diff --git a/database.sql b/database.sql
index ea4a62647c..7da771e0ea 100644
--- a/database.sql
+++ b/database.sql
@@ -510,9 +510,9 @@ CREATE TABLE IF NOT EXISTS `config` (
 CREATE TABLE IF NOT EXISTS `contact-relation` (
 	`cid` int unsigned NOT NULL DEFAULT 0 COMMENT 'contact the related contact had interacted with',
 	`relation-cid` int unsigned NOT NULL DEFAULT 0 COMMENT 'related contact who had interacted with the contact',
-	`last-interaction` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT 'Date of the last interaction',
+	`last-interaction` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT 'Date of the last interaction by relation-cid on cid',
 	`follow-updated` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT 'Date of the last update of the contact relationship',
-	`follows` boolean NOT NULL DEFAULT '0' COMMENT '',
+	`follows` boolean NOT NULL DEFAULT '0' COMMENT 'if true, relation-cid follows cid',
 	`score` smallint unsigned COMMENT 'score for interactions of cid on relation-cid',
 	`relation-score` smallint unsigned COMMENT 'score for interactions of relation-cid on cid',
 	`thread-score` smallint unsigned COMMENT 'score for interactions of cid on threads of relation-cid',
diff --git a/doc/database/db_contact-relation.md b/doc/database/db_contact-relation.md
index 1e9a2c41c7..f11fd95a0f 100644
--- a/doc/database/db_contact-relation.md
+++ b/doc/database/db_contact-relation.md
@@ -10,9 +10,9 @@ Fields
 | --------------------- | -------------------------------------------------------- | ----------------- | ---- | --- | ------------------- | ----- |
 | cid                   | contact the related contact had interacted with          | int unsigned      | NO   | PRI | 0                   |       |
 | relation-cid          | related contact who had interacted with the contact      | int unsigned      | NO   | PRI | 0                   |       |
-| last-interaction      | Date of the last interaction                             | datetime          | NO   |     | 0001-01-01 00:00:00 |       |
+| last-interaction      | Date of the last interaction by relation-cid on cid      | datetime          | NO   |     | 0001-01-01 00:00:00 |       |
 | follow-updated        | Date of the last update of the contact relationship      | datetime          | NO   |     | 0001-01-01 00:00:00 |       |
-| follows               |                                                          | boolean           | NO   |     | 0                   |       |
+| follows               | if true, relation-cid follows cid                        | boolean           | NO   |     | 0                   |       |
 | score                 | score for interactions of cid on relation-cid            | smallint unsigned | YES  |     | NULL                |       |
 | relation-score        | score for interactions of relation-cid on cid            | smallint unsigned | YES  |     | NULL                |       |
 | thread-score          | score for interactions of cid on threads of relation-cid | smallint unsigned | YES  |     | NULL                |       |
diff --git a/src/Model/Contact/Relation.php b/src/Model/Contact/Relation.php
index a8d093bc72..9b4ebeb1d1 100644
--- a/src/Model/Contact/Relation.php
+++ b/src/Model/Contact/Relation.php
@@ -248,6 +248,10 @@ class Relation
 	{
 		$contact_discovery = DI::config()->get('system', 'contact_discovery');
 
+		if (Contact::isLocal($url)) {
+			return true;
+		}
+
 		if ($contact_discovery == self::DISCOVERY_NONE) {
 			return false;
 		}
@@ -790,57 +794,59 @@ class Relation
 		$view = Verb::getID(Activity::VIEW);
 		$read = Verb::getID(Activity::READ);
 
-		DBA::update('contact-relation', ['score' => 0, 'relation-score' => 0, 'thread-score' => 0, 'relation-thread-score' => 0], ['cid' => $contact_id]);
+		DBA::update('contact-relation', ['score' => 0, 'relation-score' => 0, 'thread-score' => 0, 'relation-thread-score' => 0], ['relation-cid' => $contact_id]);
 
 		$total = DBA::fetchFirst("SELECT count(*) AS `activity` FROM `post-user` INNER JOIN `post` ON `post`.`uri-id` = `post-user`.`thr-parent-id` WHERE `post-user`.`author-id` = ? AND `post-user`.`received` >= ? AND `post-user`.`uid` = ? AND `post`.`author-id` != ? AND NOT `post`.`vid` IN (?, ?, ?)",
 			$contact_id, DateTimeFormat::utc('now - ' . $days . ' day'), $uid, $contact_id, $follow, $view, $read);
 
-		Logger::debug('Calculate score', ['uid' => $uid, 'total' => $total['activity']]);
+		Logger::debug('Calculate relation-score', ['uid' => $uid, 'total' => $total['activity']]);
 
-		$interactions = DBA::p("SELECT `post`.`author-id`, count(*) AS `activity` FROM `post-user` INNER JOIN `post` ON `post`.`uri-id` = `post-user`.`thr-parent-id` WHERE `post-user`.`author-id` = ? AND `post-user`.`received` >= ? AND `post-user`.`uid` = ? AND `post`.`author-id` != ? AND NOT `post`.`vid` IN (?, ?, ?) GROUP BY `post`.`author-id`",
-			$contact_id, DateTimeFormat::utc('now - ' . $days . ' day'), $uid, $contact_id, $follow, $view, $read);
+		$interactions = DBA::p("SELECT `post`.`author-id`, count(*) AS `activity`, EXISTS(SELECT `pid` FROM `account-user-view` WHERE `pid` = `post`.`author-id` AND `uid` = ? AND `rel` IN (?, ?)) AS `follows`
+			FROM `post-user` INNER JOIN `post` ON `post`.`uri-id` = `post-user`.`thr-parent-id` WHERE `post-user`.`author-id` = ? AND `post-user`.`received` >= ? AND `post-user`.`uid` = ? AND `post`.`author-id` != ? AND NOT `post`.`vid` IN (?, ?, ?) GROUP BY `post`.`author-id`",
+			$uid, Contact::SHARING, Contact::FRIEND, $contact_id, DateTimeFormat::utc('now - ' . $days . ' day'), $uid, $contact_id, $follow, $view, $read);
 		while ($interaction = DBA::fetch($interactions)) {
 			$score = min((int)(($interaction['activity'] / $total['activity']) * 65535), 65535);
-			DBA::update('contact-relation', ['score' => $score], ['cid' => $contact_id, 'relation-cid' => $interaction['author-id']]);
+			DBA::update('contact-relation', ['relation-score' => $score, 'follows' => $interaction['follows']], ['relation-cid' => $contact_id, 'cid' => $interaction['author-id']]);
 		}
 		DBA::close($interactions);
 
