4.1.1

• #327: Throwing InvalidDataException in more cases where invalid iCalendar
  dates and times were provided. (@rsto)
• #331: Fix dealing with multiple overridden instances falling on the same
  date/time (@afedyk-sugarcrm).
• #333: Fix endless loop on invalid BYMONTH values in recurrence.
  (@PHPGangsta)
• #339: Fixed a few validate() results when repair is off. (@PHPGangsta)
• #338: Stripping invalid BYMONTH= rules during validate() (@PHPGangsta)
• #336: Fix incorrect BYSECOND= validation. (@PHPGangsta)

3.5.2

• #312: Backported a fix related to iTip processing of events with timezones,
  without a master event.

4.1.0

• #309: When expanding recurring events, the first event should also have a
  RECURRENCE-ID property.
• #306: iTip REPLYs to the first instance of a recurring event was not handled
  correctly.
• Slightly better error message during validation of N and ADR properties.
• #312: Correctly extracing timezone in the iTip broker, even when we don't
  have a master event. (@vkomrakov-sugar).
• When validating a component's property that must appear once and which could
  automatically be repaired, make sure we report the change as 'repaired'.
• Added a PHPUnitAssertions trait. This trait makes it easy to compare two
  vcards or iCalendar objects semantically.
• Better error message when parsing objects with an invalid VALUE parameter.

3.5.1

• #309: When expanding recurring events, the first event should also have a
  RECURRENCE-ID property.
• #306: iTip REPLYs to the first instance of a recurring event was not handled
  correctly.

4.0.3

• #300: Added VCard::getByType() to quickly get a property with a specific
  TYPE parameter. (@kbond)
• #302: UNTIL was not encoded correctly when converting to jCal.
  (@GrahamLinagora)
• #303: COUNT is now encoded as an int in jCal instead of a string. (@strokyl)
• #295: RRULE now has more validation and repair rules.

4.0.2

• #288: Only decode CHARSET if we're reading vCard 2.1. If it appears
  in any other document, we must ignore it.

3.5.0

• This release supports PHP 7, contrary to 3.4.x versions.
• BC Break: Sabre\VObject\Property\Float has been renamed to
  Sabre\VObject\Property\FloatValue.
• BC Break: Sabre\VObject\Property\Integer has been renamed to
  Sabre\VObject\Property\IntegerValue.

3.4.9

• This package now specifies in composer.json that it does not support PHP 7.
  For PHP 7, use version 3.5.x or 4.x.

4.0.1

• #284: When generating CANCEL iTip messages, we now include DTEND.
  (@kewisch)

3.4.8

• #284: When generating CANCEL iTip messages, we now include DTEND.
  (@kewisch).