diff --git a/src/Module/Conversation/Channel.php b/src/Module/Conversation/Channel.php
index d32d9708c0..ae570ba1de 100644
--- a/src/Module/Conversation/Channel.php
+++ b/src/Module/Conversation/Channel.php
@@ -95,21 +95,21 @@ class Channel extends Timeline
 
 			Nav::setSelected('channel');
 
-			$this->page['aside'] .= Widget::accountTypes('channel/' . self::$selectedTab, self::$accountTypeString);
+			$this->page['aside'] .= Widget::accountTypes('channel/' . $this->selectedTab, $this->accountTypeString);
 
-			if (!in_array(self::$selectedTab, [TimelineEntity::FOLLOWERS, TimelineEntity::FORYOU]) && $this->config->get('system', 'community_no_sharer')) {
+			if (!in_array($this->selectedTab, [TimelineEntity::FOLLOWERS, TimelineEntity::FORYOU]) && $this->config->get('system', 'community_no_sharer')) {
 				$this->page['aside'] .= $this->getNoSharerWidget('channel');
 			}
 
 			if (Feature::isEnabled($this->session->getLocalUserId(), 'trending_tags')) {
-				$this->page['aside'] .= TrendingTags::getHTML(self::$selectedTab);
+				$this->page['aside'] .= TrendingTags::getHTML($this->selectedTab);
 			}
 
 			// We need the editor here to be able to reshare an item.
 			$o .= $this->conversation->statusEditor([], 0, true);
 		}
 
-		if ($this->timeline->isChannel(self::$selectedTab)) {
+		if ($this->timeline->isChannel($this->selectedTab)) {
 			$items = $this->getChannelItems();
 			$order = 'created';
 		} else {
@@ -129,7 +129,7 @@ class Channel extends Timeline
 			$this->args->getQueryString(),
 			$items[0][$order],
 			$items[count($items) - 1][$order],
-			self::$itemsPerPage
+			$this->itemsPerPage
 		);
 
 		if ($this->pConfig->get($this->session->getLocalUserId(), 'system', 'infinite_scroll')) {
@@ -151,14 +151,14 @@ class Channel extends Timeline
 	{
 		parent::parseRequest($request);
 
-		if (!self::$selectedTab) {
-			self::$selectedTab = TimelineEntity::FORYOU;
+		if (!$this->selectedTab) {
+			$this->selectedTab = TimelineEntity::FORYOU;
 		}
 
-		if (!$this->timeline->isChannel(self::$selectedTab) && !$this->timeline->isCommunity(self::$selectedTab)) {
+		if (!$this->timeline->isChannel($this->selectedTab) && !$this->timeline->isCommunity($this->selectedTab)) {
 			throw new HTTPException\BadRequestException($this->l10n->t('Channel not available.'));
 		}
 
-		self::$max_id = $request['last_created'] ?? self::$max_id;
+		$this->max_id = $request['last_created'] ?? $this->max_id;
 	}
 }
diff --git a/src/Module/Conversation/Community.php b/src/Module/Conversation/Community.php
index e5ec2bd659..adaf5bc111 100644
--- a/src/Module/Conversation/Community.php
+++ b/src/Module/Conversation/Community.php
@@ -58,7 +58,7 @@ class Community extends Timeline
 	const GLOBAL           = 1;
 	const LOCAL_AND_GLOBAL = 2;
 
-	protected static $page_style;
+	protected $pageStyle;
 
 	/** @var TimelineFactory */
 	protected $timeline;
@@ -87,7 +87,7 @@ class Community extends Timeline
 		$o = Renderer::replaceMacros($t, [
 			'$content' => '',
 			'$header' => '',
-			'$show_global_community_hint' => (self::$selectedTab == TimelineEntity::GLOBAL) && $this->config->get('system', 'show_global_community_hint'),
+			'$show_global_community_hint' => ($this->selectedTab == TimelineEntity::GLOBAL) && $this->config->get('system', 'show_global_community_hint'),
 			'$global_community_hint' => $this->l10n->t("This community stream shows all public posts received by this node. They may not reflect the opinions of this node’s users.")
 		]);
 
@@ -103,14 +103,14 @@ class Community extends Timeline
 
 			Nav::setSelected('community');
 
-			$this->page['aside'] .= Widget::accountTypes('community/' . self::$selectedTab, self::$accountTypeString);
+			$this->page['aside'] .= Widget::accountTypes('community/' . $this->selectedTab, $this->accountTypeString);
 
 			if ($this->session->getLocalUserId() && $this->config->get('system', 'community_no_sharer')) {
 				$this->page['aside'] .= $this->getNoSharerWidget('community');
 			}
 
 			if (Feature::isEnabled($this->session->getLocalUserId(), 'trending_tags')) {
-				$this->page['aside'] .= TrendingTags::getHTML(self::$selectedTab);
+				$this->page['aside'] .= TrendingTags::getHTML($this->selectedTab);
 			}
 
