diff --git a/mod/ping.php b/mod/ping.php
index 8e00ae31f1..1634ed725d 100644
--- a/mod/ping.php
+++ b/mod/ping.php
@@ -133,7 +133,7 @@ function ping_init(App $a)
 			exit();
 		}
 
-		$notifs = ping_get_notifications(local_user());
+		$notifications = ping_get_notifications(local_user());
 
 		$condition = ["`unseen` AND `uid` = ? AND NOT `origin` AND (`vid` != ? OR `vid` IS NULL)",
 			local_user(), Verb::getID(Activity::FOLLOW)];
@@ -263,8 +263,8 @@ function ping_init(App $a)
 		$data['birthdays']        = $birthdays;
 		$data['birthdays-today']  = $birthdays_today;
 
-		if (DBA::isResult($notifs)) {
-			foreach ($notifs as $notif) {
+		if (DBA::isResult($notifications)) {
+			foreach ($notifications as $notif) {
 				if ($notif['seen'] == 0) {
 					$sysnotify_count ++;
 				}
@@ -277,14 +277,14 @@ function ping_init(App $a)
 				$notif = [
 					'id'      => 0,
 					'href'    => DI::baseUrl() . '/notifications/intros/' . $intro['id'],
-					'name'    => $intro['name'],
+					'name'    => BBCode::convert($intro['name']),
 					'url'     => $intro['url'],
 					'photo'   => $intro['photo'],
 					'date'    => $intro['datetime'],
 					'seen'    => false,
 					'message' => DI::l10n()->t('{0} wants to be your friend'),
 				];
-				$notifs[] = $notif;
+				$notifications[] = $notif;
 			}
 		}
 
@@ -314,7 +314,7 @@ function ping_init(App $a)
 					'seen'    => false,
 					'message' => DI::l10n()->t('{0} and %d others requested registration', count($regs) - 1),
 				];
-				$notifs[] = $notif;
+				$notifications[] = $notif;
 			}
 		}
 
@@ -337,28 +337,16 @@ function ping_init(App $a)
 			}
 			return ($adate < $bdate) ? 1 : -1;
 		};
-		usort($notifs, $sort_function);
+		usort($notifications, $sort_function);
 
-		if (DBA::isResult($notifs)) {
-			foreach ($notifs as $notif) {
-				$contact = Contact::getByURL($notif['url'], false, ['micro', 'id', 'avatar']);
-				$notif['photo'] = Contact::getMicro($contact, $notif['photo']);
-
-				$local_time = DateTimeFormat::local($notif['date']);
-
-				$notifications[] = [
-					'id'        => $notif['id'],
-					'href'      => $notif['href'],
-					'name'      => $notif['name'],
-					'url'       => $notif['url'],
-					'photo'     => $notif['photo'],
-					'date'      => Temporal::getRelativeDate($notif['date']),
-					'message'   => $notif['message'],
-					'seen'      => $notif['seen'],
-					'timestamp' => strtotime($local_time)
-				];
+		array_walk($notifications, function (&$notification) {
+			if (empty($notification['photo'])) {
+				$contact = Contact::getByURL($notification['url'], false, ['micro', 'id', 'avatar']);
+				$notification['photo'] = Contact::getMicro($contact, $notif['photo']);
 			}
-		}
+
+			$notification['timestamp'] = DateTimeFormat::local($notification['date']);
+		});
 	}
 
 	$sysmsgs = [];
diff --git a/src/Model/Contact.php b/src/Model/Contact.php
index 656506d84d..80a5d93cb2 100644
--- a/src/Model/Contact.php
+++ b/src/Model/Contact.php
@@ -1113,7 +1113,7 @@ class Contact
 			$contact = self::selectFirst(['id'], ['nurl' => $urls, 'uid' => $uid]);
 			if (!empty($contact['id'])) {
 				$contact_id = $contact['id'];
-				Logger::info('Fetched id by url', ['cid' => $contact_id, 'uid' => $uid, 'url' => $url, 'probed_url' => $data['url'], 'alias' => $data['alias'], 'addr' => $data['addr']]);
+				Logger::info('Fetched id by url', ['cid' => $contact_id, 'uid' => $uid, 'url' => $url, 'data' => $data]);
 			}
 		}
 
diff --git a/src/Model/Item.php b/src/Model/Item.php
index 3ec57f33c6..4e0cc5cd0d 100644
--- a/src/Model/Item.php
+++ b/src/Model/Item.php
@@ -3972,12 +3972,12 @@ class Item
 
