Changelog
=========

1.9.3 (July 31, 2026)
---------------------
- Fix: Fix event type linking

1.9.2 (July 16, 2026)
---------------------
- Fix: CalDAV sync was intercepted by the core user gates (e.g. 2FA) for affected users after the twofa module moved to the gate system — the CalDAV controller now runs without a session, so the gates treat it as a stateless API request and leave the sync untouched (replaces the removed `twofa.beforeCheck` opt-out)

1.9.1 (July 8, 2026)
--------------------
- Enh #702: Add aria-label attribute for icon-only buttons

1.9.0 (June 5, 2026)
--------------------
- Fix: HumHub 1.19 Activity Handling
- Enh #673: Remove deprecations

1.8.16 (July 17, 2026)
----------------------
- Enh #708: Replace calendar filter checkboxes with dropdowns, Add new filter "Entire network"

1.8.15 (June 18, 2026)
----------------------
- Enh: Automated code refactoring for HumHub 1.18.0-beta.6 using Rector
- Fix #689: Fix calendar defaults and recurring visibility
- Fix: Make m250603_194724_export_jwt_key migration resilient when module is not bootstrapped
- Enh #700: Participation link for online event

1.8.14 (May 21, 2026)
---------------------
- Enh #694: Fix participant state editing

1.8.13 (May 15, 2026)
---------------------
- Enh #688: Hide other calendar items when filtering by type
- Fix #691: Yii2 2.0.55 compatibility
- Enh: Automated code refactoring for HumHub 1.18.0-beta.6 using Rector

1.8.12 (May 3, 2026)
--------------------
- Enh #679: Remove deprecations
- Enh #683: Added single event link to ICS export
- Fix #686: Submit calendar type filter changes
- Fix #685: Handle invalid recurrence ids

1.8.11 (March 2, 2026)
----------------------

> This release also fixes a [security](https://github.com/humhub/calendar/security/advisories/GHSA-gqj3-pmp2-mrx8) issue.

- Fix #674: Fix asset bundle
- Fix: HTML Encoding of Event Types


1.8.10 (January 8, 2026)
------------------------
- Fix #654: Fix tests
- Fix #655: Fix `Attending` Filter for `Recurring` Events
- Fix #656: Use `MailStyleHelper` for safe email inline styling
- Fix #662: Participants pagination
- Fix #660: Missing "Collapse" item in the Dashboard widget sub-menu
- Fix #663: Fixed locale issues in Mail Summary
- Fix #667: Compatibility with HumHub 1.18-beta.6
- Enh #651: Use core `ScssHelper::getColorContrast()`

1.8.8 (1 December, 2025)
------------------------
- Enh #645: Convert swagger docs to OpenAPI 3.0
- Fix #647: Fix birthday date on CalDAV sync
- Fix #648: Fix event update on CalDAV sync
- Enh #650: Added CalDAV sync events

1.8.7 (November 18, 2025)
-------------------------
- Fix #640: Fixed `PARTSTAT` for ics

1.8.6 (November 12, 2025)
-------------------------
- Fix #635: Fixed duplicated export links 
- Enh: In the calendar, auto-contrast the text color from the event Type color
- Fix #639: Fix duplicated entries in `Upcoming Events` widget

1.8.5 (October 28, 2025)
------------------------
- Fix #630: Fix sidebar widget issue

1.8.4 (October 23, 2025)
------------------------
- Fix #609: Fix for PHP 8.4
- Fix #621: Implemented `module-coding-standards`
- Fix #620: Fix CalendarQuery error

1.8.3 (October 9, 2025)
-----------------------
- Fix #594: Wall Entry Buttons Active #594
- Fix #595: Participants Filter styling
- Fix #598: Misaligned calendar filter "Select calendars" on mobile view  
- Fix #599: Fixed ics export for recurring events
- Enh #602: Add Filter toggle button
- Enh #604: Improved Module Test GitHub Actions

1.8.2 (September 11, 2025)
--------------------------
- Fix #591: Fix RuntimeException in caldav sync
- Enh #590: Do not specify calendar name on single event export ics

1.8.1 (September 10, 2025)
--------------------------
- Fix #589: Fixed syntax error in view