 			// We need the editor here to be able to reshare an item.
@@ -133,7 +133,7 @@ class Community extends Timeline
 			$this->args->getQueryString(),
 			$items[0]['commented'],
 			$items[count($items) - 1]['commented'],
-			self::$itemsPerPage
+			$this->itemsPerPage
 		);
 
 		if ($this->pConfig->get($this->session->getLocalUserId(), 'system', 'infinite_scroll')) {
@@ -159,36 +159,36 @@ class Community extends Timeline
 			throw new HTTPException\ForbiddenException($this->l10n->t('Public access denied.'));
 		}
 
-		self::$page_style = $this->config->get('system', 'community_page_style');
+		$this->pageStyle = $this->config->get('system', 'community_page_style');
 
-		if (self::$page_style == self::DISABLED) {
+		if ($this->pageStyle == self::DISABLED) {
 			throw new HTTPException\ForbiddenException($this->l10n->t('Access denied.'));
 		}
 
-		if (!self::$selectedTab) {
+		if (!$this->selectedTab) {
 			if (!empty($this->config->get('system', 'singleuser'))) {
 				// On single user systems only the global page does make sense
-				self::$selectedTab = TimelineEntity::GLOBAL;
+				$this->selectedTab = TimelineEntity::GLOBAL;
 			} else {
 				// When only the global community is allowed, we use this as default
-				self::$selectedTab = self::$page_style == self::GLOBAL ? TimelineEntity::GLOBAL : TimelineEntity::LOCAL;
+				$this->selectedTab = $this->pageStyle == self::GLOBAL ? TimelineEntity::GLOBAL : TimelineEntity::LOCAL;
 			}
 		}
 
-		if (!$this->timeline->isCommunity(self::$selectedTab)) {
+		if (!$this->timeline->isCommunity($this->selectedTab)) {
 			throw new HTTPException\BadRequestException($this->l10n->t('Community option not available.'));
 		}
 
 		// Check if we are allowed to display the content to visitors
 		if (!$this->session->isAuthenticated()) {
-			$available = self::$page_style == self::LOCAL_AND_GLOBAL;
+			$available = $this->pageStyle == self::LOCAL_AND_GLOBAL;
 
 			if (!$available) {
-				$available = (self::$page_style == self::LOCAL) && (self::$selectedTab == TimelineEntity::LOCAL);
+				$available = ($this->pageStyle == self::LOCAL) && ($this->selectedTab == TimelineEntity::LOCAL);
 			}
 
 			if (!$available) {
-				$available = (self::$page_style == self::GLOBAL) && (self::$selectedTab == TimelineEntity::GLOBAL);
+				$available = ($this->pageStyle == self::GLOBAL) && ($this->selectedTab == TimelineEntity::GLOBAL);
 			}
 
 			if (!$available) {
@@ -196,6 +196,6 @@ class Community extends Timeline
 			}
 		}
 
-		self::$max_id = $request['last_commented'] ?? self::$max_id;
+		$this->max_id = $request['last_commented'] ?? $this->max_id;
 	}
 }
diff --git a/src/Module/Conversation/Network.php b/src/Module/Conversation/Network.php
index cd24a7d77c..cbe15e3b5b 100644
--- a/src/Module/Conversation/Network.php
+++ b/src/Module/Conversation/Network.php
@@ -116,30 +116,30 @@ class Network extends Timeline
 
 		$module = 'network';
 
-		$this->page['aside'] .= Widget::accountTypes($module, self::$accountTypeString);
+		$this->page['aside'] .= Widget::accountTypes($module, $this->accountTypeString);
 
 		$arr = ['query' => $this->args->getQueryString()];
 		Hook::callAll('network_content_init', $arr);
 
 		$o = '';
 
-		if ($this->timeline->isChannel(self::$selectedTab)) {
-			if (!in_array(self::$selectedTab, [TimelineEntity::FOLLOWERS, TimelineEntity::FORYOU]) && $this->config->get('system', 'community_no_sharer')) {
+		if ($this->timeline->isChannel($this->selectedTab)) {
+			if (!in_array($this->selectedTab, [TimelineEntity::FOLLOWERS, TimelineEntity::FORYOU]) && $this->config->get('system', 'community_no_sharer')) {
 				$this->page['aside'] .= $this->getNoSharerWidget($module);
 			}
 
 			if (Feature::isEnabled($this->session->getLocalUserId(), 'trending_tags')) {
-				$this->page['aside'] .= TrendingTags::getHTML(self::$selectedTab);
+				$this->page['aside'] .= TrendingTags::getHTML($this->selectedTab);
 			}
 
