CHANGELOG.md

ChangeLog

4.2.0 (2019-02-19)

• #432: DTSTAMP must be specified in UTC
• #435: ORGANIZER e-mail address are case-insensitive
• #441: Repairing BASE64 encoded vCard version 3

4.2.0-alpha1 (2018-09-26)

• #412: Broker: add timezone to CANCEL messages
• #424: Support php7.3

4.1.6 (2018-04-20)

• #406, #407, #408, #409: Another round of performance improvements in serialization of properties (@gharlan, @staabm)
• #410: Fixes in iTip for handling BYDAY=SA,SO (@gharlan)
• #381: Fixes in iTip handling of SCHEDULE-FORCE-SEND (@alecpl)

4.1.5 (2018-03-08)

• #404: Serialization: Performance boost for long properties (@gharlan)

4.1.4 (2017-12-22)

• #383: Fix possible infinite loop in RRuleIterator, when the RRule FREQ is YEARLY and it uses BYYEARDAY only (@mvdnes).
• #392: Improved significant change detection. This should reduce the number of unneeded update emails in scheduling systems. (@alecpl).
• #395: Removed Canada/East-Saskatchewan timezone, as it got removed from PHP as well. (@remicollet).

4.1.3 (2017-10-18)

• #363: Repair script and de-duplicate properties that are only allowed once, but appear more than once. (@ddolcimascolo).
• #377: Added Pacific Time (US & Canada) as exchange timezone
• #384: Added fallback for VCards without FN

4.1.2 (2016-12-15)

• #340: Support for BYYEARDAY recurrence when FREQ=YEARLY. (@PHPGangsta)
• #341: Support for BYWEEKNO recurrence when FREQ=YEARLY. (@PHPGangsta)
• Updated to the latest windows timezone data mappings.
• #344: Auto-detecting more Outlook 365-generated timezone identifiers. (@jpirkey)
• #348: FreeBusyGenerator can now accept streams.
• Support sabre/xml 1.5 and 2.0.
• #355: Support DateTimeInterface in more places where only DateTime was supported. (@gharlan).
• #351: Fixing an inclusive/exclusive problem with isInTimeRange and fastForward with all-day events. (@strokyl, thanks you are brilliant).

4.1.1 (2016-07-15)

• #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)

4.1.0 (2016-04-06)

• #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.

4.0.3 (2016-03-12)

• #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 (2016-01-11)

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

4.0.1 (2016-01-04)

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

4.0.0 (2015-12-11)

• #274: When creating new vCards, the default vCard version is now 4.0.
• #275: VEVENT, VTODO and VCARD now automatically get a UID and DTSTAMP property if this was not already specified.
• ParseException now extends \Exception.
• Sabre\VObject\Reader::read now has a $charset argument.
• #272: Sabre\VObject\Recur\EventIterator::$maxInstances is now Sabre\VObject\Settings::$maxRecurrences and is also honored by the FreeBusyGenerator.
• #278: expand() did not work correctly on events with sub-components.

4.0.0-beta1 (2015-12-02)

• #258: Support for expanding events that use RDATE. (@jabdoa2)
• #258: Correctly support TZID for events that use RDATE. (@jabdoa2)
• #240: Component\VCalendar::expand() now returns a new expanded VCalendar object, instead of editing the existing VCalendar in-place. This is a BC break.
• #265: Using the new InvalidDataException in place of InvalidArgumentException and LogicException in all places where we fail because there was something wrong with input data.
• #227: Always add VALUE=URI to PHOTO properties.
• #235: Always add VALUE=URI to URL properties.
• It's now possible to override which class is used instead of Component\VCalendar or Component\VCard during parsing.
• #263: Lots of small cleanups. (@jakobsack)
• #220: Automatically stop recurring after 3500 recurrences.
• #41: Allow user to set different encoding than UTF-8 when decoding vCards.
• #41: Support the ENCODING parameter from vCard 2.1. Both ISO-8859-1 and Windows-1252 are currently supported.
• #185: Fix encoding/decoding of TIME values in jCal/jCard.

4.0.0-alpha2 (2015-09-04)

• Updated windows timezone file to support new mexican timezone.
• #239: Added a BirthdayCalendarGenerator. (@DominikTo)
• #250: isInTimeRange() now considers the timezone for floating dates and times. (@armin-hackmann)
• Added a duplicate vcard merging tool for the command line.
• #253: isInTimeRange() now correctly handles events that throw the NoInstancesException exception. (@migrax, @DominikTo)
• #254: The parser threw an E_NOTICE for certain invalid objects. It now correctly throws a ParseException.