 		$total = DBA::fetchFirst("SELECT count(*) AS `activity` FROM `post-user` INNER JOIN `post` ON `post`.`uri-id` = `post-user`.`parent-uri-id` WHERE `post-user`.`author-id` = ? AND `post-user`.`received` >= ? AND `post-user`.`uid` = ? AND `post`.`author-id` != ? AND NOT `post`.`vid` IN (?, ?, ?)",
 			$contact_id, DateTimeFormat::utc('now - ' . $days . ' day'), $uid, $contact_id, $follow, $view, $read);
 
-		Logger::debug('Calculate thread-score', ['uid' => $uid, 'total' => $total['activity']]);
+		Logger::debug('Calculate relation-thread-score', ['uid' => $uid, 'total' => $total['activity']]);
 
-		$interactions = DBA::p("SELECT `post`.`author-id`, count(*) AS `activity` FROM `post-user` INNER JOIN `post` ON `post`.`uri-id` = `post-user`.`parent-uri-id` WHERE `post-user`.`author-id` = ? AND `post-user`.`received` >= ? AND `post-user`.`uid` = ? AND `post`.`author-id` != ? AND NOT `post`.`vid` IN (?, ?, ?) GROUP BY `post`.`author-id`",
-			$contact_id, DateTimeFormat::utc('now - ' . $days . ' day'), $uid, $contact_id, $follow, $view, $read);
+		$interactions = DBA::p("SELECT `post`.`author-id`, count(*) AS `activity`, EXISTS(SELECT `pid` FROM `account-user-view` WHERE `pid` = `post`.`author-id` AND `uid` = ? AND `rel` IN (?, ?)) AS `follows`
+			FROM `post-user` INNER JOIN `post` ON `post`.`uri-id` = `post-user`.`parent-uri-id` WHERE `post-user`.`author-id` = ? AND `post-user`.`received` >= ? AND `post-user`.`uid` = ? AND `post`.`author-id` != ? AND NOT `post`.`vid` IN (?, ?, ?) GROUP BY `post`.`author-id`",
+			$uid, Contact::SHARING, Contact::FRIEND, $contact_id, DateTimeFormat::utc('now - ' . $days . ' day'), $uid, $contact_id, $follow, $view, $read);
 		while ($interaction = DBA::fetch($interactions)) {
 			$score = min((int)(($interaction['activity'] / $total['activity']) * 65535), 65535);
-			DBA::update('contact-relation', ['thread-score' => $score], ['cid' => $contact_id, 'relation-cid' => $interaction['author-id']]);
+			DBA::update('contact-relation', ['relation-thread-score' => $score, 'follows' => !empty($interaction['follows'])], ['relation-cid' => $contact_id, 'cid' => $interaction['author-id']]);
 		}
 		DBA::close($interactions);
 
 		$total = DBA::fetchFirst("SELECT count(*) AS `activity` FROM `post-user` INNER JOIN `post` ON `post-user`.`uri-id` = `post`.`thr-parent-id` WHERE `post-user`.`author-id` = ? AND `post-user`.`received` >= ? AND `post-user`.`uid` = ? AND `post`.`author-id` != ? AND NOT `post`.`vid` IN (?, ?, ?)",
 			$contact_id, DateTimeFormat::utc('now - ' . $days . ' day'), $uid, $contact_id, $follow, $view, $read);
 
-		Logger::debug('Calculate relation-score', ['uid' => $uid, 'total' => $total['activity']]);
+		Logger::debug('Calculate score', ['uid' => $uid, 'total' => $total['activity']]);
 
 		$interactions = DBA::p("SELECT `post`.`author-id`, count(*) AS `activity` FROM `post-user` INNER JOIN `post` ON `post-user`.`uri-id` = `post`.`thr-parent-id` WHERE `post-user`.`author-id` = ? AND `post-user`.`received` >= ? AND `post-user`.`uid` = ? AND `post`.`author-id` != ? AND NOT `post`.`vid` IN (?, ?, ?) GROUP BY `post`.`author-id`",
 			$contact_id, DateTimeFormat::utc('now - ' . $days . ' day'), $uid, $contact_id, $follow, $view, $read);
 		while ($interaction = DBA::fetch($interactions)) {
 			$score = min((int)(($interaction['activity'] / $total['activity']) * 65535), 65535);
-			DBA::update('contact-relation', ['relation-score' => $score], ['cid' => $contact_id, 'relation-cid' => $interaction['author-id']]);
+			DBA::update('contact-relation', ['score' => $score], ['relation-cid' => $contact_id, 'cid' => $interaction['author-id']]);
 		}
 		DBA::close($interactions);
 
 		$total = DBA::fetchFirst("SELECT count(*) AS `activity` FROM `post-user` INNER JOIN `post` ON `post-user`.`uri-id` = `post`.`parent-uri-id` WHERE `post-user`.`author-id` = ? AND `post-user`.`received` >= ? AND `post-user`.`uid` = ? AND `post`.`author-id` != ? AND NOT `post`.`vid` IN (?, ?, ?)",
 			$contact_id, DateTimeFormat::utc('now - ' . $days . ' day'), $uid, $contact_id, $follow, $view, $read);
 
-		Logger::debug('Calculate relation-thread-score', ['uid' => $uid, 'total' => $total['activity']]);
+		Logger::debug('Calculate thread-score', ['uid' => $uid, 'total' => $total['activity']]);
 