 			$items = $this->getChannelItems();
-		} elseif ($this->timeline->isCommunity(self::$selectedTab)) {
+		} elseif ($this->timeline->isCommunity($this->selectedTab)) {
 			if ($this->session->getLocalUserId() && $this->config->get('system', 'community_no_sharer')) {
 				$this->page['aside'] .= $this->getNoSharerWidget($module);
 			}
 
 			if (Feature::isEnabled($this->session->getLocalUserId(), 'trending_tags')) {
-				$this->page['aside'] .= TrendingTags::getHTML(self::$selectedTab);
+				$this->page['aside'] .= TrendingTags::getHTML($this->selectedTab);
 			}
 
 			$items = $this->getCommunityItems();
@@ -152,7 +152,7 @@ class Network extends Timeline
 			$this->page['aside'] .= Widget::fileAs('filed', '');
 
 			// Fetch a page full of parent items for this page
-			$params = ['limit' => self::$itemsPerPage];
+			$params = ['limit' => $this->itemsPerPage];
 			$table = 'network-thread-view';
 
 			$items = $this->getItems($table, $params);
@@ -260,7 +260,7 @@ class Network extends Timeline
 				$this->args->getQueryString(),
 				$items[0][self::$order] ?? null,
 				$items[count($items) - 1][self::$order] ?? null,
-				self::$itemsPerPage
+				$this->itemsPerPage
 			);
 
 			$o .= $pager->renderMinimal(count($items));
@@ -316,51 +316,51 @@ class Network extends Timeline
 
 		self::$groupContactId = (int)($this->parameters['contact_id'] ?? 0);
 
-		if (!self::$selectedTab) {
-			self::$selectedTab = self::getTimelineOrderBySession(DI::userSession(), $this->pConfig);
-		} elseif (!$this->timeline->isChannel(self::$selectedTab) && !$this->timeline->isCommunity(self::$selectedTab)) {
+		if (!$this->selectedTab) {
+			$this->selectedTab = self::getTimelineOrderBySession(DI::userSession(), $this->pConfig);
+		} elseif (!$this->timeline->isChannel($this->selectedTab) && !$this->timeline->isCommunity($this->selectedTab)) {
 			throw new HTTPException\BadRequestException($this->l10n->t('Network feed not available.'));
 		}
 
 
 		if (!empty($request['star'])) {
-			self::$selectedTab = TimelineEntity::STAR;
+			$this->selectedTab = TimelineEntity::STAR;
 			self::$star = true;
 		} else {
-			self::$star = self::$selectedTab == TimelineEntity::STAR;
+			self::$star = $this->selectedTab == TimelineEntity::STAR;
 		}
 
 		if (!empty($request['mention'])) {
-			self::$selectedTab = TimelineEntity::MENTION;
+			$this->selectedTab = TimelineEntity::MENTION;
 			self::$mention = true;
 		} else {
-			self::$mention = self::$selectedTab == TimelineEntity::MENTION;
+			self::$mention = $this->selectedTab == TimelineEntity::MENTION;
 		}
 
 		if (!empty($request['order'])) {
-			self::$selectedTab = $request['order'];
+			$this->selectedTab = $request['order'];
 			self::$order = $request['order'];
 			self::$star = false;
 			self::$mention = false;
-		} elseif (in_array(self::$selectedTab, [TimelineEntity::RECEIVED, TimelineEntity::STAR])) {
+		} elseif (in_array($this->selectedTab, [TimelineEntity::RECEIVED, TimelineEntity::STAR])) {
 			self::$order = 'received';
-		} elseif ((self::$selectedTab == TimelineEntity::CREATED) || $this->timeline->isChannel(self::$selectedTab)) {
+		} elseif (($this->selectedTab == TimelineEntity::CREATED) || $this->timeline->isChannel($this->selectedTab)) {
 			self::$order = 'created';
 		} else {
 			self::$order = 'commented';
 		}
 
-		self::$selectedTab = self::$selectedTab ?? self::$order;
+		$this->selectedTab = $this->selectedTab ?? self::$order;
 
 		// Prohibit combined usage of "star" and "mention"
-		if (self::$selectedTab == TimelineEntity::STAR) {
+		if ($this->selectedTab == TimelineEntity::STAR) {
 			self::$mention = false;
-		} elseif (self::$selectedTab == TimelineEntity::MENTION) {
+		} elseif ($this->selectedTab == TimelineEntity::MENTION) {
 			self::$star = false;
 		}
 
-		$this->session->set('network-tab', self::$selectedTab);
-		$this->pConfig->set($this->session->getLocalUserId(), 'network.view', 'selected_tab', self::$selectedTab);
+		$this->session->set('network-tab', $this->selectedTab);
+		$this->pConfig->set($this->session->getLocalUserId(), 'network.view', 'selected_tab', $this->selectedTab);
 
 		self::$network = $request['nets'] ?? '';
 
