A chance remark at Balisage 2026 (RIP) led me to consider the question: can you write an XSD schema to validate a linked set of XML documents, rather than just a single document? Here's a use case: the test suite for XQuery/XPath 4.0 consis…
Announcing Saxon 12.10! The Saxon 12.10 maintenance release has been published. This is a maintenance release for Java, C#, C/C++, PHP, and Python that fixes a number of issues that have been raised since 12.9 was released. Saxon 12.10 was
Announcing Saxon 13.0! The first release of Saxon 13 has just been published. This is a new release for Java, C#, C/C++, PHP, and Python. The highlights in this release are: A redesigned Schema API that allows multiple schemas to coexist. Y…
Here's a fun list of new features in the XPath 4.0, XQuery 4.0, and XSLT 4.0, that are available to play with in Saxon 13. Select an attribute, using a default value if absent @discount otherwise 0 Use a conditional with no else branch if (…
Saxonica is pleased to announce that we’re having a user group meeting on the pre-conference day at XML Prague. Everyone is welcome! We have a very loose agenda prepared, but this will be an informal event with lots of opportunities to ask
Saxonica is a small company, but we’re doing innovative work all the same. In October, Matt Patterson and I represented Saxonica at the GraalVM Community Summit at Oracle’s offices in Zurich, because of the work we’re doing using GraalVM’s
I’m asking for help, but first, a little background. Saxon 10.x is the last Saxon release that supported Microsoft .NET Framework. The Saxon 11 and 12 releases only run on .NET Core. But we still have customers with applications that need .…
We’ve made a couple of Saxon 12 releases where we (once intentionally, once accidentally) built the Java release without support for JDK 8. Users noticed. We’re starting to think about Saxon 13 and we’re definitely planning to move the mini…
The Saxon 12.9 maintenance release has been published. This is a maintenance release for Java, C#, C/C++, PHP, and Python that fixes a number of issues that have been raised since 12.8 was released. Saxon 12.9 was released on 12 September 2…
For more than twenty years, it’s been possible to serve XML documents on the web, making them available to applications as well-formed XML and to humans as nicely formatted web pages. This is a win-win scenario for many users, but the WHATW…
The WHATWG recently proposed to “remove XSLT from the web platform”. This is not the first attempt. There’s a long discussion thread on the GitHub issue for the current proposal, including a lot of pushback. The same is true of the related
With the recent release of Python 3.14.0rc1, the ABI for Python 3.14 is final, and any SaxonC Python wheels we build against it will also work with the final 3.14 release. The TL;DR is that we’ve done that, and you can pip install saxonche