4.0.0-alpha1 (2015-07-17)

• sabre/vobject now requires PHP 5.5.
• #244: PHP7 support.
• Lots of speedups and reduced memory usage!
• #160: Support for xCal a.k.a. RFC6321! (@Hywan)
• #192: Support for xCard a.k.a. RFC6351! (@Hywan)
• #139: We now accept DateTimeInterface wherever it accepted DateTime before in arguments. This means that either DateTime or DateTimeImmutable may be used everywhere.
• #242: Full support for the VAVAILABILITY component, and calculating VFREEBUSY based on VAVAILABILITY data.
• #186: Fixing conversion of UTC-OFFSET properties when going back and forward between jCal and iCalendar.
• Properties, Components and Parameters now implement PHP's JsonSerializable interface.
• #139: We now always return DateTimeImmutable from any method. This could potentially have big implications if you manipulate Date objects anywhere.
• #161: Simplified ElementList by extending ArrayIterator.
• Removed RecurrenceIterator (use Recur\EventIterator instead).
• Now using php-cs-fixer to automatically enforce and correct CS.
• #233: The +00:00 timezone is now recognized as UTC. (@c960657)
• #237: Added a destroy() method to all documents. This method breaks any circular references, allowing PHP to free up memory.
• #197: Made accessing properties and objects by their name a lot faster. This especially helps objects that have a lot of sub-components or properties, such as large iCalendar objects.
• #197: The $children property on components has been changed from public to protected. Use the children() method instead to get a flat list of objects.
• #244: The Float and Integer classes have been renamed to FloatValue and IntegerValue to allow PHP 7 compatibility.

3.5.3 (2016-10-06)

• #331: Fix dealing with multiple overridden instances falling on the same date/time (@afedyk-sugarcrm).

3.5.2 (2016-04-24)

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

3.5.1 (2016-04-06)

• #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.

3.5.0 (2016-01-11)

• 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 (2016-01-11)

• 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.

3.4.8 (2016-01-04)

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

3.4.7 (2015-09-05)

• #253: Handle isInTimeRange for recurring events that have 0 valid instances. (@DominikTo, @migrax).

3.4.6 (2015-08-06)

• #250: Recurring all-day events are incorrectly included in time range requests when not using UTC in the time range. (@armin-hackmann)

3.4.5 (2015-06-02)

• #229: Converting vcards from 3.0 to 4.0 that contained a LANG property would throw an error.

3.4.4 (2015-05-27)

• #228: Fixed a 'party crasher' bug in the iTip broker. This would break scheduling in some cases.

3.4.3 (2015-05-19)

• #219: Corrected validation of EXDATE properties with more than one value.
• #212: BYSETPOS with values below -1 was broken and could cause infinite loops.
• #211: Fix BYDAY=-5TH in recurrence iterator. (@lindquist)
• #216: ENCODING parameter is now validated for all document types.
• #217: Initializing vCard DATE objects with a PHP DateTime object will now work correctly. (@thomascube)

3.4.2 (2015-02-25)

• #210: iTip: Replying to an event without a master event was broken.

3.4.1 (2015-02-24)

• A minor change to ensure that unittests work correctly in the sabre/dav test-suite.

3.4.0 (2015-02-23)

• #196: Made parsing recurrence rules a lot faster on big calendars.
• Updated windows timezone mappings to latest unicode version.
• #202: Support for parsing and validating VAVAILABILITY components. (@Hywan)
• #195: PHP 5.3 compatibility in 'generatevcards' script. (@rickdenhaan)
• #205: Improving handling of multiple EXDATE when processing iTip changes. (@armin-hackmann)
• #187: Fixed validator rules for LAST-MODIFIED properties.
• #188: Retain floating times when generating instances using Recur\EventIterator.
• #203: Skip tests for timezones that are not supported on older PHP versions, instead of a hard fail.
• #204: Dealing a bit better with vCard date-time values that contained milliseconds. (which is normally invalid). (@armin-hackmann)

3.3.5 (2015-01-09)

• #168: Expanding calendars now removes objects with recurrence rules that don't have a valid recurrence instance.
• #177: SCHEDULE-STATUS should not contain a reason phrase, only a status code.
• #175: Parser can now read and skip the UTF-8 BOM.
• #179: Added isFloating to DATE-TIME properties.
• #179: Fixed jCal serialization of floating DATE-TIME properties.
• #173: vCard converter failed for X-ABDATE properties that had no X-ABLABEL.
• #180: Added PROFILE_CALDAV and PROFILE_CARDDAV to enable validation rules specific for CalDAV/CardDAV servers.
• #176: A missing UID is no longer an error, but a warning for the vCard validator, unless PROFILE_CARDDAV is specified.