1.8.0 (August 27, 2025)
-----------------------
- Fix #481: Update module resources path
- Enh #549: Migration to Bootstrap 5 for HumHub 1.18
- Enh #378: Use new content state service

1.7.21 (October 28, 2025)
-------------------------
- Fix #629: Fix sidebar widget issue

1.7.20 (October 20, 2025)
-------------------------
- Enh #608: Improved `Upcoming events` widget to include events from followed spaces and profiles
- Enh #618: Fixed a PHP error that occurred while fetching `organizer` of `Recurrence item`

1.7.19 (September 26, 2025)
---------------------------
- Enh #603: Fixed ics export for recurring events

1.7.18 (September 19, 2025)
--------------------------
- Enh #597: Split participant export privacy option checkbox into two checkboxes

1.7.17 (September 11, 2025)
--------------------------
- Fix #591: Fix RuntimeException in caldav sync
- Enh #590: Do not specify calendar name on single event export ics

1.7.16 (September 4, 2025)
--------------------------
- Enh #587: Log model validation errors in caldav backend

1.7.15 (September 1, 2025)
--------------------------
- ENH #585: Add profile title field to participants export (CSV/XLSX) 

1.7.14 (August 21, 2025)
------------------------
- Fix #573: Fix time zone for anonymous users
- Fix #576: Fix Google Calendar hiding private events during iCal import

1.7.13 (August 6, 2025)
-----------------------
- Fix #572: Fix CSP Violation in `fullcalendar.bundle.min.css`

1.7.12 (August 5, 2025)
-----------------------
- Enh #558: ICS Import on Android

1.7.11 (July 30, 2025)
----------------------
- Fix #570: Fix extension for module "Custom Pages"

1.7.10 (July 21, 2025)
---------------------
- Enh #569: Make list view type configurable

1.7.9 (July 12, 2025)
---------------------
- fix #566: Fix caldav birthday event sync
- Fix #565: Fix caldav `Copy to clipboard`

1.7.8 (July 11, 2025)
---------------------
- Security: Versions between 1.7.7 - 1.7.5 displayed participants' email addresses in ICS files without the enabled “Expose User Data” option.
- Enh #557: Use content ID in the "Custom Pages" extension
- Enh #562: Add JWT token for caldav password
- Enh #557: Use content ID in the `Custom Pages` extension
- Enh #561: Add calendar name for `ical`
- Fix #559: Email Notification subjects HTML encoded
- Enh #564: Fix "Expose User Data" option

1.7.7 (June 30, 2025)
---------------------
- Enh #550: Update custom pages extension for new template variables

1.7.6 (June 25, 2025)
---------------------
- Fix #555: Fixed JWT version conflict with core version

1.7.5 (June 23, 2025)
-----------------------
- Enh #541: Added native export features via ICal and CalDav

1.7.4 (May 12, 2025)
--------------------
- Enh #542: Add filters for template element of the custom pages module

1.7.3 (February 25, 2025)
-------------------------
- Enh #537: Implement template element for custom pages
- Enh #538: Fix deletion of recurrent calendar entry from wall stream

1.7.2 (January 28, 2025)
------------------------
- Fix #525: Fix Space calendar header
- Enh #526: New event from the global calendar: display "Select space..." or "Select calendar..." prompt instead of first Space
- Enh #528: Show the "Filter by types" filter only if a list a type is available
- Fix #523: Global calendar: display the "My profile" filter only when the module is enabled in for the User account
- Enh #514: Replace the view modes listWeek and listYear with listMonth
- Enh #532: Update event color when category is unselected

1.7.1 (January 17, 2025)
------------------------
- Fix #521: Fix global calendar url

1.7.0 (January 14, 2025)
------------------------
- Fix #509: Fix event type visibility
- Enh #512: Surround the widget wall entry links with a dedicated HTML class
- Enh #516: Improved calendar page URLs
- Fix #519: Fix issue where `IntlDateFormatter::parse()` failed to parse Bulgarian dates.
- Fix #520: Fix global calendar url when prettyUrl is disabled 
- Enh #502: Replace theme variables with CSS variables
- Enh #504: Update Active Form for Bootstrap 5
- Enh #508: Reduce translation message categories