 		$interactions = DBA::p("SELECT `post`.`author-id`, count(*) AS `activity` FROM `post-user` INNER JOIN `post` ON `post-user`.`uri-id` = `post`.`parent-uri-id` WHERE `post-user`.`author-id` = ? AND `post-user`.`received` >= ? AND `post-user`.`uid` = ? AND `post`.`author-id` != ? AND NOT `post`.`vid` IN (?, ?, ?) GROUP BY `post`.`author-id`",
 			$contact_id, DateTimeFormat::utc('now - ' . $days . ' day'), $uid, $contact_id, $follow, $view, $read);
 		while ($interaction = DBA::fetch($interactions)) {
 			$score = min((int)(($interaction['activity'] / $total['activity']) * 65535), 65535);
-			DBA::update('contact-relation', ['relation-thread-score' => $score], ['cid' => $contact_id, 'relation-cid' => $interaction['author-id']]);
+			DBA::update('contact-relation', ['thread-score' => $score], ['relation-cid' => $contact_id, 'cid' => $interaction['author-id']]);
 		}
 		DBA::close($interactions);
 		Logger::debug('Calculation - end', ['uid' => $uid]);
diff --git a/src/Module/Conversation/Channel.php b/src/Module/Conversation/Channel.php
index eacbb2201e..12e0cb467c 100644
--- a/src/Module/Conversation/Channel.php
+++ b/src/Module/Conversation/Channel.php
@@ -48,6 +48,7 @@ use Friendica\Database\Database;
 use Friendica\Model\Item;
 use Friendica\Module\Response;
 use Friendica\Navigation\SystemMessages;
+use Friendica\Util\DateTimeFormat;
 use Friendica\Util\Profiler;
 use Psr\Log\LoggerInterface;
 
@@ -56,6 +57,7 @@ class Channel extends BaseModule
 	const WHATSHOT  = 'whatshot';
 	const FORYOU    = 'foryou';
 	const FOLLOWERS = 'followers';
+	const SHARERSOFSHARERS = 'sharersofsharers';
 	const IMAGE     = 'image';
 	const VIDEO     = 'video';
 	const AUDIO     = 'audio';
@@ -165,6 +167,15 @@ class Channel extends BaseModule
 				'accesskey' => 'f'
 			];
 
+			$tabs[] = [
+				'label'     => $this->l10n->t('Sharers of sharers'),
+				'url'       => 'channel/' . self::SHARERSOFSHARERS,
+				'sel'       => self::$content == self::SHARERSOFSHARERS ? 'active' : '',
+				'title'     => $this->l10n->t('Posts from accounts that are followed by accounts that you follow'),
+				'id'        => 'channel-' . self::SHARERSOFSHARERS . '-tab',
+				'accesskey' => 'f'
+			];
+
 			$tabs[] = [
 				'label'     => $this->l10n->t('Images'),
 				'url'       => 'channel/' . self::IMAGE,
@@ -279,7 +290,7 @@ class Channel extends BaseModule
 			self::$content = self::FORYOU;
 		}
 
-		if (!in_array(self::$content, [self::WHATSHOT, self::FORYOU, self::FOLLOWERS, self::IMAGE, self::VIDEO, self::AUDIO, self::LANGUAGE])) {
+		if (!in_array(self::$content, [self::WHATSHOT, self::FORYOU, self::FOLLOWERS, self::SHARERSOFSHARERS, self::IMAGE, self::VIDEO, self::AUDIO, self::LANGUAGE])) {
 			throw new HTTPException\BadRequestException($this->l10n->t('Channel not available.'));
 		}
 
@@ -330,13 +341,24 @@ class Channel extends BaseModule
 		} elseif (self::$content == self::FORYOU) {
 			$cid = Contact::getPublicIdByUserId($this->session->getLocalUserId());
 
-			$condition = ["(`owner-id` IN (SELECT `relation-cid` FROM `contact-relation` WHERE `cid` = ? AND `thread-score` > ?) OR
-				((`comments` >= ? OR `activities` >= ?) AND `owner-id` IN (SELECT `pid` FROM `account-user-view` WHERE `uid` = ? AND `rel` IN (?, ?))) OR
-				( `owner-id` IN (SELECT `pid` FROM `account-user-view` WHERE `uid` = ? AND `rel` IN (?, ?) AND `notify_new_posts`)))",
-				$cid, $this->getMedianThreadScore($cid, 4), $this->getMedianComments(4), $this->getMedianActivities(4), $this->session->getLocalUserId(), Contact::FRIEND, Contact::SHARING,
-				$this->session->getLocalUserId(), Contact::FRIEND, Contact::SHARING];
+			$condition = [
+				"(`owner-id` IN (SELECT `cid` FROM `contact-relation` WHERE `relation-cid` = ? AND `relation-thread-score` > ?) OR
+				((`comments` >= ? OR `activities` >= ?) AND `owner-id` IN (SELECT `cid` FROM `contact-relation` WHERE `follows` AND `relation-cid` = ?)) OR
+				(`owner-id` IN (SELECT `pid` FROM `account-user-view` WHERE `uid` = ? AND `rel` IN (?, ?) AND `notify_new_posts`)))",
+				$cid, $this->getMedianRelationThreadScore($cid, 4), $this->getMedianComments(4), $this->getMedianActivities(4), $cid,
+				$this->session->getLocalUserId(), Contact::FRIEND, Contact::SHARING
+			];
 		} elseif (self::$content == self::FOLLOWERS) {
 			$condition = ["`owner-id` IN (SELECT `pid` FROM `account-user-view` WHERE `uid` = ? AND `rel` = ?)", $this->session->getLocalUserId(), Contact::FOLLOWER];
+		} elseif (self::$content == self::SHARERSOFSHARERS) {
+			$cid = Contact::getPublicIdByUserId($this->session->getLocalUserId());
+
+			$condition = [
+				"`owner-id` IN (SELECT `cid` FROM `contact-relation` WHERE `follows` AND `last-interaction` > ?
+				AND `relation-cid` IN (SELECT `cid` FROM `contact-relation` WHERE `follows` AND `relation-cid` = ? AND `relation-thread-score` >= ?)
+				AND NOT `cid` IN (SELECT `cid` FROM `contact-relation` WHERE `follows` AND `relation-cid` = ?))",
+				DateTimeFormat::utc('now - 90 day'), $cid, $this->getMedianRelationThreadScore($cid, 4), $cid
+			];
 		} elseif (self::$content == self::IMAGE) {
 			$condition = ["`media-type` & ?", 1];
 		} elseif (self::$content == self::VIDEO) {
@@ -454,7 +476,7 @@ class Channel extends BaseModule
 		return $activities;
 	}
 
