3.0.0-beta3

• Fixed deserializing href properties with no value.
• Fixed deserializing {DAV:}propstat without a {DAV:}prop.
• #668: More information about vcf-export-plugin in browser plugin.
• #669: Add export button to browser plugin for address books. (@mgee)
• #670: multiget report hrefs were not decoded.
• The zip release ships with sabre/vobject 3.4.4,
  sabre/http 4.0.0, sabre/event 2.0.2,
  sabre/uri 1.0.1 and sabre/xml 1.0.0.

3.0.0-beta2

• A node's properties should not overwrite properties that were already set.
• Some uris were not correctly encoded in notifications.
• The zip release ships with sabre/vobject 3.4.4,
  sabre/http 4.0.0, sabre/event 2.0.2,
  sabre/uri 1.0.1 and sabre/xml 1.0.0.

3.0.0-beta1

• migrate22.php is now called migrate30.php.
• Using php-cs-fixer for automated coding standards enforcement and fixing.
• #660: principals could break html output.
• #662: Fixed several bugs in the share request parser.
• #665: Fix a bug in serialization of complex properties in the proppatch
  request in the client.
• #666: expand-property report did not correctly prepend the base uri when
  generating uris, this caused delegation to break.
• #659: Don't throw errors when when etag-related checks are done on
  collections.
• Fully supporting the updated Prefer header syntax, as defined in
  rfc7240.
• The zip release ships with sabre/vobject 3.4.3,
  sabre/http 4.0.0, sabre/event 2.0.2,
  sabre/uri 1.0.1 and sabre/xml 1.0.0.

2.1.4

• #651: Double-encoded path in the browser plugin. Should fix a few broken
  links in some setups.
• #650: Correctly cleaning up change info after deleting calendars (@Errorname).
• #658: Updating schedule-calendar-default-URL does not work well, so we're
  disabling it until there's a better fix.
• The zip release ships with sabre/vobject 3.4.3,
  sabre/http 3.0.5, and sabre/event 2.0.2.

2.0.7

• #650: Correctly cleaning up change info after deleting calendars (@Errorname).
• The zip release ships with sabre/vobject 3.3.4,
  sabre/http 2.0.4, and sabre/event 1.0.1.

3.0.0-alpha1

• It's now possible to get all property information from files using the
  browser plugin.
• Browser plugin will now show a 'calendar export' button when the
  ics-export plugin is enabled.
• Some nodes that by default showed the current time as their last
  modification time, now no longer has a last modification time.
• CardDAV namespace was missing from default namespaceMap.
• #646: Properties can now control their own HTML output in the browser plugin.
• #646: Nicer HTML output for the {DAV:}acl property.
• Browser plugin no longer shows a few properties that take up a lot of space,
  but are likely not really interesting for most users.
• #654: Added a collection, Sabre\DAVACL\FS\HomeCollection for automatically
  creating a private home collection per-user.
• Changed all MySQL columns from VARCHAR to VARBINARY where possible.
• Improved older migration scripts a bit to allow easier testing.
• The zip release ships with sabre/vobject 3.4.3,
  sabre/http 4.0.0-alpha3, sabre/event 2.0.22,
  sabre/uri 1.0.1 and sabre/xml 0.4.3.

2.2.0-alpha4

• Complete rewrite of the XML system. We now use our own sabre/xml,
  which has a much smarter XML Reader and Writer.
• BC Break: It's no longer possible to instantiate the Locks plugin without
  a locks backend. I'm not sure why this ever made sense.
• Simplified the Locking system and fixed a bug related to if tokens checking
  locks unrelated to the current request.
• FSExt Directory and File no longer do custom property storage. This
  functionality is already covered pretty well by the PropertyStorage plugin,
  so please switch.
• Renamed Sabre\CardDAV\UserAddressBooks to Sabre\CardDAV\AddressBookHome
  to be more consistent with CalendarHome as well as the CardDAV
  specification.
• Sabre\DAV\IExtendedCollection now receives a Sabre\DAV\MkCol object as
  its second argument, and no longer receives seperate properties and
  resourcetype arguments.
• MKCOL now integrates better with propertystorage plugins.
• The zip release ships with sabre/vobject 3.4.2,
  sabre/http 4.0.0-alpha1, sabre/event 2.0.1,
  sabre/uri 1.0.0 and sabre/xml 0.4.3.

2.2.0alpha3

• Also contains all the changes introduced between 2.1.2 and 2.1.3.
• The zip release ships with sabre/vobject 3.4.2,
  sabre/http 4.0.0-alpha1, sabre/event 2.0.1 and
  sabre/uri 1.0.0.

2.1.3

• #586: SCHEDULE-STATUS should not contain a reason-phrase.
• #539: Fixed a bug related to scheduling in shared calendars.
• #595: Support for calendar-timezone in iCalendar exports.
• #611: Escaping a bit more HTML output in the browser plugin. (@LukasReschke)
• #610: Don't allow discovery of arbitrary files using .. in the browser
  plugin (@LukasReschke).
• Browser plugin now shows quota properties.
• #612: PropertyStorage didn't delete properties from nodes when a node's
  parents get deleted.
• #581: Fixed problems related to finding attendee information during
  scheduling.
• The zip release ships with sabre/vobject 3.4.2,
  sabre/http 3.0.4, and sabre/event 2.0.1.

1.8.12

• The zip release ships with sabre/vobject 2.1.7.
• #568: Support empty usernames and passwords in basic auth.