 		// The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
 		if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
-			Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
+			Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
 			return false;
 		}
 
 		if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
-			Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
+			Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
 			return false;
 		}
 
diff --git a/src/Module/Notifications/Introductions.php b/src/Module/Notifications/Introductions.php
index bd0445b07a..2a8a6ef44a 100644
--- a/src/Module/Notifications/Introductions.php
+++ b/src/Module/Notifications/Introductions.php
@@ -23,6 +23,7 @@ namespace Friendica\Module\Notifications;
 
 use Friendica\Content\ContactSelector;
 use Friendica\Content\Nav;
+use Friendica\Content\Text\BBCode;
 use Friendica\Core\Protocol;
 use Friendica\Core\Renderer;
 use Friendica\Database\DBA;
@@ -124,9 +125,11 @@ class Introductions extends BaseNotifications
 						$knowyou = '';
 					}
 
+					$convertedName = BBCode::convert($notification->getName());
+
 					$helptext  = DI::l10n()->t('Shall your connection be bidirectional or not?');
-					$helptext2 = DI::l10n()->t('Accepting %s as a friend allows %s to subscribe to your posts, and you will also receive updates from them in your news feed.', $notification->getName(), $notification->getName());
-					$helptext3 = DI::l10n()->t('Accepting %s as a subscriber allows them to subscribe to your posts, but you will not receive updates from them in your news feed.', $notification->getName());
+					$helptext2 = DI::l10n()->t('Accepting %s as a friend allows %s to subscribe to your posts, and you will also receive updates from them in your news feed.', $convertedName, $convertedName);
+					$helptext3 = DI::l10n()->t('Accepting %s as a subscriber allows them to subscribe to your posts, but you will not receive updates from them in your news feed.', $convertedName);
 		
 					$friend = ['duplex', DI::l10n()->t('Friend'), '1', $helptext2, true];
 					$follower = ['duplex', DI::l10n()->t('Subscriber'), '0', $helptext3, false];
diff --git a/src/Protocol/ActivityPub/Transmitter.php b/src/Protocol/ActivityPub/Transmitter.php
index 43a4384d4d..531a23a69b 100644
--- a/src/Protocol/ActivityPub/Transmitter.php
+++ b/src/Protocol/ActivityPub/Transmitter.php
@@ -719,7 +719,7 @@ class Transmitter
 				continue;
 			}
 
-			if ($isforum && ($contact['dfrn'] == Protocol::DFRN)) {
+			if ($isforum && ($contact['network'] == Protocol::DFRN)) {
 				continue;
 			}
 
diff --git a/src/Protocol/Diaspora.php b/src/Protocol/Diaspora.php
index 9e9f1a574b..7ab41eb52b 100644
--- a/src/Protocol/Diaspora.php
+++ b/src/Protocol/Diaspora.php
@@ -1565,7 +1565,6 @@ class Diaspora
 		$datarray["gravity"] = GRAVITY_COMMENT;
 
 		$datarray['thr-parent'] = $thr_parent ?: $toplevel_parent_item['uri'];
-		$datarray['parent-uri'] = $toplevel_parent_item['uri'];
 
 		$datarray["object-type"] = Activity\ObjectType::COMMENT;
 
@@ -1963,7 +1962,6 @@ class Diaspora
 		$datarray["verb"] = Activity::FOLLOW;
 		$datarray["gravity"] = GRAVITY_ACTIVITY;
 		$datarray['thr-parent'] = $toplevel_parent_item['uri'];
-		$datarray['parent-uri'] = $toplevel_parent_item['parent-uri'];
 
 		$datarray["object-type"] = Activity\ObjectType::NOTE;
 
