on supported client instances and integrating with Aviator, see the OpenText Core Performance Engineering Help Center. Aviator provides scripting support for Performance Engineering products through VuGen, and automated, AI‑assisted analysis through Core Performance Engineering Analysis. Aviator for ScriptingAviator for Scripting includes the following enhancements:
For details, see Aviator for Scripting in the VuGen Help Center. Aviator for AnalysisAviator for Analysis includes the following enhancement:
For details, see Aviator for Analysis in the OpenText Core Performance Engineering Analysis Help Center. General Aviator updatesThe following enhancements are available for both Aviator for Scripting and Aviator for Analysis:
|
|
MCP support |
Model Context Protocol (MCP) provides a standardized and secure way to leverage AI-driven natural-language prompts. This enables you to streamline and automate performance engineering workflows. MCP server for Controller ServiceThe new Controller Service MCP server enables you to initiate Controller Service processes through external AI tools. You can integrate the MCP server with your favorite AI client, and then use the server tools in chat to run and stop load tests, view Vuser details, and more. For details, see MCP integration. Note: MCP server for Controller Service is a private Beta release. MCP server for DevWebThe DevWeb MCP server includes the following enhancements:
For details, see MCP integration in the OpenText Performance Engineering for Developers Help Center. |
Data and analytics
This release includes the following data and analytics enhancements.
| Area | Enhancement |
|---|---|
| Resource monitoring for load generators |
Disk usage monitoring is now supported for Linux-based load generators, in addition to Windows-based load generators. For details, see Controller and Load Generator Resources monitor. |
| TruClient 2.0 graphs |
Client-side measurements now include two new graphs for TruClient 2.0:
For details, see Client-side monitoring. |
Integrations and ecosystem
This release includes the following integrations and ecosystem enhancement.
| Area | Enhancement |
|---|---|
| Operating system |
Support added for Windows 11 version 25H2. |
VuGen and protocols
Virtual User Generator (VuGen) includes the following enhancements. For details, see the VuGen What's new.
| Area | Enhancement |
|---|---|
| Runtime settings | The runtime settings have an enhanced user interface, with increased accessibility, a more consistent experience, and a more modern look. |
| VTS |
The Virtual Table Server includes the following updates:
|
VuGen protocols include the following enhancements. For details, see the VuGen What's new.
| Area | Enhancement |
|---|---|
| Blazor - Web | A new Blazor - Web protocol is available for recording and replaying Blazor applications with decoded SignalR MessagePack payloads. |
| Citrix ICA | Support added for Citrix Workspace/Citrix Virtual Apps and Desktops version 2507 LTSR. |
| DevWeb | You can now specify an IP version to use during script execution, forcing the system to work with IPv4 or IPv6 only. |
| Kafka | Code generation for Kafka now uses the simplified Builder pattern, replacing the XML raw deserialization that was used previously in the code. |
| LLM |
|
| TruClient 2.0 - Web |
|
| TruClient - Web |
|
| Web – HTTP/HTML |
|
OpenText™ Performance Engineering for Developers includes the following enhancement. For details, see the What's new.
| Area | Enhancement |
|---|---|
| Create scripts from Wireshark file | You can now capture your network traffic using Wireshark, and use the output to generate a DevWeb script. Wireshark captures all types of HTTP traffic. |