1.6.3 (August 23, 2024)
-----------------------
- Fix #477: Hide the settings button when module is not available for a container
- Enh #466: Fix period selector on default reminder settings
- Fix: Add autofocus on event edit and event type edit (for HumHub 1.17 - see https://github.com/humhub/humhub/issues/7136)
- Fix #500: Fix notification message about updated event

1.6.2 (July 16, 2024)
---------------------
- Enh #495: Fix column `exdate` to delete more than 16 recurrence event entries

1.6.1 (July 3, 2024)
--------------------
- Enh: Updated translations

1.6.0 (July 1, 2024)
--------------------
- Enh #489: Use PHP CS Fixer
- Enh #492: Add colors for event types in pickers

1.5.12 (June 25, 2024)
----------------------
- Fix #487: Base event notification broken

1.5.11 (June 24, 2024)
----------------------
- Enh #473: Add footer to global calendar
- Fix #474: Fix checking for past event when it is created from different time zone
- Fix #478: Revert missed controls on space calendar
- Enh #484: New notification when user marks "Attend" and attach ICS files
- Enh #486: Clearer and consistent wording

1.5.10 (March 19, 2024)
-----------------------
- Fix #470: Fix obsolete notifications

1.5.9 (March 14, 2024)
----------------------
- Fix #443: Fix email subject on invite/add users
- Fix #447: Global calendar header redesign
- Enh #440: Extend list of fields for updating of sequence
- Fix #453: Profile Calendar not available when adding an event from the global Calendar when the module is enabled in the profile
- Enh #457: Strikethrough cancelled events in calendar view
- Enh #460: Add cancelled status in ICS files
- Fix #402: Fix layout after change page of participants list
- Fix #469: Space configuration checks permissions insufficiently

1.5.8 (January 19, 2024)
------------------------
- Fix #437: Hide the profile calendar if the module is not available for users
- Fix #439: Attach ICS files to "forced invites"
  -Fix #441: Send event update notification to invitees
- Fix #434: Fix adding of all space members with status

1.5.7 (January 12, 2024)
------------------------
- Fix #433: Fix memory usage on integrity check
- Enh #435: Attach ICS file to invitation email

1.5.6 (October 26, 2023)
--------------------------
- Enh #429: Add additional data to participant export

1.5.4 (October 5, 2023)
-------------------------
- Enh #424: Tests for `next` version
- Enh #423: Add Create Button
- Fix #419: Don't use loader for wall entry menu on open modal window
- Enh #379: Allow managing of global event types from container side
- Enh #382: Allow inviting by users who can manage a calendar entry

1.5.3 (September 14, 2023)
--------------------------
- Enh #415: Fix recurring event visibility on stream
- Fix #380: Fix visibility of last recurring event with defined end date
- Enh #403: Export participants

1.5.2 (August 11, 2023)
-----------------------
- Enh #405: Improve UI of create/edit form on mobile
- Fix #404: Invite notification - Empty block
- Fix #409: Fix autocorrector of the time inputs
- Fix #408: Invite only users who can read the event

1.5.1  (July 16, 2023)
----------------------
- Enh #376: Added support for hidden tasks in stream
- Enh #387: Add title and description in Open Graph description on event pages
- Enh #394: If the location is an URL, convert it to a clickable link
- Enh #393: Automatically Update end time
- Fix #400: When language is set to dutch attendees aren't shown properly

1.5.0  (May 1, 2023)
--------------------
- Enh #365: Use CSS theme var `--background-color-highlight` for today
- Fix #368: Fixed ignoring of `all-day` param in REST
- Fix #375: Hard delete records on disable module

1.4.0  (December 29, 2022)
--------------------------
- Enh #341: Don't invite disabled users
- Fix #345: Fix event creating on PHP 8.1+
- Fix #344: Fix click event on calendar cell without create permission
- Fix #323: Menu configuration
- Enh #333: Implement status selector for adding all space members

1.4.0-beta.1  (November 7, 2022)
--------------------------------
- Enh #331: Implemented new HumHub v1.13 Content Form Support

