Version 1.0.2

Fix various NullPointerExceptions, crashes, bugs (hopefully not introducing more than fixed)

Version 1.0

* Completely new Material design User Interface with the possibility to edit your accounts inside the app
* In-app CardDAV/CalDAV collection management (create and delete collections on the server)
* Vastly improved resource detection (calendar-proxy-read/write-for, group memberships)
  - Refresh address books, calendars and task lists after setup!
* Performance boost: You can now limit synchronized events in the past (default: ignore events older than 90 days)
* Completely renewed logging subsystem (includes greatly improved logging to external storage)
* New settings:
  - Distrust previously accepted certificates
  - Show/Share debug info
* Automatic migration of your 0.9.x address book, calendars and task lists into the new collection management
* Lots of other bug fixes and improvements

Version 1.0 (Release Candidate 1)

* improved resource detection (calendar-proxy-read/write, member groups)
* show notifications on resource detection errors
* implement AboutActivity
* external logging: changed setting is broadcasted to all processes to take care of new value immediately
* logger: improved formatting
* settings: show debug info
* account settings: don't show (clear-text) password
* minor bug fixes and improvements

Note: Upgrading from 1.0-alpha or 1.0-beta is not possible. Uninstall DAVdroid first!

Version 0.9.1.3

* increase default timeouts because some servers are known to be very slow
* bug fix: process EXDATEs when there are no explicit exceptions
* bug fix: User-Agent string now contains build date instead of today's date
* libraries: new okhttp version

Version 0.9.1.2

* fixed bug where local tasks were deleted by mistake and disappeared
* debug info: send report inline up to 8000 characters, as attachment otherwise
* new upstream libraries
* minor improvements

Version 0.9.1.1

* resource detection: ignore 404 errors when trying context paths
* work around crash when edit field is changed while there is no acitivity (???!)
* dav4android: fix calendar-multiget request

Version 0.9.1:

* debug info dialog: various bug fixes and improvements
* external logging: various bug fixes and improvements
* contacts sync.: handle invalid photo URLs without host name
* calendar/tasks sync.: only overwrite collection name and color if data is actually provided by server
* events: always set HAS_ATTENDEE_DATA to 1, so that "attend: yes/no/maybe" is only shown for events with attendees
* basic support for non-persistent cookies (e.g. used by Horde for session tracking)
* other small improvements

Version 0.9.1-beta1

* CalendarSyncManager/TaskSyncManager: only set calendar name and color on sync when data is available
* ContactsSyncManager: gracefully handle photo URLs without host name
* logging bug fix: filter ":" and "/" from external log file names
* improved debug info dialog
* dav4android: small improvements
* ical4android: always set HAS_ATTENDEE_DATA to 1
* vcard4android: small fixes
* merge translations from Transifex

Version 0.9.0.4

* ical4android: treat empty-string task location and URL as null values
* vcard4android: ignore raw contact data without MIMETYPE
* gracefully ignore when server doesn't sent Content-Type in GET responses
* merge translations from Transifex
* v0.9.0.4-1: use publically accessible .gitmodules for F-Droid

Version 0.9.0.4:

* ContactsSyncManager: fall back to PROPFIND when REPORT addressbook-query returns 400, 403, 500 or 501
* ical4android: treat empty-string task location and URL as null values
* vcard4android: ignore raw contact data without MIMETYPE
* gracefully ignore when server doesn't sent Content-Type in GET responses
* merge translations from Transifex

Version 0.9:

* now uses dav4android for WebDAV/CalDAV/CardDAV - completely rewritten library
* now uses ical4android to access Android Calendar Provider and parse/generate iCalendar files - completely rewritten library
* now uses vcard4android to access Android Contacts Provider and parse/generate VCards - completely rewritten library
* now uses okhttp HTTP library, enables SPDY and HTTP/2
* now uses KXmlParser streaming parser instead of SimpleXML DOM parser (should be faster)
* improved resource detection at setup allows to add collections which are not auto-detectable
* shows verbose debug info/notification which can be shared on sync errors
* ability to log into external text files
* MemorizingTrustManager has been added to DAVdroid to allow bypassing the system CA verification (useful for self-signed certificates if you don't want to install them system-wide)
* should fix "Accounts not visible" in Sony/HTC stock firmware Contacts app (untested)
* v0.9.0.1 - v0.9.0.3 are important hot fixes

Version 0.8.4.1

* minor (crash) bug fixes
* updated translations

Version 0.8.4

* new ical4j version: updated time zone defintions
* improve handling of attendees and reminders of recurring event exceptions
* minor bug fixes and improvements

Version 0.8.3

* improved handling of attendees
* improved handling of recurring event exceptions
* improved handling of non-UTF-8 iCals/VCards
* ignores 403 Forbidden when uploading
* refactoring

* updates calendar/task list name and color on every sync
* improves handling of recurring events
* generates .ics file names without "@" by default to reduce encoding issues
* handles HTTP status 409 Conflict
* fixes various bugs
* various refactoring and improvements

Version 0.8.1

* support HTTP cookies (per session)
* bug fix: handle HTTP status code 409 correctly
* bug fix: don't upload tasks immediately after import
* bug fix: null value check in structured postal address
* bug fix: null value check in relations
* bug fix: null value check in Events.ORIGINAL_ALL_DAY
* bug fix: handle file names that are encoded URLs correctly
* library update: use ical4j/2.x instead of 1.x
* updated Czech translation (thanks to @svetlemodry)

Version 0.8.0 (-1 for some missing files for Fdroid)

* sync tasks (to-dos) with dmfs.org.tasks
* use calendar-query REPORT to fetch events/to-dos
* settings for tasks sync

Note for upgrading: If you want to sync tasks, "Tasks" app
(dmfs.org.tasks) must be installed BEFORE installing/upgrading
DAVdroid, otherwise DAVdroid won't get permission to access tasks.
Then, add your account again add select the task list(s) to synchronize.

Version 0.8.0

* sync tasks (to-dos) with dmfs.org.tasks
* use calendar-query REPORT to fetch events/to-dos
* settings for tasks sync

Note for upgrading: If you want to sync tasks, "Tasks" app
(dmfs.org.tasks) must be installed BEFORE installing/upgrading
DAVdroid, otherwise DAVdroid won't get permission to access tasks.
Then, add your account again add select the task list(s) to synchronize.

Version 0.7.7

* Dutch translation (thanks to @dehart)
* bug fixes (including fix for incorrect handling of all-day events)
* minor optimizations