diff --git a/src/Contact/Avatar.php b/src/Contact/Avatar.php
index 299c263994..fc4b7e38cb 100644
--- a/src/Contact/Avatar.php
+++ b/src/Contact/Avatar.php
@@ -92,7 +92,7 @@ class Avatar
 			return $fields;
 		}
 
-		$filename  = self::getFilename($contact['url']);
+		$filename  = self::getFilename($contact['url'], $avatar);
 		$timestamp = time();
 
 		$fields['blurhash'] = $image->getBlurHash();
@@ -120,7 +120,7 @@ class Avatar
 			return $fields;
 		}
 
-		$filename  = self::getFilename($contact['url']);
+		$filename  = self::getFilename($contact['url'], $contact['avatar']);
 		$timestamp = time();
 
 		$fields['photo'] = self::storeAvatarCache($image, $filename, Proxy::PIXEL_SMALL, $timestamp);
@@ -130,9 +130,9 @@ class Avatar
 		return $fields;
 	}
 
-	private static function getFilename(string $url): string
+	private static function getFilename(string $url, string $host): string
 	{
-		$guid = Item::guidFromUri($url);
+		$guid = Item::guidFromUri($url, $host);
 
 		return substr($guid, 0, 2) . '/' . substr($guid, 3, 2) . '/' . substr($guid, 5, 3) . '/' .
 			substr($guid, 9, 2) .'/' . substr($guid, 11, 2) . '/' . substr($guid, 13, 4). '/' . substr($guid, 18) . '-';
diff --git a/src/Content/Text/BBCode.php b/src/Content/Text/BBCode.php
index 0e5ee9d4e2..e321b13e70 100644
--- a/src/Content/Text/BBCode.php
+++ b/src/Content/Text/BBCode.php
@@ -62,6 +62,7 @@ class BBCode
 	const TWITTER      = 8;
 	const BACKLINK     = 8;
 	const ACTIVITYPUB  = 9;
+	const BLUESKY      = 10;
 
 	const TOP_ANCHOR = '<br class="top-anchor">';
 	const BOTTOM_ANCHOR = '<br class="button-anchor">';
@@ -1771,7 +1772,7 @@ class BBCode
 					$text
 				);
 
-				if (in_array($simple_html, [self::OSTATUS, self::TWITTER])) {
+				if (in_array($simple_html, [self::OSTATUS, self::TWITTER, self::BLUESKY])) {
 					$text = preg_replace_callback("/([^#@!])\[url\=([^\]]*)\](.*?)\[\/url\]/ism", [self::class, 'expandLinksCallback'], $text);
 					//$text = preg_replace("/[^#@!]\[url\=([^\]]*)\](.*?)\[\/url\]/ism", ' $2 [url]$1[/url]', $text);
 					$text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", ' $2 [url]$1[/url]', $text);
diff --git a/src/Content/Text/Plaintext.php b/src/Content/Text/Plaintext.php
index b297f75b36..86d720a02a 100644
--- a/src/Content/Text/Plaintext.php
+++ b/src/Content/Text/Plaintext.php
@@ -137,6 +137,10 @@ class Plaintext
 				$abstract = BBCode::getAbstract($item['body'], Protocol::STATUSNET);
 				break;
 
+			case BBCode::BLUESKY:
+				$abstract = BBCode::getAbstract($item['body'], Protocol::BLUESKY);
+				break;
+	
 			default: // We don't know the exact target.
 				// We fetch an abstract since there is a posting limit.
 				if ($limit > 0) {
diff --git a/src/Model/Contact.php b/src/Model/Contact.php
index 3f830c29a4..720d2638c4 100644
--- a/src/Model/Contact.php
+++ b/src/Model/Contact.php
@@ -2773,7 +2773,7 @@ class Contact
 		}
 
 		$update = false;
-		$guid = ($ret['guid'] ?? '') ?: Item::guidFromUri($ret['url']);
+		$guid = ($ret['guid'] ?? '') ?: Item::guidFromUri($ret['url'], $ret['baseurl'] ?: $ret['alias']);
 
 		// make sure to not overwrite existing values with blank entries except some technical fields
 		$keep = ['batch', 'notify', 'poll', 'request', 'confirm', 'poco', 'baseurl'];
diff --git a/src/Model/Item.php b/src/Model/Item.php
index fad8ffeff4..cdeb6d3d13 100644
--- a/src/Model/Item.php
+++ b/src/Model/Item.php
@@ -2044,7 +2044,7 @@ class Item
 		// Remove the scheme to make sure that "https" and "http" doesn't make a difference
 		unset($parsed['scheme']);
 
-		$hostPart = $host ?? $parsed['host'] ?? '';
+		$hostPart = $host ?: $parsed['host'] ?? '';
 		if (!$hostPart) {
 			Logger::warning('Empty host GUID part', ['uri' => $uri, 'host' => $host, 'parsed' => $parsed, 'callstack' => System::callstack(10)]);
 		}
diff --git a/src/Protocol/Relay.php b/src/Protocol/Relay.php
index d8b11cf95b..c5131fb3fd 100644
--- a/src/Protocol/Relay.php
+++ b/src/Protocol/Relay.php
@@ -135,22 +135,8 @@ class Relay
 			}
 		}
 
-		$languages = [];
-		foreach (Item::getLanguageArray($body, 10) as $language => $reliability) {
-			if ($reliability > 0) {
-				$languages[] = $language;
-			}
-		}
-
-		Logger::debug('Got languages', ['languages' => $languages, 'body' => $body, 'causer' => $causer]);
-
-		if (!empty($languages)) {
-			if (in_array($languages[0], $config->get('system', 'relay_deny_languages'))) {
-				Logger::info('Unwanted language found - rejected', ['language' => $languages[0], 'network' => $network, 'url' => $url, 'causer' => $causer]);
-				return false;
-			}
-		} elseif ($config->get('system', 'relay_deny_undetected_language')) {
-			Logger::info('Undetected language found - rejected', ['body' => $body, 'network' => $network, 'url' => $url, 'causer' => $causer]);
+		if (!self::isWantedLanguage($body)) {
+			Logger::info('Unwanted or Undetected language found - rejected', ['network' => $network, 'url' => $url, 'causer' => $causer]);
 			return false;
 		}
 
@@ -163,6 +149,36 @@ class Relay
 		return false;
 	}
 
+	/**
+	 * Detect the language of a post and decide if the post should be accepted
+	 *
+	 * @param string $body
+	 * @return boolean
+	 */
+	public static function isWantedLanguage(string $body)
+	{
+		$languages = [];
+		foreach (Item::getLanguageArray($body, 10) as $language => $reliability) {
+			if ($reliability > 0) {
+				$languages[] = $language;
+			}
+		}
+
+		Logger::debug('Got languages', ['languages' => $languages, 'body' => $body]);
+
+		if (!empty($languages)) {
+			if (in_array($languages[0], DI::config()->get('system', 'relay_deny_languages'))) {
+				Logger::info('Unwanted language found', ['language' => $languages[0]]);
+				return false;
+			}
+		} elseif (DI::config()->get('system', 'relay_deny_undetected_language')) {
+			Logger::info('Undetected language found', ['body' => $body]);
+			return false;
+		}
+
+		return true;
+	}
+
 	/**
 	 * Update or insert a relay contact
 	 *