@@ -369,17 +369,17 @@ class Network extends Timeline
 
 		switch (self::$order) {
 			case 'received':
-				self::$max_id = $request['last_received'] ?? self::$max_id;
+				$this->max_id = $request['last_received'] ?? $this->max_id;
 				break;
 			case 'created':
-				self::$max_id = $request['last_created'] ?? self::$max_id;
+				$this->max_id = $request['last_created'] ?? $this->max_id;
 				break;
 			case 'uriid':
-				self::$max_id = $request['last_uriid'] ?? self::$max_id;
+				$this->max_id = $request['last_uriid'] ?? $this->max_id;
 				break;
 			default:
 				self::$order = 'commented';
-				self::$max_id = $request['last_commented'] ?? self::$max_id;
+				$this->max_id = $request['last_commented'] ?? $this->max_id;
 		}
 	}
 
@@ -388,8 +388,8 @@ class Network extends Timeline
 		$conditionFields['uid'] = $this->session->getLocalUserId();
 		$conditionStrings = [];
 
-		if (!is_null(self::$accountType)) {
-			$conditionFields['contact-type'] = self::$accountType;
+		if (!is_null($this->accountType)) {
+			$conditionFields['contact-type'] = $this->accountType;
 		}
 
 		if (self::$star) {
@@ -418,45 +418,45 @@ class Network extends Timeline
 		}
 
 		// Currently only the order modes "received" and "commented" are in use
-		if (!empty(self::$item_uri_id)) {
-			$conditionStrings = DBA::mergeConditions($conditionStrings, ['uri-id' => self::$item_uri_id]);
+		if (!empty($this->itemUriId)) {
+			$conditionStrings = DBA::mergeConditions($conditionStrings, ['uri-id' => $this->itemUriId]);
 		} else {
-			if (isset(self::$max_id)) {
+			if (isset($this->max_id)) {
 				switch (self::$order) {
 					case 'received':
-						$conditionStrings = DBA::mergeConditions($conditionStrings, ["`received` < ?", self::$max_id]);
+						$conditionStrings = DBA::mergeConditions($conditionStrings, ["`received` < ?", $this->max_id]);
 						break;
 					case 'commented':
-						$conditionStrings = DBA::mergeConditions($conditionStrings, ["`commented` < ?", self::$max_id]);
+						$conditionStrings = DBA::mergeConditions($conditionStrings, ["`commented` < ?", $this->max_id]);
 						break;
 					case 'created':
-						$conditionStrings = DBA::mergeConditions($conditionStrings, ["`created` < ?", self::$max_id]);
+						$conditionStrings = DBA::mergeConditions($conditionStrings, ["`created` < ?", $this->max_id]);
 						break;
 					case 'uriid':
-						$conditionStrings = DBA::mergeConditions($conditionStrings, ["`uri-id` < ?", self::$max_id]);
+						$conditionStrings = DBA::mergeConditions($conditionStrings, ["`uri-id` < ?", $this->max_id]);
 						break;
 				}
 			}
 
-			if (isset(self::$min_id)) {
+			if (isset($this->min_id)) {
 				switch (self::$order) {
 					case 'received':
-						$conditionStrings = DBA::mergeConditions($conditionStrings, ["`received` > ?", self::$min_id]);
+						$conditionStrings = DBA::mergeConditions($conditionStrings, ["`received` > ?", $this->min_id]);
 						break;
 					case 'commented':
-						$conditionStrings = DBA::mergeConditions($conditionStrings, ["`commented` > ?", self::$min_id]);
+						$conditionStrings = DBA::mergeConditions($conditionStrings, ["`commented` > ?", $this->min_id]);
 						break;
 					case 'created':
-						$conditionStrings = DBA::mergeConditions($conditionStrings, ["`created` > ?", self::$min_id]);
+						$conditionStrings = DBA::mergeConditions($conditionStrings, ["`created` > ?", $this->min_id]);
 						break;
 					case 'uriid':
-						$conditionStrings = DBA::mergeConditions($conditionStrings, ["`uri-id` > ?", self::$min_id]);
+						$conditionStrings = DBA::mergeConditions($conditionStrings, ["`uri-id` > ?", $this->min_id]);
 						break;
 				}
 			}
 		}
 
-		if (isset(self::$min_id) && !isset(self::$max_id)) {
+		if (isset($this->min_id) && !isset($this->max_id)) {
 			// min_id quirk: querying in reverse order with min_id gets the most recent rows, regardless of how close
 			// they are to min_id. We change the query ordering to get the expected data, and we need to reverse the
 			// order of the results.
@@ -468,7 +468,7 @@ class Network extends Timeline
 		$items = DBA::selectToArray($table, [], DBA::mergeConditions($conditionFields, $conditionStrings), $params);
 
