• The zip release ships with sabre/vobject 3.1.3, sabre/http 2.0.1, and
  sabre/event 1.0.0.
• Added: Browser can now inspect any node, if ?sabreaction=browser is appended.
• Fixed: Issue #178. Support for multiple items in the Timeout header.
• Fixed: Issue #382. Stricter checking if calendar-query is allowed to run.
• Added: Depth: Infinity support for PROPFIND request. Thanks Thomas Müller and
  Markus Goetz.