3.3.4 (2014-11-19)

• #154: Converting ANNIVERSARY to X-ANNIVERSARY and X-ABDATE and vice-versa when converting to/from vCard 4.
• #154: It's now possible to easily select all vCard properties belonging to a single group with $vcard->{'ITEM1.'} syntax. (@armin-hackmann)
• #156: Simpler way to check if a string is UTF-8. (@Hywan)
• Unittest improvements.
• #159: The recurrence iterator, freebusy generator and iCalendar DATE and DATE-TIME properties can now all accept a reference timezone when working floating times or all-day events.
• #159: Master events will no longer get a RECURRENCE-ID when expanding.
• #159: RECURRENCE-ID for all-day events will now be correct when expanding.
• #163: Added a getTimeZone() method to VTIMEZONE components.

3.3.3 (2014-10-09)

• #142: CANCEL and REPLY messages now include the DTSTART from the original event.
• #143: SCHEDULE-AGENT on the ORGANIZER property is respected.
• #144: PARTSTAT=NEEDS-ACTION is now set for new invites, if no PARTSTAT is set to support the inbox feature of iOS.
• #147: Bugs related to scheduling all-day events.
• #148: Ignore events that have attendees but no organizer.
• #149: Avoiding logging errors during timezone detection. This is a workaround for a PHP bug.
• Support for "Line Islands Standard Time" windows timezone.
• #154: Correctly work around vCard parameters that have a value but no name.

3.3.2 (2014-09-19)

• Changed: iTip broker now sets RSVP status to false when replies are received.
• #118: iTip Message now has a getScheduleStatus() method.
• #119: Support for detecting 'significant changes'.
• #120: Support for SCHEDULE-FORCE-SEND.
• #121: iCal demands parameters containing the + sign to be quoted.
• #122: Don't generate REPLY messages for events that have been cancelled.
• #123: Added SUMMARY to iTip messages.
• #130: Incorrect validation rules for RELATED (should be RELATED-TO).
• #128: ATTACH in iCalendar is URI by default, not BINARY.
• #131: RRULE that doesn't provide a single valid instance now throws an exception.
• #136: Validator rejects all control characters. We were missing a few.
• #133: Splitter objects will throw exceptions when receiving incompatible objects.
• #127: Attendees who delete recurring event instances events they had already declined earlier will no longer generate another reply.
• #125: Send CANCEL messages when ORGANIZER property gets deleted.

3.3.1 (2014-08-18)

• Changed: It's now possible to pass DateTime objects when using the magic setters on properties. ($event->DTSTART = new DateTime('now')).
• #111: iTip Broker does not process attendee adding events to EXDATE.
• #112: EventIterator now sets TZID on RECURRENCE-ID.
• #113: Timezone support during creation of iTip REPLY messages.
• #114: VTIMEZONE is retained when generating new REQUEST objects.
• #114: Support for 'MAILTO:' style email addresses (in uppercase) in the iTip broker. This improves evolution support.
• #115: Using REQUEST-STATUS from REPLY messages and now propegating that into SCHEDULE-STATUS.

3.3.0 (2014-08-07)

• We now use PSR-4 for the directory structure. This means that everything that was used to be in the lib/Sabre/VObject directory is now moved to lib/. If you use composer to load this library, you shouldn't have to do anything about that though.
• VEVENT now get populated with a DTSTAMP and UID property by default.
• BC Break: Removed the 'includes.php' file. Use composer instead.
• #103: Added support for processing iTip messages. This allows a user to parse incoming iTip messages and apply the result on existing calendars, or automatically generate invites/replies/cancellations based on changes that a user made on objects.
• #75, #58, #18: Fixes related to overriding the first event in recurrences.
• Added: VCalendar::getBaseComponent to find the 'master' component in a calendar.
• #51: Support for iterating RDATE properties.
• Fixed: Issue #101: RecurrenceIterator::nextMonthly() shows events that are excluded events with wrong time

3.2.4 (2014-07-14)

• Added: Issue #98. The VCardConverter now takes X-APPLE-OMIT-YEAR into consideration when converting between vCard 3 and 4.
• Fixed: Issue #96. Some support for Yahoo's broken vcards.
• Fixed: PHP 5.3 support was broken in the cli tool.