@@ -2356,7 +2354,6 @@ class Diaspora
 		$datarray['guid'] = $parent['guid'] . '-' . $guid;
 		$datarray['uri'] = self::getUriFromGuid($author, $datarray['guid']);
 		$datarray['thr-parent'] = $parent['uri'];
-		$datarray['parent-uri'] = $parent['parent-uri'];
 
 		$datarray['verb'] = $datarray['body'] = Activity::ANNOUNCE;
 		$datarray['gravity'] = GRAVITY_ACTIVITY;
diff --git a/src/Protocol/OStatus.php b/src/Protocol/OStatus.php
index 9d9e10f7a3..b8724acc7f 100644
--- a/src/Protocol/OStatus.php
+++ b/src/Protocol/OStatus.php
@@ -521,12 +521,6 @@ class OStatus
 							Logger::log("Item with uri ".self::$itemlist[0]['uri']." will be imported since the thread contains posts or shares.", Logger::DEBUG);
 						}
 					}
-				} else {
-					// But we will only import complete threads
-					$valid = Item::exists(['uid' => $importer["uid"], 'uri' => self::$itemlist[0]['parent-uri']]);
-					if ($valid) {
-						Logger::log("Item with uri ".self::$itemlist[0]["uri"]." belongs to parent ".self::$itemlist[0]['thr-parent']." of user ".$importer["uid"].". It will be imported.", Logger::DEBUG);
-					}
 				}
 
 				if ($valid) {
diff --git a/view/templates/admin/aside.tpl b/view/templates/admin/aside.tpl
index 0f624d8eb4..ecf71d8e56 100644
--- a/view/templates/admin/aside.tpl
+++ b/view/templates/admin/aside.tpl
@@ -4,7 +4,7 @@
 
 		$("nav").bind('nav-update',  function(e,data){
 			var elm = $('#pending-update');
-			var register = $(data).find('register').text();
+			var register = $(data).find('register').html();
 			if (register=="0") { register=""; elm.hide();} else { elm.show(); }
 			elm.html(register);
 		});
diff --git a/view/templates/event_head.tpl b/view/templates/event_head.tpl
index 8990c6fb25..3075408063 100644
--- a/view/templates/event_head.tpl
+++ b/view/templates/event_head.tpl
@@ -168,7 +168,7 @@
 		$('#contact_allow, #contact_deny, #group_allow, #group_deny').change(function() {
 			var selstr;
 			$('#contact_allow option:selected, #contact_deny option:selected, #group_allow option:selected, #group_deny option:selected').each( function() {
-				selstr = $(this).text();
+				selstr = $(this).html();
 				$('#jot-public').hide();
 			});
 			if(selstr == null) {
diff --git a/view/templates/photos_head.tpl b/view/templates/photos_head.tpl
index 88fd067c8c..1d693e103c 100644
--- a/view/templates/photos_head.tpl
+++ b/view/templates/photos_head.tpl
@@ -10,7 +10,7 @@
 		$('#contact_allow, #contact_deny, #group_allow, #group_deny').change(function() {
 			var selstr;
 			$('#contact_allow option:selected, #contact_deny option:selected, #group_allow option:selected, #group_deny option:selected').each( function() {
-				selstr = $(this).text();
+				selstr = $(this).html();
 				$('#jot-perms-icon').removeClass('unlock').addClass('lock');
 				$('#jot-public').hide();
 			});
diff --git a/view/templates/settings/head.tpl b/view/templates/settings/head.tpl
index f1229a5aa5..6d58e54a6c 100644
--- a/view/templates/settings/head.tpl
+++ b/view/templates/settings/head.tpl
@@ -9,7 +9,7 @@
 		$('#contact_allow, #contact_deny, #group_allow, #group_deny').change(function() {
 			var selstr;
 			$('#contact_allow option:selected, #contact_deny option:selected, #group_allow option:selected, #group_deny option:selected').each( function() {
-				selstr = $(this).text();
+				selstr = $(this).html();
 				$('#jot-perms-icon').removeClass('unlock').addClass('lock');
 				$('#jot-public').hide();
 			});
diff --git a/view/theme/frio/js/event_edit.js b/view/theme/frio/js/event_edit.js
index a198eef07f..f7a9c4a760 100644
--- a/view/theme/frio/js/event_edit.js
+++ b/view/theme/frio/js/event_edit.js
@@ -23,7 +23,7 @@ $(document).ready(function() {
 	$('#contact_allow, #contact_deny, #group_allow, #group_deny').change(function() {
 		var selstr;
 		$('#contact_allow option:selected, #contact_deny option:selected, #group_allow option:selected, #group_deny option:selected').each( function() {
-			selstr = $(this).text();
+			selstr = $(this).html();
 			$('#jot-public').hide();
 		});
 		if (selstr == null) {
diff --git a/view/theme/frio/js/mod_photos.js b/view/theme/frio/js/mod_photos.js
index 692a7057f4..c75a997cab 100644
--- a/view/theme/frio/js/mod_photos.js
+++ b/view/theme/frio/js/mod_photos.js
@@ -5,7 +5,7 @@ $(document).ready(function() {
 	$('#contact_allow, #contact_deny, #group_allow, #group_deny').change(function() {
 		var selstr;
 		$('#contact_allow option:selected, #contact_deny option:selected, #group_allow option:selected, #group_deny option:selected').each( function() {
-			selstr = $(this).text();
+			selstr = $(this).html();
 			$('#jot-perms-icon').removeClass('unlock').addClass('lock');
 			$('#jot-public').hide();
 		});
diff --git a/view/theme/frio/js/modal.js b/view/theme/frio/js/modal.js
index a088b08e34..241cfd4cea 100644
--- a/view/theme/frio/js/modal.js
+++ b/view/theme/frio/js/modal.js
@@ -192,12 +192,12 @@ function loadModalTitle() {
 	var title = "";
 
