diff --git a/composer.json b/composer.json
index bb675c651e..0a31151fdd 100644
--- a/composer.json
+++ b/composer.json
@@ -35,6 +35,7 @@
 		"friendica/json-ld": "^1.0",
 		"geekwright/po": "^2.0",
 		"guzzlehttp/guzzle": "^6.5",
+        "guzzlehttp/oauth-subscriber": "^0.6",
 		"kornrunner/blurhash": "^1.2",
 		"league/html-to-markdown": "^4.8",
 		"level-2/dice": "^4",
diff --git a/composer.lock b/composer.lock
index 280e979e9e..10fa756386 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "456d14e3ad9be265c5c9e6172a0d18d8",
+    "content-hash": "c208d7f5176358ea157f109c1c7d68dd",
     "packages": [
         {
             "name": "asika/simple-console",
@@ -967,6 +967,61 @@
             ],
             "time": "2022-06-20T22:16:07+00:00"
         },
+        {
+            "name": "guzzlehttp/oauth-subscriber",
+            "version": "0.6.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/guzzle/oauth-subscriber.git",
+                "reference": "8d6cab29f8397e5712d00a383eeead36108a3c1f"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/guzzle/oauth-subscriber/zipball/8d6cab29f8397e5712d00a383eeead36108a3c1f",
+                "reference": "8d6cab29f8397e5712d00a383eeead36108a3c1f",
+                "shasum": ""
+            },
+            "require": {
+                "guzzlehttp/guzzle": "^6.5|^7.2",
+                "guzzlehttp/psr7": "^1.7|^2.0",
+                "php": ">=5.5.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.0|^9.3.3"
+            },
+            "suggest": {
+                "ext-openssl": "Required to sign using RSA-SHA1"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "0.6-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "GuzzleHttp\\Subscriber\\Oauth\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Michael Dowling",
+                    "email": "mtdowling@gmail.com",
+                    "homepage": "https://github.com/mtdowling"
+                }
+            ],
+            "description": "Guzzle OAuth 1.0 subscriber",
+            "homepage": "http://guzzlephp.org/",
+            "keywords": [
+                "Guzzle",
+                "oauth"
+            ],
+            "time": "2021-07-13T12:01:32+00:00"
+        },
         {
             "name": "guzzlehttp/promises",
             "version": "1.5.2",
diff --git a/src/Content/Text/NPF.php b/src/Content/Text/NPF.php
index d60b3a8e79..a919562c74 100644
--- a/src/Content/Text/NPF.php
+++ b/src/Content/Text/NPF.php
@@ -185,9 +185,6 @@ class NPF
 
 	static private function getLevelByCallstack($callstack): int
 	{
-		// Deactivated, since Tumblr seems to have issues with the indent level
-		return 0;
-
 		$level = 0;
 		foreach ($callstack as $entry) {
 			if (in_array($entry, ['ol', 'ul', 'blockquote'])) {
@@ -235,7 +232,7 @@ class NPF
 					break;
 	
 				case 'blockquote':					
-					$subtype = strlen($text) < 100 ? 'quote' : 'indented';
+					$subtype = mb_strlen($text) < 100 ? 'quote' : 'indented';
 					break;
 
 				case 'pre':
@@ -293,10 +290,9 @@ class NPF
 			'text'      => $text,
 		];
 
-		// Deactivated since Tumblr has got issues with it
-		//if (!empty($formatting)) {
-		//	$block['formatting'] = $formatting;
-		//}
+		if (!empty($formatting)) {
+			$block['formatting'] = $formatting;
+		}
 
 		$level = self::getLevelByCallstack($callstack);
 		if ($level > 0) {
@@ -491,13 +487,14 @@ class NPF
 			$block = [
 				'type' => 'text',
 				'text' => $element->textContent,
-				// Deactivated, since Tumblr has got issues with the formatting
-				//'formatting' => [
-				//	'start' => 0,
-				//	'end'   => strlen($element->textContent),
-				//	'type'  => 'link',
-				//	'url'   => $attributes['href']
-				//]
+				'formatting' => [
+					[
+						'start' => 0,
+						'end'   => mb_strlen($element->textContent),
+						'type'  => 'link',
+						'url'   => $attributes['href']
+					]
+				]
 			];
 		}