3.2.3 (2014-06-12)

• Validator now checks if DUE and DTSTART are of the same type in VTODO, and ensures that DUE is always after DTSTART.
• Removed documentation from source repository, to http://sabre.io/vobject/
• Expanded the vobject cli tool validation output to make it easier to find issues.
• Fixed: vobject repair. It was not working for iCalendar objects.

3.2.2 (2014-05-07)

• Minor tweak in unittests to make it run on PHP 5.5.12. Json-prettifying slightly changed which caused the test to fail.

3.2.1 (2014-05-03)

• Minor tweak to make the unittests run with the latest hhvm on travis.
• Updated timezone definitions.
• Updated copyright links to point to http://sabre.io/

3.2.0 (2014-04-02)

• Now hhvm compatible!
• The validator can now detect a lot more problems. Many rules for both iCalendar and vCard were added.
• Added: bin/generate_vcards, a utility to generate random vcards for testing purposes. Patches are welcome to add more data.
• Updated: Windows timezone mapping to latest version from unicode.org
• Changed: The timezone maps are now loaded in from external files, in lib/Sabre/VObject/timezonedata.
• Added: Fixing badly encoded URL's from google contacts vcards.
• Fixed: Issue #68. Couldn't decode properties ending in a colon.
• Fixed: Issue #72. RecurrenceIterator should respect timezone in the UNTIL clause.
• Fixed: Issue #67. BYMONTH limit on DAILY recurrences.
• Fixed: Issue #26. Return a more descriptive error when coming across broken BYDAY rules.
• Fixed: Issue #28. Incorrect timezone detection for some timezones.
• Fixed: Issue #70. Casting a parameter with a null value to string would fail.
• Added: Support for rfc6715 and rfc6474.
• Added: Support for DateTime objects in the VCard DATE-AND-OR-TIME property.
• Added: UUIDUtil, for easily creating unique identifiers.
• Fixed: Issue #83. Creating new VALUE=DATE objects using php's DateTime.
• Fixed: Issue #86. Don't go into an infinite loop when php errors are disabled and an invalid file is read.

3.1.4 (2014-03-30)

• Fixed: Issue #87: Several compatibility fixes related to timezone handling changes in PHP 5.5.10.

3.1.3 (2013-10-02)

• Fixed: Support from properties from draft-daboo-valarm-extensions-04. Issue #56.
• Fixed: Issue #54. Parsing a stream of multiple vcards separated by more than one newline. Thanks @Vedmak for the patch.
• Fixed: Serializing vcard 2.1 parameters with no name caused a literal '1' to be inserted.
• Added: VCardConverter removed properties that are no longer supported in vCard 4.0.
• Added: vCards with a minimum number of values (such as N), but don't have that many, are now automatically padded with empty components.
• Added: The vCard validator now also checks for a minimum number of components, and has the ability to repair these.
• Added: Some support for vCard 2.1 in the VCard converter, to upgrade to vCard 3.0 or 4.0.
• Fixed: Issue 60 Use Document::$componentMap when instantiating the top-level VCalendar and VCard components.
• Fixed: Issue 62: Parsing iCalendar parameters with no value.
• Added: --forgiving option to vobject utility.
• Fixed: Compound properties such as ADR were not correctly split up in vCard 2.1 quoted printable-encoded properties.
• Fixed: Issue 64: Encoding of binary properties of converted vCards. Thanks @DominikTo for the patch.

3.1.2 (2013-08-13)

• Fixed: Setting correct property group on VCard conversion

3.1.1 (2013-08-02)

• Fixed: Issue #53. A regression in RecurrenceIterator.

3.1.0 (2013-07-27)

• Added: bad-ass new cli debugging utility (in bin/vobject).
• Added: jCal and jCard parser.
• Fixed: URI properties should not escape ; and ,.
• Fixed: VCard 4 documents now correctly use URI as a default value-type for PHOTO and others. BINARY no longer exists in vCard 4.
• Added: Utility to convert between 2.1, 3.0 and 4.0 vCards.
• Added: You can now add() multiple parameters to a property in one call.
• Added: Parameter::has() for easily checking if a parameter value exists.
• Added: VCard::preferred() to find a preferred email, phone number, etc for a contact.
• Changed: All $duration properties are now public.
• Added: A few validators for iCalendar documents.
• Fixed: Issue #50. RecurrenceIterator gives incorrect result when exception events are out of order in the iCalendar file.
• Fixed: Issue #48. Overridden events in the recurrence iterator that were past the UNTIL date were ignored.
• Added: getDuration for DURATION values such as TRIGGER. Thanks to @SimonSimCity.
• Fixed: Issue #52. vCard 2.1 parameters with no name may lose values if there's more than 1. Thanks to @Vedmak.