 		// min_id quirk, continued
-		if (isset(self::$min_id) && !isset(self::$max_id)) {
+		if (isset($this->min_id) && !isset($this->max_id)) {
 			$items = array_reverse($items);
 		}
 
diff --git a/src/Module/Conversation/Timeline.php b/src/Module/Conversation/Timeline.php
index 881e974bd2..8f97a38d8d 100644
--- a/src/Module/Conversation/Timeline.php
+++ b/src/Module/Conversation/Timeline.php
@@ -47,23 +47,21 @@ use Psr\Log\LoggerInterface;
 class Timeline extends BaseModule
 {
 	/** @var string */
-	protected static $selectedTab;
+	protected $selectedTab;
 	/** @var mixed */
-	protected static $min_id;
+	protected $min_id;
 	/** @var mixed */
-	protected static $max_id;
+	protected $max_id;
 	/** @var string */
-	protected static $accountTypeString;
+	protected $accountTypeString;
 	/** @var int */
-	protected static $accountType;
+	protected $accountType;
 	/** @var int */
-	protected static $item_id;
+	protected $itemUriId;
 	/** @var int */
-	protected static $item_uri_id;
-	/** @var int */
-	protected static $itemsPerPage;
+	protected $itemsPerPage;
 	/** @var bool */
-	protected static $no_sharer;
+	protected $noSharer;
 
 	/** @var App\Mode $mode */
 	protected $mode;
@@ -99,20 +97,20 @@ class Timeline extends BaseModule
 	protected function parseRequest(array $request)
 	{
 		$this->logger->debug('Got request', $request);
-		self::$selectedTab = $this->parameters['content'] ?? '';
+		$this->selectedTab = $this->parameters['content'] ?? '';
 
-		self::$accountTypeString = $request['accounttype'] ?? $this->parameters['accounttype'] ?? '';
-		self::$accountType       = User::getAccountTypeByString(self::$accountTypeString);
+		$this->accountTypeString = $request['accounttype'] ?? $this->parameters['accounttype'] ?? '';
+		$this->accountType       = User::getAccountTypeByString($this->accountTypeString);
 
 		if ($this->mode->isMobile()) {
-			self::$itemsPerPage = $this->pConfig->get(
+			$this->itemsPerPage = $this->pConfig->get(
 				$this->session->getLocalUserId(),
 				'system',
 				'itemspage_mobile_network',
 				$this->config->get('system', 'itemspage_network_mobile')
 			);
 		} else {
-			self::$itemsPerPage = $this->pConfig->get(
+			$this->itemsPerPage = $this->pConfig->get(
 				$this->session->getLocalUserId(),
 				'system',
 				'itemspage_network',
@@ -122,32 +120,30 @@ class Timeline extends BaseModule
 
 		if (!empty($request['item'])) {
 			$item = Post::selectFirst(['parent', 'parent-uri-id'], ['id' => $request['item']]);
-			self::$item_id     = $item['parent'] ?? 0;
-			self::$item_uri_id = $item['parent-uri-id'] ?? 0;
+			$this->itemUriId = $item['parent-uri-id'] ?? 0;
 		} else {
-			self::$item_id     = 0;
-			self::$item_uri_id = 0;
+			$this->itemUriId = 0;
 		}
 
-		self::$min_id = $request['min_id'] ?? null;
-		self::$max_id = $request['max_id'] ?? null;
+		$this->min_id = $request['min_id'] ?? null;
+		$this->max_id = $request['max_id'] ?? null;
 
-		self::$no_sharer = !empty($request['no_sharer']);
+		$this->noSharer = !empty($request['no_sharer']);
 	}
 
 	protected function getNoSharerWidget(string $base): string
 	{
-		$path = self::$selectedTab;
-		if (!empty(self::$accountTypeString)) {
-			$path .= '/' . self::$accountTypeString;
+		$path = $this->selectedTab;
+		if (!empty($this->accountTypeString)) {
+			$path .= '/' . $this->accountTypeString;
 		}
 		$query_parameters = [];
 
-		if (!empty(self::$min_id)) {
-			$query_parameters['min_id'] = self::$min_id;
+		if (!empty($this->min_id)) {
+			$query_parameters['min_id'] = $this->min_id;
 		}
-		if (!empty(self::$max_id)) {
-			$query_parameters['max_id'] = self::$max_id;
+		if (!empty($this->max_id)) {
+			$query_parameters['max_id'] = $this->max_id;
 		}
 
