What's new in 26.1 – 26.3

This topic introduces the new features and improvements in OpenText Core Performance Engineering versions 26.1 – 26.3.

What's new in 26.3

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

Area Enhancement

AI-driven Performance Engineering

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

Aviator for Analysis includes the following enhancement:

  • 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
  • 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
  • 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
  • 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
  • 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
  • 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.

  • 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.

  • .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.

  • 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
  • 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.

What's new in 26.2

This topic introduces the new features and improvements in OpenText Core Performance Engineering  26.2.

Area Enhancement
AI-driven Performance Engineering

Core Performance Engineering Aviator

Core Performance Engineering Aviator is a cloud‑based enterprise service that provides artificial intelligence (AI) capabilities for OpenText Performance Engineering products when connected to this paid service. Aviator enhances performance engineering workflows by providing AI‑assisted scripting and automated, AI‑driven analysis.

Aviator for Analysis includes the following enhancements:

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

  • Chat management, available in Aviator for Analysis only, enables you to view, reopen, and rename conversations, and start new sessions from predefined prompts.

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

For details on Aviator for Analysis, see the OpenText Core Performance Engineering Analysis Help Center.

For details about supported client instances and integration details, see OpenText Core Performance Engineering Aviator.

Data and analytics
  • License consumption reports. License consumption reports now include detailed load generator data, enabling visibility into the usage of on-premises and cloud Load Generators for each test run. For details, see View license consumption.

  • Public API. New Public API operations enable exporting and downloading Vuser logs, improving automation and troubleshooting capabilities. For details, see Public API.

Integrations and ecosystem
  • Core Performance Engineering Platform. A new Administration section has been added to the menu. Within it, the Core Performance Engineering Platform enables users to generate and manage their own secure access keys for connecting on-premises agents, authenticating public APIs, and integrating CI plugins and MCP services. For details, see OpenText Core Performance Engineering Platform.

  • Application Insights monitor. Due to Microsoft Azure's improved security, Application Insights monitors are now created using extra ID authentication. Monitors created with API keys in earlier versions will stop fetching data after Microsoft enforces this change. To ensure that existing monitors continue to fetch data, use the Update credentials option. The updated credentials will be applied to all tests that use this monitor.For details, see Add an Application Insights monitor.

Deprecation notices
  • TruAPI. Running tests with the TruAPI protocol is no longer supported.

  • API Access key page. The API Access keys page in Tenant Management is page is planned for removal in a future release, and any keys generated there will no longer be valid. To ensure uninterrupted service, go to Administration > Core Performance Engineering Platform and create new keys there. For details, see Create access keys.

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

What's new in 26.1

This topic introduces the new features and improvements in OpenText Core Performance Engineering  26.1.

Area Enhancement

AI-driven Performance Engineering

Core Performance Engineering Aviator

Core Performance Engineering Aviator service

Core Performance Engineering Aviator is a cloud-based enterprise service that delivers Artificial Intelligence (AI) capabilities to extend functionality within OpenText Performance Engineering products that are connected to this paid service.

Aviator provides scripting support for performance engineering products through VuGen and automated, AI‑assisted analysis through Core Performance Engineering Analysis. For details on supported client instances and integrating with Aviator, see OpenText Core Performance Engineering Platform.

AI-driven scripting assistance

Aviator for Scripting in VuGen is generally available for all users. It provides assistance throughout the scripting process, helping to save time and simplify script creation.

Aviator for Scripting includes the following key capabilities:

  • Selecting protocols: Provides assistance on selecting the most appropriate protocol for creating a script.

  • Providing coding support: Assists with how to perform specific tasks in VuGen.

  • Analyze errors: Helps identify and resolve script errors.

  • Optimization: Reviews scripts and provides suggestions for improvement.

  • Summarize: When a script is complete, Aviator can create a summary of key actions executed by the script.

When used together, these features save time and reduce the skill sets required for scripting.

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

AI-driven data analysis

Aviator for Analysis in Core Performance Engineering Analysis is generally available for all users. It includes the following key capabilities:

  • Conversational analysis: Performance engineers can interact with Aviator using natural language, directly within the dashboard environment.

