Released: Oct 21, 2025

Updates in 2026

Features

• BSON editor
  • BSON (binary JSON) is a binary-encoded data format that extends JSON. It was developed to store and transmit data in the popular MongoDB NoSQL database.
  • Adding to existing support for editing JSON Schemas for BSON, XMLSpy 2026 now includes a BSON editor that provides similar functionality to working with traditional JSON documents. This includes:
    • Intelligent editing of BSON documents in graphical Grid View.
    • Support for BSON datatypes.
    • Validation of BSON against JSON Schemas...

Released: Mar 25, 2025

Updates in 2025 Release 2

Features

• OpenAPI Editor - In addition to existing support for validating and editing JSON Schemas based on the OpenAPI Specification (OAS), XMLSpy 2025 Release 2 supports creating and editing OpenAPI documents in both text view and grid view. Intelligent editing features include syntax highlighting, source folding, auto-completion, and entry helpers.
• Creating HTTP requests with OpenAPI definition - The HTTP Testing Window now includes built in support for selecting OpenAPI to define requests for...

Released: Oct 22, 2024

Updates in 2025

Features

• YAML Grid View - Previously, XMLSpy added support for editing and validating YAML in Text View. Now, in Version 2025, XMLSpy includes a new Grid View for editing YAML documents in a visual way. Like Grid View for XML and JSON, YAML grid provides a graphical representation of the document structure that is immediately easier to understand than the corresponding code in text view.
• Extended YAML support in Text View - Existing support for editing and validating YAML in Text View has been...

Released: Jun 25, 2024

Updates in 2024 Release 2 SP1

Fixes

• Fixed in All/Multiple Products Libraries:
  • Update Python library to 3.11.8 or newer to mitigate OpenSSL vulnerabilities prior to 3.0.13.
  • Update libpng16.dll to a version newer than 1.6.38 to mitigate an alleged vulnerability.
  • Upgrade Visual Studio files to avoid loss of Microsoft support on July 11 2024.

Released: Apr 23, 2024

Updates in 2024 Release 2

Features

• YAML support - YAML is a human-readable data serialization format. Its concise and easy to understand syntax, combined with its ability to represent complex data structures, has made it a popular choice for configuration files, data exchange, and other applications. XMLSpy now provides tools for YAML editing, validation, and conversion, offering convenient support in the same environment where developers are editing XML and JSON. YAML support includes:
  • Editing YAML with syntax...

Released: Oct 24, 2023

Updates in 2024

Features

• AI Assistant - XMLSpy now includes AI integration support to increase developer productivity and creativity. Using the AI Assistant in XMLSpy, you can use natural language prompts to generate XML or JSON schemas, sample instances, XSL or XQuery code, and more. This helps developers of all levels get a significant head start on any project, increasing productivity while letting them focus on bigger problems.
  • It's easy to use your current Open AI key to enable Chat GPT AI functionality in...

Released: Apr 12, 2023

Updates in 2023 Release 2

Features

• Horizontal or vertical split in Grid View - Added support for split views which makes it easy to split a document vertically or horizontally to see and edit different parts of a long document on the screen at once, instead of having to scroll within a single view. You can navigate separately in each view, which enables you to see different parts of the document side-by-side (or above and below). Editing changes in either view are made to the underlying document and are immediately...

Released: Dec 12, 2022

Updates in 2023 SP1

Features

Catalog Files

• Upgraded DITA DTD to v1.3.

Fixes

Browser View

• Find no longer works properly in new Browser View.

Released: Oct 19, 2022

Updates in 2023

Features

• Altova XML Schema Manager
  • Provides a centralized way to install and manage standard XML Schemas for use with XMLSpy and all Altova XML-enabled applications. The convenient interface lets you simply select the schemas you want to install (or uninstall).
  • The XML Schema Manager will automatically select any required dependencies.
  • Once a schema is installed, it’s available for use with any Altova XML-enabled product.
  • You can also open the XML Schema Manager to browse the schemas already...

Released: Mar 8, 2022

Updates in 2022 Release 2

Features

• Improved conversion from XML Schema to JSON Schema.
• Added a setting for maximum nesting levels for XML sample generation - When generating sample XML instance documents based on recursive XML Schemas, it is possible to create a never-ending loop of nested elements. While in the past there was a built-in limit on the number of nesting levels, now the number is configurable so developers can customize sample generation based on the case at hand.
• Added the ability to save images in editing...