1.3.0 (November 7, 2022)
------------------------
- Enh #328: Remove deprecated checkbox "regular" style
- Fix #327: Don't send notifications for canceled event
- Fix #334: Fix null in DateTime on PHP 8.1
- Fix #340: Translation of "Delete" message string

1.2.5 (July 15, 2022)
--------------------
- Fix #315: Fix participants list settings visibility
- Fix #316: Fix invitation of space members
- Enh #261: Filter by event types
- Enh #312: Show tooltip for locked past events
- Enh #324: Use `RichTextToEmailHtmlConverter` class to convert text to HTML

1.2.3 (May 30, 2022)
--------------------
- Fix #306: Fix disappearing of first event of recurring series
- Fix #302: Fix visibility of tabs "Reminder" and "Recurring" for single recurrence event
- Fix #300: Fix default reminders for new creating calendar entry
- Fix #313: Reload stream entry after save "Participants" modal

1.2.2 (May 6, 2022)
-------------------
- Fix #291: Fix default event length on month mode
- Fix #287: Export recurring calendar entries
- Enh #272: Add minutely reminders
- Fix #294: Fix status on inviting of all space members
- Enh #285: Full calendar: in the global settings, add the possibility to change the default view

1.2.1 (May 3, 2022)
----------------------
- Fix #283: Increase Location field max. length to 128 characters
- Enh #269: Add Close Button to Calendar Entry Modal
- Enh: Updated translations

1.2.0 (April 15, 2022)
----------------------
- Enh #263: Added new participation option "Only by Invite"
- Enh #263: Various UI improvements
- Enh #263: Added participation edit dialog
- Enh: Use default timezone instead of deprecated server timezone
- Fix #241: Fix filter "I'm attending" for recurrence events
- Fix #276: Fix saving time when system date is transition to daylight
- Enh #282: Allow update content topics on REST API

1.1.11 (February 23, 2022)
--------------------------
- Fix #114: PHP8 - Deprecate required parameters after optional parameters
- Fix #244: CLI error when no REST module is installed
- Fix #246: Fix error displaying of empty date fields
- Enh #187: Possibility to disable participation activities in the mail summary
- Enh #5274: Deprecate CompatModuleManager
- Fix #254: Fix wall stream entry icons color
- Fix #260: In the calendar view, "Day" button is not translated with Humhub's messages
- Enh #265: Disable to change participant status when event is over
- Fix #233: Fix recurrence events visibility in snippet

1.1.10  (April 14, 2021)
----------------------
- Fix: Todays Birthday not shown in Dashboard Snippet when Interval is one year

1.1.8  (April 8, 2021)
----------------------
- Fix #221: Fix call of console commands when REST API module doesn't exist

1.1.7 (April 7, 2021)
---------------------
- Enh: Added module snippet configuration "Include birthdays to dashboard snippet"
- Enh #218: Change snippet default sort
- Enh #235: Added REST API Module Support

1.1.6 (February 22, 2021)
---------------------
- Fix: Birthdays can not be exported
- Fix: Prevent vevent duplicates in export

1.1.5 (February 18, 2021)
---------------------
- Fix #226: Calendar Reminder Query for space entry `PARTICIPATION_MODE_ALL` should only include participants
- Fix #226: Calendar Reminder Query for user entry `PARTICIPATION_MODE_ALL` did not include user itself

1.1.4 (February 5, 2021)
---------------------
- Fix #217: Monthly recurrence rule text on fifth week of the month not working
- Enh: Added monthly recurrence setting "Monthly on last <day>"
- Fix: Date picker udpate does not update monthly rule selection text
- Enh: Updating start date input will update end date value if end < start (and vice versa)
- Enh: Updated translations
- Fix #224: Hide space with disabled module on chooser modal window

1.1.3 (November 3, 2020)
---------------------
- Fix: Remember Global calendar filter in user settings not working

1.1.2 (November 3, 2020)
---------------------
- Fix: Only render file preview section of recurrent root event if files exists
- Chng: Remove default profile/space filter from global calendar
- Fix: Reminder process fails due to missing join in AbstractCalendarQuery