-	private function getMedianThreadScore(int $cid, int $divider): int
+	private function getMedianRelationThreadScore(int $cid, int $divider): int
 	{
 		$cache_key = 'Channel:getThreadScore:' . $cid . ':' . $divider;
 		$score     = $this->cache->get($cache_key);
@@ -462,9 +484,9 @@ class Channel extends BaseModule
 			return $score;
 		}
 
-		$limit    = $this->database->count('contact-relation', ["`cid` = ? AND `thread-score` > ?", $cid, 0]) / $divider;
-		$relation = $this->database->selectToArray('contact-relation', ['thread-score'], ['cid' => $cid], ['order' => ['thread-score' => true], 'limit' => [$limit, 1]]);
-		$score    = $relation[0]['thread-score'] ?? 0;
+		$limit    = $this->database->count('contact-relation', ["`relation-cid` = ? AND `relation-thread-score` > ?", $cid, 0]) / $divider;
+		$relation = $this->database->selectToArray('contact-relation', ['relation-thread-score'], ['relation-cid' => $cid], ['order' => ['relation-thread-score' => true], 'limit' => [$limit, 1]]);
+		$score    = $relation[0]['relation-thread-score'] ?? 0;
 		if (empty($score)) {
 			return 0;
 		}
diff --git a/src/Worker/Cron.php b/src/Worker/Cron.php
index 607de5c0d6..6ba68d1770 100644
--- a/src/Worker/Cron.php
+++ b/src/Worker/Cron.php
@@ -144,6 +144,13 @@ class Cron
 			}
 			DBA::close($users);
 
+			// Update contact relations for our users
+			$users = DBA::select('user', ['uid'], ["NOT `account_expired` AND NOT `account_removed` AND `uid` > ?", 0]);
+			while ($user = DBA::fetch($users)) {
+				Worker::add(Worker::PRIORITY_LOW, 'ContactDiscoveryForUser', $user['uid']);
+			}
+			DBA::close($users);
+
 			// Resubscribe to relay servers
 			Relay::reSubscribe();
 
diff --git a/static/dbstructure.config.php b/static/dbstructure.config.php
index d48428f4c1..318a836efd 100644
--- a/static/dbstructure.config.php
+++ b/static/dbstructure.config.php
@@ -393,7 +393,8 @@ return [
 			"uri-id" => ["type" => "int unsigned", "not null" => "1", "primary" => "1", "foreign" => ["item-uri" => "id"], "comment" => "Id of the item-uri table entry that contains the account url"],
 			"uid" => ["type" => "mediumint unsigned", "not null" => "1", "primary" => "1", "foreign" => ["user" => "uid"], "comment" => "User ID"],
 			"level" => ["type" => "smallint unsigned", "comment" => "level of closeness"],
-			"ignore" => ["type" => "boolean", "not null" => "1", "default" => "0", "comment" => "If set, this account will not be suggested again"],		],
+			"ignore" => ["type" => "boolean", "not null" => "1", "default" => "0", "comment" => "If set, this account will not be suggested again"],
+		],
 		"indexes" => [
 			"PRIMARY" => ["uid", "uri-id"],
 			"uri-id_uid" => ["uri-id", "uid"],
@@ -568,9 +569,9 @@ return [
 		"fields" => [
 			"cid" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "foreign" => ["contact" => "id"], "primary" => "1", "comment" => "contact the related contact had interacted with"],
 			"relation-cid" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "foreign" => ["contact" => "id"], "primary" => "1", "comment" => "related contact who had interacted with the contact"],
-			"last-interaction" => ["type" => "datetime", "not null" => "1", "default" => DBA::NULL_DATETIME, "comment" => "Date of the last interaction"],
+			"last-interaction" => ["type" => "datetime", "not null" => "1", "default" => DBA::NULL_DATETIME, "comment" => "Date of the last interaction by relation-cid on cid"],
 			"follow-updated" => ["type" => "datetime", "not null" => "1", "default" => DBA::NULL_DATETIME, "comment" => "Date of the last update of the contact relationship"],
-			"follows" => ["type" => "boolean", "not null" => "1", "default" => "0", "comment" => ""],
+			"follows" => ["type" => "boolean", "not null" => "1", "default" => "0", "comment" => "if true, relation-cid follows cid"],
 			"score" => ["type" => "smallint unsigned", "comment" => "score for interactions of cid on relation-cid"],
 			"relation-score" => ["type" => "smallint unsigned", "comment" => "score for interactions of relation-cid on cid"],
 			"thread-score" => ["type" => "smallint unsigned", "comment" => "score for interactions of cid on threads of relation-cid"],
@@ -749,7 +750,8 @@ return [
 			"id" => ["type" => "int unsigned", "not null" => "1", "extra" => "auto_increment", "primary" => "1", "comment" => "sequential ID"],
 			"url" => ["type" => "varbinary(383)", "comment" => "url that awaiting to be fetched"],
 			"created" => ["type" => "datetime", "not null" => "1", "default" => DBA::NULL_DATETIME, "comment" => "Creation date of the fetch request"],
-			"wid" => ["type" => "int unsigned", "foreign" => ["workerqueue" => "id"], "comment" => "Workerqueue id"],		],
+			"wid" => ["type" => "int unsigned", "foreign" => ["workerqueue" => "id"], "comment" => "Workerqueue id"],
+		],
 		"indexes" => [
 			"PRIMARY" => ["id"],
 			"url" => ["UNIQUE", "url"],
@@ -808,8 +810,7 @@ return [
 	"gserver-tag" => [
 		"comment" => "Tags that the server has subscribed",
 		"fields" => [
-			"gserver-id" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "foreign" => ["gserver" => "id"], "primary" => "1",
-				"comment" => "The id of the gserver"],
+			"gserver-id" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "foreign" => ["gserver" => "id"], "primary" => "1", "comment" => "The id of the gserver"],
 			"tag" => ["type" => "varchar(100)", "not null" => "1", "default" => "", "primary" => "1", "comment" => "Tag that the server has subscribed"],
 		],
 		"indexes" => [
@@ -848,7 +849,8 @@ return [
 			"signer" => ["type" => "varchar(255)", "comment" => ""],
 			"push" => ["type" => "boolean", "comment" => "Is the entry pushed or have pulled it?"],
 			"trust" => ["type" => "boolean", "comment" => "Do we trust this entry?"],
-			"wid" => ["type" => "int unsigned", "foreign" => ["workerqueue" => "id"], "comment" => "Workerqueue id"],		],
+			"wid" => ["type" => "int unsigned", "foreign" => ["workerqueue" => "id"], "comment" => "Workerqueue id"],
+		],
 		"indexes" => [
 			"PRIMARY" => ["id"],
 			"activity-id" => ["UNIQUE", "activity-id"],
@@ -1073,8 +1075,7 @@ return [
 			"master-parent-item" => ["type" => "int unsigned", "comment" => "Deprecated"],
 			"master-parent-uri-id" => ["type" => "int unsigned", "foreign" => ["item-uri" => "id"], "comment" => "Item-uri id of the parent of the related post"],
 			"parent-item" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "comment" => ""],
-			"receiver-uid" => ["type" => "mediumint unsigned", "not null" => "1", "default" => "0", "foreign" => ["user" => "uid"],
-				"comment" => "User id"],
+			"receiver-uid" => ["type" => "mediumint unsigned", "not null" => "1", "default" => "0", "foreign" => ["user" => "uid"], "comment" => "User id"],
 		],
 		"indexes" => [
 			"PRIMARY" => ["id"],
diff --git a/view/lang/C/messages.po b/view/lang/C/messages.po
index cda45a7d01..85a2885af7 100644
--- a/view/lang/C/messages.po
+++ b/view/lang/C/messages.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: 2023.09-dev\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2023-09-03 14:48+0000\n"
+"POT-Creation-Date: 2023-09-07 12:24+0000\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -793,7 +793,7 @@ msgid "All contacts"
 msgstr ""
 