 		$path_all       = $path . (!empty($query_parameters) ? '?' . http_build_query($query_parameters) : '');
@@ -156,7 +152,7 @@ class Timeline extends BaseModule
 			'$title'           => $this->l10n->t('Own Contacts'),
 			'$path_all'        => $path_all,
 			'$path_no_sharer'  => $path_no_sharer,
-			'$no_sharer'       => self::$no_sharer,
+			'$no_sharer'       => $this->noSharer,
 			'$all'             => $this->l10n->t('Include'),
 			'$no_sharer_label' => $this->l10n->t('Hide'),
 			'$base'            => $base,
@@ -171,7 +167,7 @@ class Timeline extends BaseModule
 			$tabs[] = [
 				'label'     => $tab->label,
 				'url'       => $tab->path ?? $prefix . '/' . $tab->code,
-				'sel'       => self::$selectedTab == $tab->code ? 'active' : '',
+				'sel'       => $this->selectedTab == $tab->code ? 'active' : '',
 				'title'     => $tab->description,
 				'id'        => $prefix . '-' . $tab->code . '-tab',
 				'accesskey' => $tab->accessKey,
@@ -190,13 +186,13 @@ class Timeline extends BaseModule
 	{
 		$uid = $this->session->getLocalUserId();
 
-		if (self::$selectedTab == TimelineEntity::WHATSHOT) {
-			if (!is_null(self::$accountType)) {
-				$condition = ["(`comments` >= ? OR `activities` >= ?) AND `contact-type` = ?", $this->getMedianComments($uid, 4), $this->getMedianActivities($uid, 4), self::$accountType];
+		if ($this->selectedTab == TimelineEntity::WHATSHOT) {
+			if (!is_null($this->accountType)) {
+				$condition = ["(`comments` >= ? OR `activities` >= ?) AND `contact-type` = ?", $this->getMedianComments($uid, 4), $this->getMedianActivities($uid, 4), $this->accountType];
 			} else {
 				$condition = ["(`comments` >= ? OR `activities` >= ?) AND `contact-type` != ?", $this->getMedianComments($uid, 4), $this->getMedianActivities($uid, 4), Contact::TYPE_COMMUNITY];
 			}
-		} elseif (self::$selectedTab == TimelineEntity::FORYOU) {
+		} elseif ($this->selectedTab == TimelineEntity::FORYOU) {
 			$cid = Contact::getPublicIdByUserId($uid);
 
 			$condition = [
@@ -206,9 +202,9 @@ class Timeline extends BaseModule
 				$cid, $this->getMedianRelationThreadScore($cid, 4), $this->getMedianComments($uid, 4), $this->getMedianActivities($uid, 4), $cid,
 				$uid, Contact::FRIEND, Contact::SHARING
 			];
-		} elseif (self::$selectedTab == TimelineEntity::FOLLOWERS) {
+		} elseif ($this->selectedTab == TimelineEntity::FOLLOWERS) {
 			$condition = ["`owner-id` IN (SELECT `pid` FROM `account-user-view` WHERE `uid` = ? AND `rel` = ?)", $uid, Contact::FOLLOWER];
-		} elseif (self::$selectedTab == TimelineEntity::SHARERSOFSHARERS) {
+		} elseif ($this->selectedTab == TimelineEntity::SHARERSOFSHARERS) {
 			$cid = Contact::getPublicIdByUserId($uid);
 
 			// @todo Suggest posts from contacts that are followed most by our followers
@@ -218,44 +214,44 @@ class Timeline extends BaseModule
 				AND NOT `cid` IN (SELECT `cid` FROM `contact-relation` WHERE `follows` AND `relation-cid` = ?))",
 				DateTimeFormat::utc('now - ' . $this->config->get('channel', 'sharer_interaction_days') . ' day'), $cid, $this->getMedianRelationThreadScore($cid, 4), $cid
 			];
-		} elseif (self::$selectedTab == TimelineEntity::IMAGE) {
+		} elseif ($this->selectedTab == TimelineEntity::IMAGE) {
 			$condition = ["`media-type` & ?", 1];
-		} elseif (self::$selectedTab == TimelineEntity::VIDEO) {
+		} elseif ($this->selectedTab == TimelineEntity::VIDEO) {
 			$condition = ["`media-type` & ?", 2];
-		} elseif (self::$selectedTab == TimelineEntity::AUDIO) {
+		} elseif ($this->selectedTab == TimelineEntity::AUDIO) {
 			$condition = ["`media-type` & ?", 4];
-		} elseif (self::$selectedTab == TimelineEntity::LANGUAGE) {
+		} elseif ($this->selectedTab == TimelineEntity::LANGUAGE) {
 			$condition = ["JSON_EXTRACT(JSON_KEYS(language), '$[0]') = ?", $this->l10n->convertCodeForLanguageDetection(User::getLanguageCode($uid))];
 		}
 
