• #877: Fix for syncing large calendars when using the Sqlite PDO backend.
  (@theseer).
• #889 Added support for filtering vCard properties in the addressbook-query
  REPORT (@DeepDiver1975).
• The zip release ships with sabre/vobject 4.1.2,
  sabre/http 4.2.2, sabre/event 3.0.0,
  sabre/uri 1.2.0 and sabre/xml 1.5.0.