What's new

This topic introduces the new features and improvements in OpenText Core Performance Engineering 26.3.

AI-driven Performance Engineering

This release includes enhancements to the AI-powered virtual assistant for OpenText Performance Engineering solutions. This release also includes MCP support.

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 OpenText Core Performance Engineering Platform.

Aviator provides scripting support for Performance Engineering products through VuGen, and automated, AI-assisted analysis through Core Performance Engineering Analysis.

Aviator for Scripting

Aviator for Scripting in VuGen includes the following enhancements:

  • Ability to use single sign-on from your browser to complete Aviator authentication.

  • Ability to create new data files and add them under the script folder.

  • A descriptive summary of the parameters used in the script, provided on request.

  • Context-aware scripting assistance that can suggest next steps and relevant actions based on script content and execution context.

  • Advanced language model upgrade, enabling more detailed, accurate, and comprehensive responses.

  • Extended assistance with error logs for Java protocols.

  • AI assistance available in the TruClient 2.0 - Web JavaScript editor.

  • Stability and optimization improvements.

For details, see Aviator for Scripting in the OpenText Virtual User Generator Help Center.

Aviator for Analysis

Ability to use predefined prompts and append results to the current conversation without losing context. For details, see Aviator for Analysis in the OpenText Core Performance Engineering Analysis Help Center.

General Aviator updates

The following enhancements are now available for both Aviator for Scripting and Aviator for Analysis:

  • AI Usage report, available on the AI Usage page of the Core Performance Engineering Platform, providing aggregated visibility into AI query consumption across supported products. For details, see OpenText Core Performance Engineering Platform.

  • Chat management, enabling you to reopen, pin, and rename conversations in the history.

  • Improved functionality and responsiveness.
MCP support

MCP provides a standardized and secure way to leverage AI-driven natural-language prompts to streamline and automate performance engineering workflows.

MCP server for Core Performance Engineering

The Core Performance Engineering MCP server now supports retrieving test run results, reports, and logs using natural-language requests. Supported outputs include summary data, error data, raw transactions, run reports, and Vuser logs.

For details, see MCP integration.

MCP server for DevWeb

The DevWeb MCP server includes the following enhancements:

  • Improved handling of the record, generate, and replay processes.

  • Expanded guidance for working with the MCP server workflows and processes.

  • Provides assistance with writing scripts.

  • Ability to identify high-confidence parameterization candidates, such as user names, passwords, and user identifiers (Beta feature).

  • Ability to create DevWeb scripts using Swagger API specifications, and to edit function parameters.

For details, see MCP integration in the OpenText Performance Engineering for Developers Help Center.

Modernization

This release includes the following modernization updates.

Area Enhancement
Enhanced user interface

Tenant management was upgraded to the new default UX theme. This update improves accessibility, and provides a more consistent user experience with a cleaner, more modern look.

For details, see Tenant management.

Data and analytics

This release includes the following data and analytics updates.

Area Enhancement
License usage report

Refunded runs now display two lines in the License usage report: the original VUH charge and a VUH refund line. Refunded runs are indicated by an info tag near the Type column.

For details, see Refunded runs.
TruClient - Native Mobile metrics in Dashboard

Dashboard now includes TruClient - Native Mobile device metrics: CPU utilization percentage, Free memory in device, and Memory consumed by application.

For details, see Dashboard metrics.

Load testing and modeling

This release includes the following load testing and modeling updates.

Area Enhancement
Run as runtime setting

Runtime settings now include a Run as option for Web - HTTP/HTML scripts, enabling you to select thread or process execution mode.

For details, see Runtime settings.

Cloud and SaaS

This release includes the following cloud updates.

Area Enhancement
Cloud LG location

A new cloud load generator distribution location for AWS was added for Spain.

For details, see Vuser load distribution.

Integrations and ecosystem

This release includes the following integrations and ecosystem updates.

Area Enhancement
Core Performance Engineering Analysis integration

Core Performance Engineering Analysis integration includes the following enhancements:

  • Administrators now have direct control over which projects stream data to Core Performance Engineering Analysis directly from the Projects grid.

  • Assigned projects and project users are synchronized automatically, so project visibility is available without waiting for a first run.

  • Tenant administrators can view all assigned projects within their tenant for improved oversight.

For details, see Projects.
Core Performance Engineering Platform

Platform administrators can view all platform access keys in their tenant, or only their own keys. They can also create and revoke their own access keys. To add Platform Admin users, submit a service request.

For details, see Manage access keys.
Dynatrace monitor

New Dynatrace monitors now use Dynatrace API v2 credentials and support many more numeric infrastructure metrics.

For details, see Add a Dynatrace SaaS monitor.
Streaming agent

The Docker streaming agent includes the following enhancements:

  • The STORM_SERVER environment variable is now required to identify the target server during setup and connection.

  • Authentication messages now distinguish incorrect credentials from a server URL that does not match your tenant's farm.

For details, see Install the streaming agent.
Extended public API

A new capability has been added to the OpenText Core Performance Engineering public API that enables streaming test data to OpenText Core Performance Engineering Analysis.

For details, see Public API.

VuGen and protocols

OpenText Virtual User Generator (VuGen) includes the following enhancements. For details, see the VuGen What's New.

Area Enhancement
Runtime settings The runtime settings are now using the new UX theme. This theme provides 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:

  • Ability to search the VTS table using the Column name, by retrieving a range of values from the column.

  • Ability to use locally installed help with VTS.

  • Security fixes.

VuGen protocols include the following enhancements. For details, see the VuGen What's New.

Area Enhancement
.NET+ Added support for the .NET+ protocol for performance testing .NET applications on Windows on‑premises load generators.
Citrix ICA Support added for Citrix Virtual Apps and Desktops and Citrix Workspace 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.

  • DevWeb now supports CSV-based scripts for upload, editing, and execution using main.csv.
Kafka Code generation for Kafka now uses the simplified Builder pattern, replacing the XML raw deserialization that was used previously in the code.
LLM

  • Support for Anthropic model.

  • Support added for custom LLM models that are non-streaming, JSON-formatted, and include token counts.

  • Ability to configure cross-step execution, controlling whether the script waits for the LLM request to complete.
TruClient 2.0 - Web

  • If TruClient shuts down unexpectedly, you can recover a script from its last known state.

  • You can now call a Javascript function using a Generic API action step, and create a variable if needed.

  • Support added for two new client-side measurements, Cumulative Layout Shift (CLS) and Interaction to Next Paint (INP).

  • AI assistance is now available in the JavaScript editor for code generation and code-fix suggestions.

  • Support added for speed simulation on Windows and Linux.

  • UI improvements for all code editors.

  • Security fixes.
TruClient - Web

  • Support for Chromium browser version 149.

  • Security fixes.
Web – HTTP/HTML

  • Enhanced web-recording performance.

  • Improved recording performance and certificate creation when recording with proxy.

  • Non-blocking socket support.

  • Improved WebSocket recording.

OpenText Performance Engineering for Developers includes the following enhancements. 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.

Deprecation notices

This release includes the following deprecation notices.

Area Description
Access keys

The API Access keys page in OpenText Core Performance Engineering's Tenant management will be deprecated in the next release, and keys generated here will no longer be valid.

To avoid service disruption, create new access keys from Administration > Core Performance Engineering Platform instead. For details, see Create access keys
Username and password authentication

For tenants created in version 24.3 or earlier, username and password authentication for all agents, OPLGs, public APIs, and plugins will be deprecated in the next release. Access keys are required instead. For details, see Create access keys.

For a complete list of deprecated items and planned removals, see Deprecated features and functionality.