1.1.1 (November 2, 2020)
---------------------
- Fix #210: Birthday calendar entry does not link to user profile
- Fix: FullCalendar calls `getIcon()` on entry instead of event type
- Enh: Mark canceled events in "Upcoming events" snippet
- Enh: Reworked calendar wall entry view
- Fix #213: Calendar entry editing in stream not working
- Fix #211: Unable to move event to another space
- Fix #188: Topic label not translatable
- Fix #166: Archived events are not excluded from the calendar
- Fix #99: Users with participation state maybe can attend to events with exceeded max participation count

1.1.0 (November 2, 2020)
---------------------
- Enh #208: Wall Stream Layout Migration (HumHub 1.7+)

1.0.13 (October 16, 2020)
---------------------
- Enh: New attribute “Location” for calendar entry
- Fix #198: Recurrence & max. Participants not checked #198

1.0.12 (July 31, 2020)
---------------------
- Fix #186: Make ICS Organizer field optional
- Fix #189: Missing public content visibility permission check on calendar entry form
- Chg: Removed `RecurrenceQueryIF::getExistingRecurrences()` since it is not in use anymore
- Fix: `AbstractRecurrenceQuery::findRecurrenceInstances()` did not include recurrences overlapping the search interval
- Fix #193: Recurrence instance duplicates created by reminder process
- Fix: Block `CalendarEntryParticipation::canRespond()` on recurrent root events
- Chg: Switched edit/delete order in wallentry context menu
- Chg: Prevent stream entry generation for recurrent root event
- Enh: Added integrity check for duplicated recurrence instances

1.0.11 (May 06, 2020)
---------------------
- Fix #176: Files are not attached on calendar entry creation

1.0.10 (May 05, 2020)
---------------------
- Fix #178: Overflow issue in ee theme
- Enh: Use of different aspect ratio for fluid themes
- Enh: Added `aspectRatio` option to `FullCalendar` widget
- Chng: Update HumHub min version to v1.4
- Fix: Calendar buttons and loader render issue on mobile
- Enh: Minified calendar.css stylesheet

1.0.9 (April 20, 2020)
---------------------
- Fix #178: Calendar settings button only visible for system admin

1.0.8 (April 09, 2020)
---------------------
- Enh: Added 1.5 defer compatibility
- Fix: load-ajax does not use `X-Requested-With	XMLHttpRequest` header
- Fix: Global calendar does not use strict access for guest users

1.0.7 (March 26, 2020)
---------------------
- Chng: Updated grunt version to 1.1.0
- Chng: More stable event error handling
- Fix #167: Can not remove calendar type, once a calendar type is set
- Fix #173: Event cannot be moved to another Space
- Fix #175: Implemented fallback for failed `calendar_entry_participant` user foreign key
- Fix: Calendar permissions displayed on container without calendar module installed (https://github.com/humhub/humhub/issues/3828)

1.0.6 (March 4, 2020)
---------------------
- Fix: Forbidden create entry attempts should result in 403 instead of Internal server error
- Fix #174: Spelling in calendar settings of german translation
- Enh: Updated translations

1.0.5 (February 17, 2020)
------------------------
- Fix: recurrence_id unique index too long

1.0.4 (February 5, 2020)
------------------------
- Enh: Updated translations

1.0.3 (January, 17, 2020)
-----------------------
- Fix: container based calendar type updates overwrite global defaults
- Fix: Default weekly recurrence day not based on initial start date
- Enh #42: Use space color as default entry color
- Enh #95: Make default color of calendar events configurable
- Chng: Renamed `Other calendars` section to `Calendars` section, since default events are configurable now
- Enh: Use of grunt to minify and concat assets
- Chng: `CalendarService::getCalendarItemTypes()` now includes `CalendarEntryType`

1.0.2 (January, 16, 2020)
-----------------------
- Fix: fullcalendar load url fails when using url rewrite

1.0.1 (January, 16, 2020)
-----------------------
- Fix: Change default viewMode of legacy interface to `redirect`