 #: src/BaseModule.php:433 src/Content/Widget.php:239 src/Core/ACL.php:195
-#: src/Module/Contact.php:415 src/Module/Conversation/Channel.php:160
+#: src/Module/Contact.php:415 src/Module/Conversation/Channel.php:162
 #: src/Module/PermissionTooltip.php:127 src/Module/PermissionTooltip.php:149
 msgid "Followers"
 msgstr ""
@@ -956,7 +956,7 @@ msgstr ""
 msgid "Enter user nickname: "
 msgstr ""
 
-#: src/Console/User.php:182 src/Model/User.php:716
+#: src/Console/User.php:182 src/Model/User.php:712
 #: src/Module/Api/Twitter/ContactEndpoint.php:74
 #: src/Module/Moderation/Users/Active.php:71
 #: src/Module/Moderation/Users/Blocked.php:71
@@ -1626,7 +1626,7 @@ msgstr ""
 
 #: src/Content/GroupManager.php:152 src/Content/Nav.php:278
 #: src/Content/Text/HTML.php:880 src/Content/Widget.php:537
-#: src/Model/User.php:1278
+#: src/Model/User.php:1274
 msgid "Groups"
 msgstr ""
 
@@ -1647,7 +1647,7 @@ msgstr ""
 msgid "Create new group"
 msgstr ""
 
-#: src/Content/Item.php:331 src/Model/Item.php:3004
+#: src/Content/Item.php:331 src/Model/Item.php:3001
 msgid "event"
 msgstr ""
 
@@ -1655,7 +1655,7 @@ msgstr ""
 msgid "status"
 msgstr ""
 
-#: src/Content/Item.php:340 src/Model/Item.php:3006
+#: src/Content/Item.php:340 src/Model/Item.php:3003
 #: src/Module/Post/Tag/Add.php:123
 msgid "photo"
 msgstr ""
@@ -2074,8 +2074,8 @@ msgid ""
 "<a href=\"%1$s\" target=\"_blank\" rel=\"noopener noreferrer\">%2$s</a> %3$s"
 msgstr ""
 
-#: src/Content/Text/BBCode.php:939 src/Model/Item.php:3746
-#: src/Model/Item.php:3752 src/Model/Item.php:3753
+#: src/Content/Text/BBCode.php:939 src/Model/Item.php:3743
+#: src/Model/Item.php:3749 src/Model/Item.php:3750
 msgid "Link to source"
 msgstr ""
 
@@ -2709,158 +2709,158 @@ msgstr ""
 msgid "Could not connect to database."
 msgstr ""
 
-#: src/Core/L10n.php:408 src/Model/Event.php:430
+#: src/Core/L10n.php:476 src/Model/Event.php:430
 #: src/Module/Settings/Display.php:227
 msgid "Monday"
 msgstr ""
 
-#: src/Core/L10n.php:408 src/Model/Event.php:431
+#: src/Core/L10n.php:476 src/Model/Event.php:431
 #: src/Module/Settings/Display.php:228
 msgid "Tuesday"
 msgstr ""
 
-#: src/Core/L10n.php:408 src/Model/Event.php:432
+#: src/Core/L10n.php:476 src/Model/Event.php:432
 #: src/Module/Settings/Display.php:229
 msgid "Wednesday"
 msgstr ""
 
-#: src/Core/L10n.php:408 src/Model/Event.php:433
+#: src/Core/L10n.php:476 src/Model/Event.php:433
 #: src/Module/Settings/Display.php:230
 msgid "Thursday"
 msgstr ""
 
-#: src/Core/L10n.php:408 src/Model/Event.php:434
+#: src/Core/L10n.php:476 src/Model/Event.php:434
 #: src/Module/Settings/Display.php:231
 msgid "Friday"
 msgstr ""
 
-#: src/Core/L10n.php:408 src/Model/Event.php:435
+#: src/Core/L10n.php:476 src/Model/Event.php:435
 #: src/Module/Settings/Display.php:232
 msgid "Saturday"
 msgstr ""
 
-#: src/Core/L10n.php:408 src/Model/Event.php:429
+#: src/Core/L10n.php:476 src/Model/Event.php:429
 #: src/Module/Settings/Display.php:226
 msgid "Sunday"
 msgstr ""
 
-#: src/Core/L10n.php:412 src/Model/Event.php:450
+#: src/Core/L10n.php:480 src/Model/Event.php:450
 msgid "January"
 msgstr ""
 
-#: src/Core/L10n.php:412 src/Model/Event.php:451
+#: src/Core/L10n.php:480 src/Model/Event.php:451
 msgid "February"
 msgstr ""
 