 	// Get the text of the first element with "heading" class.
-	title = $("#modal-body .heading").first().text();
+	title = $("#modal-body .heading").first().html();
 
 	// for event modals we need some speacial handling
 	if($("#modal-body .event-wrapper .event-summary").length) {
 		title = '<i class="fa fa-calendar" aria-hidden="true"></i>&nbsp;';
-		var eventsum = $("#modal-body .event-wrapper .event-summary").text();
+		var eventsum = $("#modal-body .event-wrapper .event-summary").html();
 		title = title + eventsum;
 	}
 
diff --git a/view/theme/frio/js/theme.js b/view/theme/frio/js/theme.js
index 99ec88de1a..b630739668 100644
--- a/view/theme/frio/js/theme.js
+++ b/view/theme/frio/js/theme.js
@@ -146,7 +146,7 @@ $(document).ready(function(){
 	if( $(".search-content-wrapper").length ) {
 		// get the text of the heading (we catch the plain text because we don't
 		// want to have a h4 heading in the navbar
-		var searchText = $(".section-title-wrapper > h2").text();
+		var searchText = $(".section-title-wrapper > h2").html();
 		// insert the plain text in a <h4> heading and give it a class
 		var newText = '<h4 class="search-heading">'+searchText+'</h4>';
 		// append the new heading to the navbar
@@ -208,7 +208,7 @@ $(document).ready(function(){
 		// get the heading element
 		var heading = $(".network-content-wrapper > .section-title-wrapper > h2");
 		// get the text of the heading
-		var headingContent = heading.text();
+		var headingContent = heading.html();
 		// create a new element with the content of the heading
 		var newText = '<h4 class="heading" data-toggle="tooltip" title="'+headingContent+'">'+headingContent+'</h4>';
 		// remove the old heading element
@@ -221,7 +221,7 @@ $(document).ready(function(){
 		// get the heading element
 		var heading = $(".community-content-wrapper > h3").first();
 		// get the text of the heading
-		var headingContent = heading.text();
+		var headingContent = heading.html();
 		// create a new element with the content of the heading
 		var newText = '<h4 class="heading">'+headingContent+'</h4>';
 		// remove the old heading element
@@ -790,7 +790,7 @@ function bin2hex (s) {
 // Dropdown menus with the class "dropdown-head" will display the active tab
 // as button text
 function toggleDropdownText(elm) {
-		$(elm).closest(".dropdown").find('.btn').html($(elm).text() + ' <span class="caret"></span>');
+		$(elm).closest(".dropdown").find('.btn').html($(elm).html() + ' <span class="caret"></span>');
 		$(elm).closest(".dropdown").find('.btn').val($(elm).data('value'));
 		$(elm).closest("ul").children("li").show();
 		$(elm).parent("li").hide();
diff --git a/view/theme/frio/templates/admin/aside.tpl b/view/theme/frio/templates/admin/aside.tpl
index 0ba58e5aec..b02f5f6149 100644
--- a/view/theme/frio/templates/admin/aside.tpl
+++ b/view/theme/frio/templates/admin/aside.tpl
@@ -3,9 +3,10 @@
 	$(function(){
 		$("nav").bind('nav-update', function(e,data){
 			var elm = $('#pending-update');
-			var register = $(data).find('register').text();
-			if (register=="0") { register = ""; }
-			elm.html(register);
+			var register = parseInt($(data).find('register').text());
+			if (register > 0) {
+				elm.html(register);
+			}
 		});
 	});
 </script>
diff --git a/view/theme/quattro/js/quattro.js b/view/theme/quattro/js/quattro.js
index 89407569b7..e91794feba 100644
--- a/view/theme/quattro/js/quattro.js
+++ b/view/theme/quattro/js/quattro.js
@@ -2,8 +2,8 @@
 $(document).ready(function(){
 	$('nav').bind('nav-update', function(e,data){
 		var notifCount = $(data).find('notif').attr('count');
-		var intro = $(data).find('intro').text();
-		var mail = $(data).find('mail').text();
+		var intro = parseInt($(data).find('intro').text());
+		var mail = parseInt($(data).find('mail').text());
 
