diff --git a/dav/Changelog.txt b/dav/Changelog.txt
index a252673e1..90117b718 100644
--- a/dav/Changelog.txt
+++ b/dav/Changelog.txt
@@ -1,7 +1,9 @@
-v0.2.0-pre
+v0.2.0
 ======
-[FEATURE] Multiple private Calendars can be created.
+[FEATURE] Multiple private Calendars can be created. Each calendar can have its own default color; single events of a calendar can override this setting.
 [FEATURE] Support for recurring events.
+[FEATURE] ICS files can be imported to and exported from a calendar.
+[FEATURE] Notification by e-mail is supported.
 [COMPATIBILITY] When creating or updating an event using CalDAV, the etag is returned.
 
 v0.1.1
diff --git a/dav/common/dav_caldav_backend_private.inc.php b/dav/common/dav_caldav_backend_private.inc.php
index 6ca24c28e..5356280a4 100644
--- a/dav/common/dav_caldav_backend_private.inc.php
+++ b/dav/common/dav_caldav_backend_private.inc.php
@@ -34,7 +34,8 @@ class Sabre_CalDAV_Backend_Private extends Sabre_CalDAV_Backend_Common
 	 * @static
 	 * @return string
 	 */
-	public static function getBackendTypeName() {
+	public static function getBackendTypeName()
+	{
 		return t("Private Events");
 	}
 
@@ -110,9 +111,9 @@ class Sabre_CalDAV_Backend_Private extends Sabre_CalDAV_Backend_Common
 	 */
 	public function listItemsByRange($calendarId, $sd, $ed, $base_path)
 	{
-		$calendar = Sabre_CalDAV_Backend_Common::loadCalendarById($calendarId);
-		$von      = wdcal_php2MySqlTime($sd);
-		$bis      = wdcal_php2MySqlTime($ed);
+		$calendar       = Sabre_CalDAV_Backend_Common::loadCalendarById($calendarId);
+		$von            = wdcal_php2MySqlTime($sd);
+		$bis            = wdcal_php2MySqlTime($ed);
 		$timezoneOffset = date("P");
 
 		// @TODO Events, die früher angefangen haben, aber noch andauern
@@ -166,12 +167,17 @@ class Sabre_CalDAV_Backend_Private extends Sabre_CalDAV_Backend_Common
 			if (!isset($cal["uri"])) throw new DAVVersionMismatchException();
 			if (in_array($cal["uri"], $GLOBALS["CALDAV_PRIVATE_SYSTEM_CALENDARS"])) continue;
 
+			$components = array();
+			if ($cal["has_vevent"]) $components[] = "VEVENT";
+			if ($cal["has_vtodo"]) $components[] = "VTODO";
+
 			$dat = array(
-				"id"                                                      => $cal["id"],
-				"uri"                                                     => $cal["uri"],
-				"principaluri"                                            => $principalUri,
-				'{' . Sabre_CalDAV_Plugin::NS_CALENDARSERVER . '}getctag' => $cal['ctag'] ? $cal['ctag'] : '0',
-				"calendar_class"                                          => "Sabre_CalDAV_Calendar",
+				"id"                                                                       => $cal["id"],
+				"uri"                                                                      => $cal["uri"],
+				"principaluri"                                                             => $principalUri,
+				'{' . Sabre_CalDAV_Plugin::NS_CALENDARSERVER . '}getctag'                  => $cal['ctag'] ? $cal['ctag'] : '0',
+				'{' . Sabre_CalDAV_Plugin::NS_CALDAV . '}supported-calendar-component-set' => new Sabre_CalDAV_Property_SupportedCalendarComponentSet($components),
+				"calendar_class"                                                           => "Sabre_CalDAV_Calendar",
 			);
 			foreach ($this->propertyMap as $key=> $field) $dat[$key] = $cal[$field];
 
@@ -191,7 +197,7 @@ class Sabre_CalDAV_Backend_Private extends Sabre_CalDAV_Backend_Common
 	 * @param string $principalUri
 	 * @param string $calendarUri
 	 * @param array $properties
-	 * @throws Sabre_DAV_Exception
+	 * @throws Sabre_DAV_Exception|Sabre_DAV_Exception_Conflict
 	 * @return string|void
 	 */
 	public function createCalendar($principalUri, $calendarUri, array $properties)
@@ -200,7 +206,7 @@ class Sabre_CalDAV_Backend_Private extends Sabre_CalDAV_Backend_Common
 		$uid = dav_compat_principal2uid($principalUri);
 
 		$r = q("SELECT * FROM %s%scalendars WHERE `namespace` = %d AND `namespace_id` = %d AND `uri` = '%s'", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, CALDAV_NAMESPACE_PRIVATE, $uid, dbesc($calendarUri));
-		if (count($r) > 0) throw new Sabre_DAV_Exception("A calendar with this URI already exists");
+		if (count($r) > 0) throw new Sabre_DAV_Exception_Conflict("A calendar with this URI already exists");
 
 		$keys = array("`namespace`", "`namespace_id`", "`ctag`", "`uri`");
 		$vals = array(CALDAV_NAMESPACE_PRIVATE, IntVal($uid), 1, "'" . dbesc($calendarUri) . "'");
diff --git a/dav/dav_caldav_backend_virtual_friendica.inc.php b/dav/dav_caldav_backend_virtual_friendica.inc.php
index 4f761da1a..9178aaabb 100644
--- a/dav/dav_caldav_backend_virtual_friendica.inc.php
+++ b/dav/dav_caldav_backend_virtual_friendica.inc.php
@@ -226,6 +226,7 @@ class Sabre_CalDAV_Backend_Friendica extends Sabre_CalDAV_Backend_Virtual
 				"uri"                                                     => $cal["uri"],
 				"principaluri"                                            => $principalUri,
 				'{' . Sabre_CalDAV_Plugin::NS_CALENDARSERVER . '}getctag' => $cal['ctag'] ? $cal['ctag'] : '0',
+				'{' . Sabre_CalDAV_Plugin::NS_CALDAV . '}supported-calendar-component-set' => new Sabre_CalDAV_Property_SupportedCalendarComponentSet(array("VEVENT")),
 				"calendar_class"                                          => "Sabre_CalDAV_Calendar_Virtual",
 			);
 			foreach ($this->propertyMap as $key=> $field) $dat[$key] = $cal[$field];
diff --git a/dav/main.php b/dav/main.php
index 86c365c0a..03f342bd2 100644
--- a/dav/main.php
+++ b/dav/main.php
@@ -67,7 +67,7 @@ function dav_init(&$a)
 
 	dav_include_files();
 
-	if (true) {
+	if (false) {
 		dbg(true);
 		error_reporting(E_ALL);
 		ini_set("display_errors", 1);