diff --git a/conf/config.js b/conf/config.js
index ff7ee20..d21cb6f 100644
--- a/conf/config.js
+++ b/conf/config.js
@@ -150,6 +150,15 @@ module.exports = {
 	// This value is set to `2048` kilobytes by default.
 	prefetchMaxImageSize: 2048,
 
+	// ### prefetchMaxSearchSize
+	//
+	// This value sets the maximum request size made to find the Open Graph tags
+	// for link previews. For some sites like YouTube this can easily exceed 300
+	// kilobytes.
+	//
+	// This value is set to `50` kilobytes by default.
+	prefetchMaxSearchSize: 50,
+
 	// ### `fileUpload`
 	//
 	// Allow uploading files to the server hosting The Lounge.
diff --git a/doc/screenshots/thelounge-screenshot.png b/doc/screenshots/thelounge-screenshot.png
new file mode 100644
index 0000000..4e59d13
Binary files /dev/null and b/doc/screenshots/thelounge-screenshot.png differ
diff --git a/manifest.json b/manifest.json
index 0e8f148..91a4d3c 100644
--- a/manifest.json
+++ b/manifest.json
@@ -8,6 +8,14 @@
     },
     "version": "4.2.0~ynh3",
     "url": "https://thelounge.chat/",
+    "upstream": {
+        "license": "MIT",
+        "website": "https://thelounge.chat/",
+        "demo": "https://demo.thelounge.chat/",
+        "admindoc": "https://thelounge.chat/docs",
+        "userdoc": "https://yunohost.org/#/app_thelounge",
+        "code": "https://github.com/thelounge/thelounge"
+    },
     "license": "MIT",
     "maintainer": {
         "name": "rafi59",
@@ -19,7 +27,7 @@
     	"email": "beudbeud@beudibox.fr"
     },
     "requirements": {
-        "yunohost": ">= 4.1.7"
+        "yunohost": ">= 4.2.4"
     },
     "multi_instance": false,
     "services": [
diff --git a/scripts/install b/scripts/install
index 592592c..4588981 100644
--- a/scripts/install
+++ b/scripts/install
@@ -135,7 +135,6 @@ popd
 ynh_script_progression --message="Configuring a systemd service..."
 
 ynh_replace_string --match_string="__ENV_PATH__" --replace_string="$PATH" --target_file="../conf/systemd.service"
-ynh_replace_string --match_string="__NODE__" --replace_string="$nodejs_path" --target_file="../conf/systemd.service"
 
 ynh_add_systemd_config
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 5461e5e..8830a30 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -143,7 +143,6 @@ fi
 ynh_script_progression --message="Upgrading systemd configuration..."
 
 ynh_replace_string --match_string="__ENV_PATH__" --replace_string="$PATH" --target_file="../conf/systemd.service"
-ynh_replace_string --match_string="__NODE__" --replace_string="$nodejs_path" --target_file="../conf/systemd.service"
 
 ynh_add_systemd_config