1.0.0 (January, 16, 2020)
-----------------------
- Chng: Switched from array based interfaces to real interfaces
- Enh: Reminder support with reminder interface `CalendarEventReminderIF`
- Enh: Introduction of new `CalendarEventParticipationIF`
- Enh: Support of recurring events with recurring `RecurrentEventIF`
- Chng: Introduced `FullCalendarEventIF` for additional event view settings
- Fix #161: Error when accessing global configuration, in case the module is not enabled on profile level
- Chng: Use of `helpers/Url` class
- Fix #106: Issues with time validation in swedish and greek locale
- Chng: Omitted timezone translation on all day events
- Enh: Omit timezone information on all day events
- Enh: Enhanced ICal export format
- Fix #18: Incorrect Phrasing of Strings
- Chng: Updated to fullcalendar v4
- Enh: Added fullcalendar list view
- Enh: translatable calendar view buttons
- Enh: Enhanced mobile calendar view
- Chng: Switch from inclusive to exclusive end date (23:59:59) on all day events
- Fix #117: Date selection accepts invalid user input
- Fix #155: AbstractCalendarQuery does not include events spanning over the search interval
- Fix #78: Add date information to response activity
- Enh #165: Improved mail html and text views

0.7.5 (October 16, 2019)
-----------------------
- Fix: ExternalCalendarEntryQuery with either only start or only end not fails

0.7.4 (October 16, 2019)
-----------------------
- Enh: Translation update

0.7.3 (August 28, 2019)
-----------------------
- Fix: My events filter not working

0.7.2 (August 22, 2019)
-----------------------
- Fix: `VCalendar::withEvents()` broken

0.7.1 (August 22, 2019)
-----------------------
- Fix: Issue with PHP < 7 use of incompatible sabre/xml version

0.7 (August 22, 2019)
-----------------------
- Enh: Added `humhub\modules\calendar\widgets\CalendarControls` stacked menu in full calendar view
- Chng: Added VObject dependency for ICS handling (dev-master see https://github.com/sabre-io/vobject/issues/448)
- Enh: Added `uid` field and auto UID creation in AbstractCalendarQuery
- Fix: Fixed encoding issue in space selection dropdown
- Fix: Space selection dropdown does not respect default module installation
- Fix #156: Upcoming events includes events already finished today
- Enh: Added `CalendarUtils::getUserTimeZone()`
- Enh: Added `AbstractCalendarQuery::expand` flag and  `AbstractCalendarQuery::expand()` for calendars with event expansion possibility
- Enh: Added `CalendarItemsEvent::expand` flag in order to query unexpanded or expanded event results
- Chng: Added `getRRule()`, `getExdate()`, 'getLocation()', 'getDescription()' to `interface\CalendarItem` interface
- Enh: Added rounded top border to global calendar view
- Chng: Updated min version to 1.3.14

0.6.23 (November 27, 2018)
-----------------------
- Enh: Use of new richtext
- Fix: Participation info label not translatable

0.6.22 (November 27, 2018)
-----------------------
- Fix: Hide permissions for space guest role

0.6.21 (November 14, 2018)
-----------------------
- Fix: Same day events displaying wrong output date format

0.6.20 (September 17, 2018)
-----------------------
- Enh: Added time information to force participation mail
- Enh: Updated Translations

0.6.19 (September 04, 2018)
-----------------------
- Fix: Other calendar configuration view not working

0.6.18 (August 23, 2018)
-----------------------
- Enh: Added topic picker to edit form
- Enh: Added "Add all space members to event" feature
- Enh: Added calendar event title
- Fix: encoding issue in calendar view
- Chg: Min HumHub version 1.3
- Fix: Canceled event missing event title
- Enh: Added move feature for HumHub >= 1.3.2
- Fix: Global calendar types in space in space edit view

0.6.17  (July 4, 2018)
-----------------------
- Chg: Added HumHub 1.3 compatibility (new space module handling)

0.6.16  (July 2, 2018)
-----------------------
- Chg: PHP 7.2 compatibility fixes

0.6.15  (May 29, 2018)
-----------------------
- Fix: Added missing "readable" filter in calendar view

0.6.14  (May 11, 2018)
-----------------------
- Fix: Wrong translation text category for "Delete" link

