winget install --id Altova.XMLSpy.2026.ProfessionalAbout Altova XMLSpy 2026 Professional Edition
Altova XMLSpy is the world's best selling JSON and XML editor for modeling, editing, transforming, and debugging related technologies. XMLSpy JSON and XML Editor gives developers the tools they need to build the most sophisticated applications with its graphical schema designer, code generation, file converters, debuggers, and profilers for working with XSD, XSLT, XQuery, XBRL, SOAP, and more.
What's new in 2026.02.00
[Grid View] A node pasted into Grid View, which was collapsed when copied, should be collapsed after pasting [XSLT/XQ Debugger] Starting XSLT debugger with JSON file as input results in “XSLT 3.0 Debugging Error” [BSON] XMLSpy crashes with BSON file open after selecting Assign Schema from the DTD/Schema menu [Generate Sample XML File] Results of sample instance generation against customer XML schema vary unexpectedly depending on choice group settings against other content model such as sequence [JSON] Generated sample JSON instance root element is claimed by XMLSpy to be, ‘not valid’ [XBRL validation] No error is reported when a new feature is defined in an xBRL-CSV report using the xbrl namespace
Version history
| Version | Updated | Notes |
|---|---|---|
| 2026.02.00 | Unknown | [Grid View] A node pasted into Grid View, which was collapsed when copied, should be collapsed after pasting [XSLT/XQ Debugger] Starting XSLT debugger with JSON file as input results in “XSLT 3.0 Debugging Error” [BSON]... |
| 2026.00.00.05 | Unknown | [IDE GUI] Passing Parameters to Transformations [Text View] search respectively search & replace dialogue disappears if you switch between applications [Schema View] Ability to preserve attributes when setting or changin... |
| 2026.00.00.03 | Unknown | [IDE GUI] Passing Parameters to Transformations [Text View] search respectively search & replace dialogue disappears if you switch between applications [XML Validator] Ability to set extension of XSLT output file dependi... |
| 2026.00.00 | Unknown | [IDE GUI] Passing Parameters to Transformations [XML Validator] Ability to set extension of XSLT output file depending on value of xsl:output method attribute [Text View] when adding an element - only show valid choices... |