-		if (self::$selectedTab != TimelineEntity::LANGUAGE) {
+		if ($this->selectedTab != TimelineEntity::LANGUAGE) {
 			$condition = $this->addLanguageCondition($uid, $condition);
 		}
 
 		$condition = DBA::mergeConditions($condition, ["NOT EXISTS(SELECT `cid` FROM `user-contact` WHERE `uid` = ? AND `cid` = `post-engagement`.`owner-id` AND (`ignored` OR `blocked` OR `collapsed`))", $uid]);
 
-		if ((self::$selectedTab != TimelineEntity::WHATSHOT) && !is_null(self::$accountType)) {
-			$condition = DBA::mergeConditions($condition, ['contact-type' => self::$accountType]);
+		if (($this->selectedTab != TimelineEntity::WHATSHOT) && !is_null($this->accountType)) {
+			$condition = DBA::mergeConditions($condition, ['contact-type' => $this->accountType]);
 		}
 
-		$params = ['order' => ['created' => true], 'limit' => self::$itemsPerPage];
+		$params = ['order' => ['created' => true], 'limit' => $this->itemsPerPage];
 
-		if (!empty(self::$item_uri_id)) {
-			$condition = DBA::mergeConditions($condition, ['uri-id' => self::$item_uri_id]);
+		if (!empty($this->itemUriId)) {
+			$condition = DBA::mergeConditions($condition, ['uri-id' => $this->itemUriId]);
 		} else {
-			if (self::$no_sharer) {
+			if ($this->noSharer) {
 				$condition = DBA::mergeConditions($condition, ["NOT `uri-id` IN (SELECT `uri-id` FROM `post-user` WHERE `post-user`.`uid` = ? AND `post-user`.`uri-id` = `post-engagement`.`uri-id`)", $this->session->getLocalUserId()]);
 			}
 
-			if (isset(self::$max_id)) {
-				$condition = DBA::mergeConditions($condition, ["`created` < ?", self::$max_id]);
+			if (isset($this->max_id)) {
+				$condition = DBA::mergeConditions($condition, ["`created` < ?", $this->max_id]);
 			}
 
-			if (isset(self::$min_id)) {
-				$condition = DBA::mergeConditions($condition, ["`created` > ?", self::$min_id]);
+			if (isset($this->min_id)) {
+				$condition = DBA::mergeConditions($condition, ["`created` > ?", $this->min_id]);
 
 				// Previous page case: we want the items closest to min_id but for that we need to reverse the query order
-				if (!isset(self::$max_id)) {
+				if (!isset($this->max_id)) {
 					$params['order']['created'] = false;
 				}
 			}
@@ -267,7 +263,7 @@ class Timeline extends BaseModule
 		}
 
 		// Previous page case: once we get the relevant items closest to min_id, we need to restore the expected display order
-		if (empty(self::$item_uri_id) && isset(self::$min_id) && !isset(self::$max_id)) {
+		if (empty($this->itemUriId) && isset($this->min_id) && !isset($this->max_id)) {
 			$items = array_reverse($items);
 		}
 
@@ -375,13 +371,13 @@ class Timeline extends BaseModule
 		$items = $this->selectItems();
 
 		$maxpostperauthor = (int) $this->config->get('system', 'max_author_posts_community_page');
-		if ($maxpostperauthor != 0 && self::$selectedTab == 'local') {
+		if ($maxpostperauthor != 0 && $this->selectedTab == 'local') {
 			$count          = 1;
 			$previousauthor = '';
 			$numposts       = 0;
 			$selected_items = [];
 
-			while (count($selected_items) < self::$itemsPerPage && ++$count < 50 && count($items) > 0) {
+			while (count($selected_items) < $this->itemsPerPage && ++$count < 50 && count($items) > 0) {
 				foreach ($items as $item) {
 					if ($previousauthor == $item["author-link"]) {
 						++$numposts;
@@ -390,18 +386,18 @@ class Timeline extends BaseModule
 					}
 					$previousauthor = $item["author-link"];
 
-					if (($numposts < $maxpostperauthor) && (count($selected_items) < self::$itemsPerPage)) {
+					if (($numposts < $maxpostperauthor) && (count($selected_items) < $this->itemsPerPage)) {
 						$selected_items[] = $item;
 					}
 				}
 
 				// If we're looking at a "previous page", the lookup continues forward in time because the list is
 				// sorted in chronologically decreasing order
-				if (isset(self::$min_id)) {
-					self::$min_id = $items[0]['commented'];
+				if (isset($this->min_id)) {
+					$this->min_id = $items[0]['commented'];
 				} else {
 					// In any other case, the lookup continues backwards in time
-					self::$max_id = $items[count($items) - 1]['commented'];
+					$this->max_id = $items[count($items) - 1]['commented'];
 				}
 
