2.1.7

• #705: A MOVE request that gets prevented from deleting the source resource
  will still remove the target resource. Now all events are triggered before
  any destructive operations.
• The zip release ships with sabre/vobject 3.4.7,
  sabre/http 3.0.5, and sabre/event 2.0.2.

2.0.9

• #705: A MOVE request that gets prevented from deleting the source resource will still remove the target resource. Now all events are triggered before any destructive operations.
• The zip release ships with sabre/vobject 3.4.6,
  sabre/http 2.0.4, and sabre/event 1.0.1.

3.0.3

• #700: Digest Auth fails on HEAD requests.
• Fixed example files to no longer use now-deprecated realm argument.
• The zip release ships with sabre/vobject 3.4.6,
  sabre/http 4.0.0, sabre/event 2.0.2,
  sabre/uri 1.0.1 and sabre/xml 1.1.0.

3.0.2

• #657: Migration script would break when coming a cross an iCalendar object
  with no UID.
• #691: Workaround for broken Windows Phone client.
• Fixed a whole bunch of incorrect php docblocks.
• The zip release ships with sabre/vobject 3.4.5,
  sabre/http 4.0.0, sabre/event 2.0.2,
  sabre/uri 1.0.1 and sabre/xml 1.1.0.

2.1.6

• #657: Migration script would break when coming a cross an iCalendar object
  with no UID.
• #691: Workaround for broken Windows Phone client.
• The zip release ships with sabre/vobject 3.4.5,
  sabre/http 3.0.5, and sabre/event 2.0.2.

3.1.0-alpha1

• Now requires PHP 5.5
• Upgraded to vobject 4, which is a lot faster.
• Support for PHP 7.
• #690: Support for calendar-availability, draft 05.
  reference.
• #691: Workaround for broken Windows Phone client.
• The zip release ships with sabre/vobject 4.0.0-alpha1,
  sabre/http 4.0.0, sabre/event 2.0.2,
  sabre/uri 1.0.1 and sabre/xml 1.1.0.

2.1.5

• #677: Resources with the name '0' would not get retrieved when using
  Depth: infinity in a PROPFIND request.
• The zip release ships with sabre/vobject 3.4.5,
  sabre/http 3.0.5, and sabre/event 2.0.2.

2.0.8

• #677: Resources with the name '0' would not get retrieved when using
  Depth: infinity in a PROPFIND request.
• The zip release ships with sabre/vobject 3.3.5,
  sabre/http 2.0.4, and sabre/event 1.0.1.

3.0.1

• #674: Postgres sql file fixes. (@davesouthey)
• #677: Resources with the name '0' would not get retrieved when using
  Depth: infinity in a PROPFIND request.
• #680: Fix 'autoprefixing' of dead {DAV:}href properties.
• #675: NTLM support in DAV\Client. (@k42b3)
• The zip release ships with sabre/vobject 3.4.5,
  sabre/http 4.0.0, sabre/event 2.0.2,
  sabre/uri 1.0.1 and sabre/xml 1.1.0.

3.0.0

Version 3.0!! Whoo!!!!

Full announcement here

• No changes since last beta.
• The zip release ships with sabre/vobject 3.4.5,
  sabre/http 4.0.0, sabre/event 2.0.2,
  sabre/uri 1.0.1 and sabre/xml 1.0.0.