  • Error analysis: Performance engineers can interact with the Aviator directly in the Error grid to request general error details, possible root causes, and recommended remediation steps.

  • Widget generation: Performance engineers can generate dashboard widgets using natural language or predefined prompts.

For details, see Aviator for Analysis in the OpenText Core Performance Engineering Analysis Help Center.

MCP support

MCP support is now available, providing a standardized and secure way to leverage AI-driven natural-language prompts to streamline and automate performance engineering workflows. This release includes the following MCP servers:

MCP server for Core Performance Engineering

MCP server for Core Performance Engineering enables natural‑language access to tenant data and actions through your preferred MCP client. For details, see MCP integration.

MCP server for DevWeb

MCP server for DevWeb. DevWeb now supports MCP. Using Microsoft Copilot in Visual Studio Code, natural language can be used to interact with the DevWeb MCP server to perform common tasks such as:

  • Record a DevWeb script.

  • Generate a DevWeb script from a HAR file.

  • Generate a DevWeb script from a Swagger file.

  • Run DevWeb scripts in Single mode, Single mode with iterations, or Load mode.

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

User experience
  • Scripts. You can group scripts by Type and Author. This enables you to apply bulk updates, such as deletions, to particular groupings. For details, see Scripts.

  • Licenses. The latest allocation snapshot is now stored for each VU/VUH license, including expired licenses. This gives administrators visibility into how the license was recently allocated to projects, making it easy to reassign allocations after adding a new or renewed license. You can also export allocation details for active and inactive licenses. For details, see License allocation.

    Note: The system does not link new licenses to prior licenses, so snapshots are not carried over between licenses.

Modernization
  • User interface. The user interface has been restyled and modernized to deliver a more consistent and accessible experience. Key improvements include:

    • All interface components, including menus, dialog boxes, and tooltips, have been updated for better usability and responsiveness.

    • A redesigned masthead and navigation menu provide a modern look and improved usability.

    • Unified design language enhances user experience and cross-product consistency.

Integrations and ecosystem
  • Git. The Git integration has been enhanced for faster updates. Windows and Linux agents now reflect new commits in the UI within 30 seconds (previously 2 minutes). The synchronization interval is configurable and can be reduced to as low as 5 seconds using the STORM_GIT_SYNC_INTERVAL parameter. For details, see Git integration.

  • Core Performance Engineering Analysis. Added support for streaming the following data to OpenText Core Performance Engineering Analysis:

    • Data from all OpenText Core Performance Engineering monitors.

    • Data from scripts running on Linux and Windows on-premises load generators.

    For details, see OpenText Core Performance Engineering Analysis integration.

Security and infrastructure

Cookie preferences Cookie preferences are now saved for every user. You can set cookie preferences in the Settings menu. For details, see Banner buttons.

VuGen and protocols

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

  • Windows OPLG. The silent installation process for Windows OPLG has been improved, enabling you to define the server URL once in the YAML file and deploy it to multiple machines in a single step. For details, see Perform a silent OPLG installation.

  • VTS:

    • Modernized VTS UI.

    • Updated technology for running actions from the command line.

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

  • Finance ISO. Added support for the Finance ISO protocol, enabling you to create a Vuser script to monitor financial transactions using the ISO-8583 standard. The protocol provides metrics on the send and receive messages between the server and the client.

  • TruClient 2.0 - Web:

    • Support added for Mozilla Firefox browser (Beta feature).

    • New image-based object identification method.

    • Support added for objects with dynamic randomly-generated IDs.

    • Removal of the recorder extension, to meet security requirements regarding unpacked extensions.

  • TruClient - Web:

    • TruClient - Web TruClient Browser run mode upgraded to multi-process.

    • Support for Chromium browser version 143.

    • Support for TruClient Browser equivalent to Mozilla Firefox version 146.

  • Java protocols. Support for Oracle JRE/JDK version 25.

OpenText Performance Engineering for Developers includes the following enhancements. For details, see the What's new.

  • Third-party integrations. Documentation added for using node modules to incorporate third-party APIs in DevWeb scripts.

Deprecation notices

This release includes the following deprecation notices:

  • TruAPI. TruAPI is planned for removal in a future version.

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

See also