 				$items = $this->selectItems();
@@ -422,15 +418,15 @@ class Timeline extends BaseModule
 	 */
 	private function selectItems()
 	{
-		if (self::$selectedTab == 'local') {
-			if (!is_null(self::$accountType)) {
-				$condition = ["`wall` AND `origin` AND `private` = ? AND `owner-contact-type` = ?", Item::PUBLIC, self::$accountType];
+		if ($this->selectedTab == 'local') {
+			if (!is_null($this->accountType)) {
+				$condition = ["`wall` AND `origin` AND `private` = ? AND `owner-contact-type` = ?", Item::PUBLIC, $this->accountType];
 			} else {
 				$condition = ["`wall` AND `origin` AND `private` = ?", Item::PUBLIC];
 			}
-		} elseif (self::$selectedTab == 'global') {
-			if (!is_null(self::$accountType)) {
-				$condition = ["`uid` = ? AND `private` = ? AND `owner-contact-type` = ?", 0, Item::PUBLIC, self::$accountType];
+		} elseif ($this->selectedTab == 'global') {
+			if (!is_null($this->accountType)) {
+				$condition = ["`uid` = ? AND `private` = ? AND `owner-contact-type` = ?", 0, Item::PUBLIC, $this->accountType];
 			} else {
 				$condition = ["`uid` = ? AND `private` = ?", 0, Item::PUBLIC];
 			}
@@ -438,24 +434,24 @@ class Timeline extends BaseModule
 			return [];
 		}
 
-		$params = ['order' => ['commented' => true], 'limit' => self::$itemsPerPage];
+		$params = ['order' => ['commented' => true], 'limit' => $this->itemsPerPage];
 
-		if (!empty(self::$item_uri_id)) {
-			$condition = DBA::mergeConditions($condition, ['uri-id' => self::$item_uri_id]);
+		if (!empty($this->itemUriId)) {
+			$condition = DBA::mergeConditions($condition, ['uri-id' => $this->itemUriId]);
 		} else {
-			if ($this->session->getLocalUserId() && self::$no_sharer) {
+			if ($this->session->getLocalUserId() && $this->noSharer) {
 				$condition = DBA::mergeConditions($condition, ["NOT `uri-id` IN (SELECT `uri-id` FROM `post-user` WHERE `post-user`.`uid` = ? AND `post-user`.`uri-id` = `post-thread-user-view`.`uri-id`)", $this->session->getLocalUserId()]);
 			}
 
-			if (isset(self::$max_id)) {
-				$condition = DBA::mergeConditions($condition, ["`commented` < ?", self::$max_id]);
+			if (isset($this->max_id)) {
+				$condition = DBA::mergeConditions($condition, ["`commented` < ?", $this->max_id]);
 			}
 
-			if (isset(self::$min_id)) {
-				$condition = DBA::mergeConditions($condition, ["`commented` > ?", self::$min_id]);
+			if (isset($this->min_id)) {
+				$condition = DBA::mergeConditions($condition, ["`commented` > ?", $this->min_id]);
 
 				// Previous page case: we want the items closest to min_id but for that we need to reverse the query order
-				if (!isset(self::$max_id)) {
+				if (!isset($this->max_id)) {
 					$params['order']['commented'] = false;
 				}
 			}
@@ -469,7 +465,7 @@ class Timeline extends BaseModule
 		}
 
 		// Previous page case: once we get the relevant items closest to min_id, we need to restore the expected display order
-		if (empty(self::$item_uri_id) && isset(self::$min_id) && !isset(self::$max_id)) {
+		if (empty($this->itemUriId) && isset($this->min_id) && !isset($this->max_id)) {
 			$items = array_reverse($items);
 		}
 
diff --git a/src/Module/Update/Channel.php b/src/Module/Update/Channel.php
index 333c63b2de..a9d7ce751f 100644
--- a/src/Module/Update/Channel.php
+++ b/src/Module/Update/Channel.php
@@ -38,7 +38,7 @@ class Channel extends ChannelModule
 
 		$o = '';
 		if (!empty($request['force'])) {
-			if ($this->timeline->isChannel(self::$selectedTab)) {
+			if ($this->timeline->isChannel($this->selectedTab)) {
 				$items = $this->getChannelItems();
 			} else {
 				$items = $this->getCommunityItems();
diff --git a/src/Module/Update/Network.php b/src/Module/Update/Network.php
index 1a2ad17bac..d5d07589a8 100644
--- a/src/Module/Update/Network.php
+++ b/src/Module/Update/Network.php
@@ -65,7 +65,7 @@ class Network extends NetworkModule
 			$conditionFields['unseen'] = true;
 		}
 
-		$params = ['limit' => self::$itemsPerPage];
+		$params = ['limit' => $this->itemsPerPage];
 		$table = 'network-thread-view';
 
 		$items = $this->getItems($table, $params, $conditionFields);