0.6.13  (May 08, 2018)
-----------------------
- Fix: Wrong translation text category for "Cancel event"
- Enh: Updated translations

0.6.12  (April 27, 2018)
-----------------------
- Fix: Removed FilterNotSupported error log

0.6.11  (April 18, 2018)
-----------------------
- Fix: Calendar ics export timezone issue

0.6.10  (April 18, 2018)
-----------------------
- Fix: Birthday calendar shows non visible users

0.6.9  (April 17, 2018)
-----------------------
- Fix: Birthday calendar fixes
- Enh: Added BirthdayQuery tests

0.6.8  (April 17, 2018)
-----------------------
- Fix: Birthday calendar query

0.6.6  (April 13, 2018)
-----------------------
- Enh: Updated translations

0.6.5 - (April 13, 2018)
------------------------
- Fix: Calendar Interface `allDay` events not working (staxDB)
- Fix: Show upcoming event snippet setting ignored (staxDB)
- Fix: Upcoming event snippet sorting (staxDB)
- Enh: Updated fullcalendar.js to v3.9.0
- Enh: Added event icons
- Enh: Added birthdays to calendar
- Enh: Guest support for Upcoming events widget
- Enh: Added `AbstractCalendarQuery::filterGuests()` to support a guest view of the upcoming events snippet
- Enh: Added `AbstractCalendarQuery::filterDashboard()` to enable a custom filter for the upcoming events dashboard snippet
- Enh: Added ICS export of single events (ASBaj)

0.6.4
-----
- Fix: Minor Grammar fixes (@Felli)
- Enh: Cleanup, remove optional part of parameter (@kristianlm)
- Fix: Fixed typo (@acs-ferreira)
- Fix: Cancel event deletion not working
- Fix #114: Markdown file upload not attaching files

0.6.3 - 27.10.2017
------------------
- Fix: Delete of global calendar types not working
- Fix #38: Added `calendar_entry_participant` user foreign key
- Fix #66: Only show Participation Badge if participation is allowed

0.6.2 - 20.10.2017
------------------
- Fix #84: Files are not attached to new calendar entries
- Fix #91: Participants can't change state if max participant number is reached

0.6.1 - 21.09.2017
------------------
- Fix: Timezone display issue for all day events
- Enh: Added Calendar Interface for module interoperability
- Enh: Added Calendar Picker if creating events in global calendar
- Fix: Invalid translation keys

0.5.6 - 01.09.2017
------------------
- Fix: ICU 57.1 compatibility for time format HH.mm with whole day setting
- Fix: Drag updates in day/week view are not working
- Fix: Locale mapping between humhub and moment.js

0.5.4 - 08.08.2017
------------------
- Fix: ICU 57.1 compatibility for time format HH.mm

0.5.2 - 08.08.2017
------------------
- Enh: Added global Event Type setting
- Enh: Toggle participation state
- Fix: Rename close to canceled
- Enh: Send update participant info mail
- Fix: Change event type js error
- Fix: TimeZone edit not working correctly
- Fix: word break issue in wall entry

0.5
----
- Enh: Added timeZone setting in edit form
- Enh: Added TimePicker with locale based time format
- Enh: Seperation of CalendarEntryForm and CalendarEntry model
- Enh: Use user locale in fullCalendar
- Enh: Added richtext description
- Enh: Added global/space module config with default participation settings
- Enh: Enhanced usability
- Enh: Added file upload
- Enh: Added participation state restriction and participation info richtext
- Enh: Close event
- Enh: Max attandee setting

0.4.5 - 30.06.2017
------------------
- Enh: Enable global calendar for guests
- Fix: Hide follow filter if user following is disabled

0.4.4 - 06.06.2017
------------------
- Enh: Major refactoring
- Enh: Usability enhancements
- Enh: Modal based editing
- Enh: Added CalendarEntryQuery class to facilitate calendar entry queries
- Enh: Added Calendar colors
- Enh: Enhanced dashboard/space snippet
- Enh: Guest calendar access
- Enh: Added filter to space calendar
- Enh: Added calendar configuration
- Fix: Added is public translation
- Enh #17: Added ManageEntry permission for space members