-#: src/Core/L10n.php:412 src/Model/Event.php:452
+#: src/Core/L10n.php:480 src/Model/Event.php:452
 msgid "March"
 msgstr ""
 
-#: src/Core/L10n.php:412 src/Model/Event.php:453
+#: src/Core/L10n.php:480 src/Model/Event.php:453
 msgid "April"
 msgstr ""
 
-#: src/Core/L10n.php:412 src/Core/L10n.php:431 src/Model/Event.php:441
+#: src/Core/L10n.php:480 src/Core/L10n.php:499 src/Model/Event.php:441
 msgid "May"
 msgstr ""
 
-#: src/Core/L10n.php:412 src/Model/Event.php:454
+#: src/Core/L10n.php:480 src/Model/Event.php:454
 msgid "June"
 msgstr ""
 
-#: src/Core/L10n.php:412 src/Model/Event.php:455
+#: src/Core/L10n.php:480 src/Model/Event.php:455
 msgid "July"
 msgstr ""
 
-#: src/Core/L10n.php:412 src/Model/Event.php:456
+#: src/Core/L10n.php:480 src/Model/Event.php:456
 msgid "August"
 msgstr ""
 
-#: src/Core/L10n.php:412 src/Model/Event.php:457
+#: src/Core/L10n.php:480 src/Model/Event.php:457
 msgid "September"
 msgstr ""
 
-#: src/Core/L10n.php:412 src/Model/Event.php:458
+#: src/Core/L10n.php:480 src/Model/Event.php:458
 msgid "October"
 msgstr ""
 
-#: src/Core/L10n.php:412 src/Model/Event.php:459
+#: src/Core/L10n.php:480 src/Model/Event.php:459
 msgid "November"
 msgstr ""
 
-#: src/Core/L10n.php:412 src/Model/Event.php:460
+#: src/Core/L10n.php:480 src/Model/Event.php:460
 msgid "December"
 msgstr ""
 
-#: src/Core/L10n.php:427 src/Model/Event.php:422
+#: src/Core/L10n.php:495 src/Model/Event.php:422
 msgid "Mon"
 msgstr ""
 
-#: src/Core/L10n.php:427 src/Model/Event.php:423
+#: src/Core/L10n.php:495 src/Model/Event.php:423
 msgid "Tue"
 msgstr ""
 
-#: src/Core/L10n.php:427 src/Model/Event.php:424
+#: src/Core/L10n.php:495 src/Model/Event.php:424
 msgid "Wed"
 msgstr ""
 
-#: src/Core/L10n.php:427 src/Model/Event.php:425
+#: src/Core/L10n.php:495 src/Model/Event.php:425
 msgid "Thu"
 msgstr ""
 
-#: src/Core/L10n.php:427 src/Model/Event.php:426
+#: src/Core/L10n.php:495 src/Model/Event.php:426
 msgid "Fri"
 msgstr ""
 
-#: src/Core/L10n.php:427 src/Model/Event.php:427
+#: src/Core/L10n.php:495 src/Model/Event.php:427
 msgid "Sat"
 msgstr ""
 
-#: src/Core/L10n.php:427 src/Model/Event.php:421
+#: src/Core/L10n.php:495 src/Model/Event.php:421
 msgid "Sun"
 msgstr ""
 
-#: src/Core/L10n.php:431 src/Model/Event.php:437
+#: src/Core/L10n.php:499 src/Model/Event.php:437
 msgid "Jan"
 msgstr ""
 
-#: src/Core/L10n.php:431 src/Model/Event.php:438
+#: src/Core/L10n.php:499 src/Model/Event.php:438
 msgid "Feb"
 msgstr ""
 
-#: src/Core/L10n.php:431 src/Model/Event.php:439
+#: src/Core/L10n.php:499 src/Model/Event.php:439
 msgid "Mar"
 msgstr ""
 
-#: src/Core/L10n.php:431 src/Model/Event.php:440
+#: src/Core/L10n.php:499 src/Model/Event.php:440
 msgid "Apr"
 msgstr ""
 
-#: src/Core/L10n.php:431 src/Model/Event.php:442
+#: src/Core/L10n.php:499 src/Model/Event.php:442
 msgid "Jun"
 msgstr ""
 
-#: src/Core/L10n.php:431 src/Model/Event.php:443
+#: src/Core/L10n.php:499 src/Model/Event.php:443
 msgid "Jul"
 msgstr ""
 
-#: src/Core/L10n.php:431 src/Model/Event.php:444
+#: src/Core/L10n.php:499 src/Model/Event.php:444
 msgid "Aug"
 msgstr ""
 
-#: src/Core/L10n.php:431
+#: src/Core/L10n.php:499
 msgid "Sep"
 msgstr ""
 
-#: src/Core/L10n.php:431 src/Model/Event.php:446
+#: src/Core/L10n.php:499 src/Model/Event.php:446
 msgid "Oct"
 msgstr ""
 
-#: src/Core/L10n.php:431 src/Model/Event.php:447
+#: src/Core/L10n.php:499 src/Model/Event.php:447
 msgid "Nov"
 msgstr ""
 
-#: src/Core/L10n.php:431 src/Model/Event.php:448
+#: src/Core/L10n.php:499 src/Model/Event.php:448
 msgid "Dec"
 msgstr ""
 
@@ -3258,81 +3258,81 @@ msgstr ""
 msgid "Happy Birthday %s"
 msgstr ""
 
-#: src/Model/Item.php:2063
+#: src/Model/Item.php:2060
 #, php-format
 msgid "Detected languages in this post:\\n%s"
 msgstr ""
 
-#: src/Model/Item.php:3008
+#: src/Model/Item.php:3005
 msgid "activity"
 msgstr ""
 
-#: src/Model/Item.php:3010
+#: src/Model/Item.php:3007
 msgid "comment"
 msgstr ""
 
-#: src/Model/Item.php:3013 src/Module/Post/Tag/Add.php:123
+#: src/Model/Item.php:3010 src/Module/Post/Tag/Add.php:123
 msgid "post"
 msgstr ""
 
-#: src/Model/Item.php:3183
+#: src/Model/Item.php:3180
 #, php-format
 msgid "%s is blocked"
 msgstr ""
 