 		$(".tool .notify").removeClass("on");
 		$(data).find("group").each(function() {
diff --git a/view/theme/smoothly/templates/jot-header.tpl b/view/theme/smoothly/templates/jot-header.tpl
index 3a70a5a9cc..71e54246b3 100644
--- a/view/theme/smoothly/templates/jot-header.tpl
+++ b/view/theme/smoothly/templates/jot-header.tpl
@@ -86,7 +86,7 @@ function enableOnUser(){
 		$('#contact_allow, #contact_deny, #group_allow, #group_deny').change(function() {
 			var selstr;
 			$('#contact_allow option:selected, #contact_deny option:selected, #group_allow option:selected, #group_deny option:selected').each( function() {
-				selstr = $(this).text();
+				selstr = $(this).html();
 				$('#jot-perms-icon').removeClass('unlock').addClass('lock');
 				$('#jot-public').hide();
 				$('.profile-jot-net input').attr('disabled', 'disabled');
diff --git a/view/theme/vier/style.php b/view/theme/vier/style.php
index ac5cd08efb..8cd0d7a32a 100644
--- a/view/theme/vier/style.php
+++ b/view/theme/vier/style.php
@@ -61,7 +61,7 @@ header('Cache-Control: public');
 header('ETag: "'.$etag.'"');
 header('Last-Modified: '.$modified);
 
-if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) || isset($_SERVER['HTTP_IF_NONE_MATCH'])) {
+if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && isset($_SERVER['HTTP_IF_NONE_MATCH'])) {
 	$cached_modified = gmdate('r', strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']));
 	$cached_etag = str_replace(['"', "-gzip"], ['', ''],
 				stripslashes($_SERVER['HTTP_IF_NONE_MATCH']));
diff --git a/view/theme/vier/templates/event_head.tpl b/view/theme/vier/templates/event_head.tpl
index 75f6f4b046..2c7b3070a7 100644
--- a/view/theme/vier/templates/event_head.tpl
+++ b/view/theme/vier/templates/event_head.tpl
@@ -170,7 +170,7 @@
 		$('#contact_allow, #contact_deny, #group_allow, #group_deny').change(function() {
 			var selstr;
 			$('#contact_allow option:selected, #contact_deny option:selected, #group_allow option:selected, #group_deny option:selected').each( function() {
-				selstr = $(this).text();
+				selstr = $(this).html();
 				$('#jot-public').hide();
 			});
 			if(selstr == null) {