Aligned with the XML Prague 2015 Conference, we are proud to present you Version 8.0 of BaseX, your XML database system and XQuery processor! We provide you with quite a bunch of exciting features:


  • Support for XQuery 3.1 is nearly complete
  • We switched to a new default serialization (“adaptive”)
  • Index rewritings have been improved, more precise cost estimations
  • MIXUPDATES option: update items and return results at the same time
  • New modules: Array and User Module
  • New annotations: %basex:inline, %basex:lazy
  • 13 of our modules were updated and extended


  • DBA: Database Administration in the Browser
  • RESTXQ: regular expressions in paths, support for quality factors
  • AUTHMETHOD option: choose between Basic and Digest authentication


  • Faster document index (storing paths to all XML documents)
  • Replace documents in-place whenever possible
  • Updatable index structures now take much less space
  • AUTOOPTIMIZE option: optimize after each update


  • Revised user management; users are stored as XML
  • Digest authentication, Salted SHA256
  • Clients in various languages updated


  • Better code completions

The latest version is available at We are looking forward to your feedback!

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