-#: src/Model/Item.php:3185
+#: src/Model/Item.php:3182
 #, php-format
 msgid "%s is ignored"
 msgstr ""
 
-#: src/Model/Item.php:3187
+#: src/Model/Item.php:3184
 #, php-format
 msgid "Content from %s is collapsed"
 msgstr ""
 
-#: src/Model/Item.php:3191
+#: src/Model/Item.php:3188
 #, php-format
 msgid "Content warning: %s"
 msgstr ""
 
-#: src/Model/Item.php:3653
+#: src/Model/Item.php:3650
 msgid "bytes"
 msgstr ""
 
-#: src/Model/Item.php:3684
+#: src/Model/Item.php:3681
 #, php-format
 msgid "%2$s (%3$d%%, %1$d vote)"
 msgid_plural "%2$s (%3$d%%, %1$d votes)"
 msgstr[0] ""
 msgstr[1] ""
 
-#: src/Model/Item.php:3686
+#: src/Model/Item.php:3683
 #, php-format
 msgid "%2$s (%1$d vote)"
 msgid_plural "%2$s (%1$d votes)"
 msgstr[0] ""
 msgstr[1] ""
 
-#: src/Model/Item.php:3691
+#: src/Model/Item.php:3688
 #, php-format
 msgid "%d voter. Poll end: %s"
 msgid_plural "%d voters. Poll end: %s"
 msgstr[0] ""
 msgstr[1] ""
 
-#: src/Model/Item.php:3693
+#: src/Model/Item.php:3690
 #, php-format
 msgid "%d voter."
 msgid_plural "%d voters."
 msgstr[0] ""
 msgstr[1] ""
 
-#: src/Model/Item.php:3695
+#: src/Model/Item.php:3692
 #, php-format
 msgid "Poll end: %s"
 msgstr ""
 
-#: src/Model/Item.php:3729 src/Model/Item.php:3730
+#: src/Model/Item.php:3726 src/Model/Item.php:3727
 msgid "View on separate page"
 msgstr ""
 
@@ -3490,145 +3490,145 @@ msgstr ""
 msgid "Contact information and Social Networks"
 msgstr ""
 
-#: src/Model/User.php:227 src/Model/User.php:1191
+#: src/Model/User.php:227 src/Model/User.php:1187
 msgid "SERIOUS ERROR: Generation of security keys failed."
 msgstr ""
 
-#: src/Model/User.php:625 src/Model/User.php:658
+#: src/Model/User.php:621 src/Model/User.php:654
 msgid "Login failed"
 msgstr ""
 
-#: src/Model/User.php:690
+#: src/Model/User.php:686
 msgid "Not enough information to authenticate"
 msgstr ""
 
-#: src/Model/User.php:811
+#: src/Model/User.php:807
 msgid "Password can't be empty"
 msgstr ""
 
-#: src/Model/User.php:853
+#: src/Model/User.php:849
 msgid "Empty passwords are not allowed."
 msgstr ""
 
-#: src/Model/User.php:857
+#: src/Model/User.php:853
 msgid ""
 "The new password has been exposed in a public data dump, please choose "
 "another."
 msgstr ""
 
-#: src/Model/User.php:861
+#: src/Model/User.php:857
 msgid "The password length is limited to 72 characters."
 msgstr ""
 
-#: src/Model/User.php:865
+#: src/Model/User.php:861
 msgid "The password can't contain white spaces nor accentuated letters"
 msgstr ""
 
-#: src/Model/User.php:1074
+#: src/Model/User.php:1070
 msgid "Passwords do not match. Password unchanged."
 msgstr ""
 
-#: src/Model/User.php:1081
+#: src/Model/User.php:1077
 msgid "An invitation is required."
 msgstr ""
 
-#: src/Model/User.php:1085
+#: src/Model/User.php:1081
 msgid "Invitation could not be verified."
 msgstr ""
 
-#: src/Model/User.php:1093
+#: src/Model/User.php:1089
 msgid "Invalid OpenID url"
 msgstr ""
 
-#: src/Model/User.php:1106 src/Security/Authentication.php:241
+#: src/Model/User.php:1102 src/Security/Authentication.php:241
 msgid ""
 "We encountered a problem while logging in with the OpenID you provided. "
 "Please check the correct spelling of the ID."
 msgstr ""
 
-#: src/Model/User.php:1106 src/Security/Authentication.php:241
+#: src/Model/User.php:1102 src/Security/Authentication.php:241
 msgid "The error message was:"
 msgstr ""
 
-#: src/Model/User.php:1112
+#: src/Model/User.php:1108
 msgid "Please enter the required information."
 msgstr ""
 
-#: src/Model/User.php:1126
+#: src/Model/User.php:1122
 #, php-format
 msgid ""
 "system.username_min_length (%s) and system.username_max_length (%s) are "
 "excluding each other, swapping values."
 msgstr ""
 
-#: src/Model/User.php:1133
+#: src/Model/User.php:1129
 #, php-format
 msgid "Username should be at least %s character."
 msgid_plural "Username should be at least %s characters."
 msgstr[0] ""
 msgstr[1] ""
 
-#: src/Model/User.php:1137
+#: src/Model/User.php:1133
 #, php-format
 msgid "Username should be at most %s character."
 msgid_plural "Username should be at most %s characters."
 msgstr[0] ""
 msgstr[1] ""
 
-#: src/Model/User.php:1145
+#: src/Model/User.php:1141
 msgid "That doesn't appear to be your full (First Last) name."
 msgstr ""
 
-#: src/Model/User.php:1150
+#: src/Model/User.php:1146
 msgid "Your email domain is not among those allowed on this site."
 msgstr ""
 
-#: src/Model/User.php:1154
+#: src/Model/User.php:1150
 msgid "Not a valid email address."
 msgstr ""
 
-#: src/Model/User.php:1157
+#: src/Model/User.php:1153
 msgid "The nickname was blocked from registration by the nodes admin."
 msgstr ""
 
-#: src/Model/User.php:1161 src/Model/User.php:1167
+#: src/Model/User.php:1157 src/Model/User.php:1163
 msgid "Cannot use that email."
 msgstr ""
 
-#: src/Model/User.php:1173
+#: src/Model/User.php:1169
 msgid "Your nickname can only contain a-z, 0-9 and _."
 msgstr ""
 