3.0.0 (2013-06-21)

• Fixed: includes.php file was still broken. Our tool to generate it had some bugs.

3.0.0-beta4 (2013-06-21)

• Fixed: includes.php was no longer up to date.

3.0.0-beta3 (2013-06-17)

• Added: OPTION_FORGIVING now also allows slashes in property names.
• Fixed: DateTimeParser no longer fails on dates with years < 1000 & > 4999
• Fixed: Issue 36: Workaround for the recurrenceiterator and caldav events with a missing base event.
• Fixed: jCard encoding of TIME properties.
• Fixed: jCal encoding of REQUEST-STATUS, GEO and PERIOD values.

3.0.0-beta2 (2013-06-10)

• Fixed: Corrected includes.php file.
• Fixed: vCard date-time parser supported extended-format dates as well.
• Changed: Properties have been moved to an ICalendar or VCard directory.
• Fixed: Couldn't parse vCard 3 extended format dates and times.
• Fixed: Couldn't export jCard DATE values correctly.
• Fixed: Recursive loop in ICalendar\DateTime property.

3.0.0-beta1 (2013-06-07)

• Added: jsonSerialize() for creating jCal and jCard documents.
• Added: helper method to parse vCard dates and times.
• Added: Specialized classes for FLOAT, LANGUAGE-TAG, TIME, TIMESTAMP, DATE-AND-OR-TIME, CAL-ADDRESS, UNKNOWN and UTC-OFFSET properties.
• Removed: CommaSeparatedText property. Now included into Text.
• Fixed: Multiple parameters with the same name are now correctly encoded.
• Fixed: Parameter values containing a comma are now enclosed in double-quotes.
• Fixed: Iterating parameter values should now fully work as expected.
• Fixed: Support for vCard 2.1 nameless parameters.
• Changed: $valueMap, $componentMap and $propertyMap now all use fully-qualified class names, so they are actually overridable.
• Fixed: Updating DATE-TIME to DATE values now behaves like expected.

3.0.0-alpha4 (2013-05-31)

• Added: It's now possible to send parser options to the splitter classes.
• Added: A few tweaks to improve component and property creation.

3.0.0-alpha3 (2013-05-13)

• Changed: propertyMap, valueMap and componentMap are now static properties.
• Changed: Component::remove() will throw an exception when trying to a node that's not a child of said component.
• Added: Splitter objects are now faster, line numbers are accurately reported and use less memory.
• Added: MimeDir parser can now continue parsing with the same stream buffer.
• Fixed: vobjectvalidate.php is operational again.
• Fixed: \r is properly stripped in text values.
• Fixed: QUOTED-PRINTABLE is now correctly encoded as well as encoded, for vCards 2.1.
• Fixed: Parser assumes vCard 2.1, if no version was supplied.

3.0.0-alpha2 (2013-05-22)

• Fixed: vCard URL properties were referencing a non-existant class.

3.0.0-alpha1 (2013-05-21)

• Fixed: Now correctly dealing with escaping of properties. This solves the problem with double-backslashes where they don't belong.
• Added: Easy support for properties with more than one value, using setParts and getParts.
• Added: Support for broken 2.1 vCards produced by microsoft.
• Added: Automatically decoding quoted-printable values.
• Added: Automatically decoding base64 values.
• Added: Decoding RFC6868 parameter values (uses ^ as an escape character).
• Added: Fancy new MimeDir parser that can also parse streams.
• Added: Automatically mapping many, many properties to a property-class with specialized API's.
• Added: remove() method for easily removing properties and sub-components components.
• Changed: Components, Properties and Parameters can no longer be created with Component::create, Property::create and Parameter::create. They must instead be created through the root component. (A VCalendar or VCard object).
• Changed: API for DateTime properties has slightly changed.
• Changed: the ->value property is now protected everywhere. Use getParts() and getValue() instead.
• BC Break: No support for mac newlines (\r). Never came across these anyway.
• Added: add() method to the Property class.
• Added: It's now possible to easy set multi-value properties as arrays.
• Added: When setting date-time properties you can just pass PHP's DateTime object.
• Added: New components automatically get a bunch of default properties, such as VERSION and CALSCALE.
• Added: You can add new sub-components much quicker with the magic setters, and add() method.