-#: src/Model/User.php:1181 src/Model/User.php:1238
+#: src/Model/User.php:1177 src/Model/User.php:1234
 msgid "Nickname is already registered. Please choose another."
 msgstr ""
 
-#: src/Model/User.php:1225 src/Model/User.php:1229
+#: src/Model/User.php:1221 src/Model/User.php:1225
 msgid "An error occurred during registration. Please try again."
 msgstr ""
 
-#: src/Model/User.php:1252
+#: src/Model/User.php:1248
 msgid "An error occurred creating your default profile. Please try again."
 msgstr ""
 
-#: src/Model/User.php:1259
+#: src/Model/User.php:1255
 msgid "An error occurred creating your self contact. Please try again."
 msgstr ""
 
-#: src/Model/User.php:1264
+#: src/Model/User.php:1260
 msgid "Friends"
 msgstr ""
 
-#: src/Model/User.php:1268
+#: src/Model/User.php:1264
 msgid ""
 "An error occurred creating your default contact circle. Please try again."
 msgstr ""
 
-#: src/Model/User.php:1312
+#: src/Model/User.php:1308
 msgid "Profile Photos"
 msgstr ""
 
-#: src/Model/User.php:1492
+#: src/Model/User.php:1488
 #, php-format
 msgid ""
 "\n"
@@ -3636,7 +3636,7 @@ msgid ""
 "\t\t\tthe administrator of %2$s has set up an account for you."
 msgstr ""
 
-#: src/Model/User.php:1495
+#: src/Model/User.php:1491
 #, php-format
 msgid ""
 "\n"
@@ -3674,12 +3674,12 @@ msgid ""
 "\t\tThank you and welcome to %4$s."
 msgstr ""
 
-#: src/Model/User.php:1528 src/Model/User.php:1635
+#: src/Model/User.php:1524 src/Model/User.php:1631
 #, php-format
 msgid "Registration details for %s"
 msgstr ""
 
-#: src/Model/User.php:1548
+#: src/Model/User.php:1544
 #, php-format
 msgid ""
 "\n"
@@ -3695,12 +3695,12 @@ msgid ""
 "\t\t"
 msgstr ""
 
-#: src/Model/User.php:1567
+#: src/Model/User.php:1563
 #, php-format
 msgid "Registration at %s"
 msgstr ""
 
-#: src/Model/User.php:1591
+#: src/Model/User.php:1587
 #, php-format
 msgid ""
 "\n"
@@ -3709,7 +3709,7 @@ msgid ""
 "\t\t\t"
 msgstr ""
 
-#: src/Model/User.php:1599
+#: src/Model/User.php:1595
 #, php-format
 msgid ""
 "\n"
@@ -6526,77 +6526,85 @@ msgstr ""
 msgid "Unable to unfollow this contact, please contact your administrator"
 msgstr ""
 
-#: src/Module/Conversation/Channel.php:130
+#: src/Module/Conversation/Channel.php:132
 msgid "For you"
 msgstr ""
 
-#: src/Module/Conversation/Channel.php:133
+#: src/Module/Conversation/Channel.php:135
 msgid "Posts from contacts you interact with and who interact with you"
 msgstr ""
 
-#: src/Module/Conversation/Channel.php:139
+#: src/Module/Conversation/Channel.php:141
 msgid "What's Hot"
 msgstr ""
 
-#: src/Module/Conversation/Channel.php:142
+#: src/Module/Conversation/Channel.php:144
 msgid "Posts with a lot of interactions"
 msgstr ""
 
-#: src/Module/Conversation/Channel.php:154
+#: src/Module/Conversation/Channel.php:156
 #, php-format
 msgid "Posts in %s"
 msgstr ""
 
-#: src/Module/Conversation/Channel.php:163
+#: src/Module/Conversation/Channel.php:165
 msgid "Posts from your followers that you don't follow"
 msgstr ""
 
-#: src/Module/Conversation/Channel.php:169
-msgid "Images"
+#: src/Module/Conversation/Channel.php:171
+msgid "Sharers of sharers"
 msgstr ""
 
-#: src/Module/Conversation/Channel.php:172
-msgid "Posts with images"
-msgstr ""
-
-#: src/Module/Conversation/Channel.php:178
-msgid "Audio"
+#: src/Module/Conversation/Channel.php:174
+msgid "Posts from accounts that are followed by accounts that you follow"
 msgstr ""
 
 #: src/Module/Conversation/Channel.php:181
-msgid "Posts with audio"
+msgid "Images"
 msgstr ""
 
-#: src/Module/Conversation/Channel.php:187
-msgid "Videos"
+#: src/Module/Conversation/Channel.php:184
+msgid "Posts with images"
 msgstr ""
 
 #: src/Module/Conversation/Channel.php:190
+msgid "Audio"
+msgstr ""
+
+#: src/Module/Conversation/Channel.php:193
+msgid "Posts with audio"
+msgstr ""
+
+#: src/Module/Conversation/Channel.php:199
+msgid "Videos"
+msgstr ""
+
+#: src/Module/Conversation/Channel.php:202
 msgid "Posts with videos"
 msgstr ""
 
-#: src/Module/Conversation/Channel.php:222
+#: src/Module/Conversation/Channel.php:234
 #: src/Module/Conversation/Community.php:134
 msgid "Own Contacts"
 msgstr ""
 
-#: src/Module/Conversation/Channel.php:226
+#: src/Module/Conversation/Channel.php:238
 #: src/Module/Conversation/Community.php:138
 msgid "Include"
 msgstr ""
 
-#: src/Module/Conversation/Channel.php:227
+#: src/Module/Conversation/Channel.php:239
 #: src/Module/Conversation/Community.php:139
 msgid "Hide"
 msgstr ""
 
-#: src/Module/Conversation/Channel.php:243
+#: src/Module/Conversation/Channel.php:255
 #: src/Module/Conversation/Community.php:157 src/Module/Search/Index.php:152
 #: src/Module/Search/Index.php:194
 msgid "No results."
 msgstr ""
 
-#: src/Module/Conversation/Channel.php:283
+#: src/Module/Conversation/Channel.php:295
 msgid "Channel not available."
 msgstr ""