2.1.7 (2015-01-21)

• Fixed: Issue #94, a workaround for bad escaping of ; and , in compound properties. It's not a full solution, but it's an improvement for those stuck in the 2.1 versions.

2.1.6 (2014-12-10)

• Fixed: Minor change to make sure that unittests succeed on every PHP version.

2.1.5 (2014-06-03)

• Fixed: #94: Better parameter escaping.
• Changed: Documentation cleanups.

2.1.4 (2014-03-30)

• Fixed: Issue #87: Several compatibility fixes related to timezone handling changes in PHP 5.5.10.

2.1.3 (2013-10-02)

• Fixed: Issue #55. \r must be stripped from property values.
• Fixed: Issue #65. Putting quotes around parameter values that contain a colon.

2.1.2 (2013-08-02)

• Fixed: Issue #53. A regression in RecurrenceIterator.

2.1.1 (2013-07-27)

• Fixed: Issue #50. RecurrenceIterator gives incorrect result when exception events are out of order in the iCalendar file.
• Fixed: Issue #48. Overridden events in the recurrence iterator that were past the UNTIL date were ignored.

2.1.0 (2013-06-17)

• This version is fully backwards compatible with 2.0.*. However, it contains a few new API's that mimic the VObject 3 API. This allows it to be used a 'bridge' version. Specifically, this new version exists so SabreDAV 1.7 and 1.8 can run with both the 2 and 3 versions of this library.
• Added: Property\DateTime::hasTime().
• Added: Property\MultiDateTime::hasTime().
• Added: Property::getValue().
• Added: Document class.
• Added: Document::createComponent and Document::createProperty.
• Added: Parameter::getValue().

2.0.7 (2013-03-05)

• Fixed: Microsoft re-uses their magic numbers for different timezones, specifically id 2 for both Sarajevo and Lisbon). A workaround was added to deal with this.

2.0.6 (2013-02-17)

• Fixed: The reader now properly parses parameters without a value.

2.0.5 (2012-11-05)

• Fixed: The FreeBusyGenerator is now properly using the factory methods for creation of components and properties.

2.0.4 (2012-11-02)

• Added: Known Lotus Notes / Domino timezone id's.

2.0.3 (2012-10-29)

• Added: Support for 'GMT+????' format in TZID's.
• Added: Support for formats like SystemV/EST5EDT in TZID's.
• Fixed: RecurrenceIterator now repairs recurrence rules where UNTIL < DTSTART.
• Added: Support for BYHOUR in FREQ=DAILY (@hollodk).
• Added: Support for BYHOUR and BYDAY in FREQ=WEEKLY.

2.0.2 (2012-10-06)

• Added: includes.php file, to load the entire library in one go.
• Fixed: A problem with determining alarm triggers for TODO's.

2.0.1 (2012-09-22)

• Removed: Element class. It wasn't used.
• Added: Basic validation and repair methods for broken input data.
• Fixed: RecurrenceIterator could infinitely loop when an INTERVAL of 0 was specified.
• Added: A cli script that can validate and automatically repair vcards and iCalendar objects.
• Added: A new 'Compound' property, that can automatically split up parts for properties such as N, ADR, ORG and CATEGORIES.
• Added: Splitter classes, that can split up large objects (such as exports) into individual objects (thanks @DominikTo and @armin-hackmann).
• Added: VFREEBUSY component, which allows easily checking wether timeslots are available.
• Added: The Reader class now has a 'FORGIVING' option, which allows it to parse properties with incorrect characters in the name (at this time, it just allows underscores).
• Added: Also added the 'IGNORE_INVALID_LINES' option, to completely disregard any invalid lines.
• Fixed: A bug in Windows timezone-id mappings for times created in Greenlands timezone (sorry Greenlanders! I do care!).
• Fixed: DTEND was not generated correctly for VFREEBUSY reports.
• Fixed: Parser is at least 25% faster with real-world data.

2.0.0 (2012-08-08)

• VObject is now a separate project from SabreDAV. See the SabreDAV changelog for version information before 2.0.
• New: VObject library now uses PHP 5.3 namespaces.
• New: It's possible to specify lists of parameters when constructing properties.
• New: made it easier to construct the FreeBusyGenerator.