diff --git a/check_process b/check_process
index c0e773e..de4d7c4 100644
--- a/check_process
+++ b/check_process
@@ -1,14 +1,8 @@
-# See here for more information
-# https://github.com/YunoHost/package_check#syntax-check_process-file
-
-# Move this file from check_process.default to check_process when you have filled it.
-
 ;; Test complet
 	; Manifest
 		domain="domain.tld"
 		path="/path"
 		is_public=1
-		port="666"
 	; Checks
 		pkg_linter=1
 		setup_sub_dir=1
@@ -20,7 +14,6 @@
 		upgrade=1	from_commit=CommitHash
 		backup_restore=1
 		multi_instance=1
-		port_already_use=0
 		change_url=1
 ;;; Options
 Email=
diff --git a/conf/app.arm64.src b/conf/amd64.src
similarity index 50%
rename from conf/app.arm64.src
rename to conf/amd64.src
index 9e635ff..1cdea48 100644
--- a/conf/app.arm64.src
+++ b/conf/amd64.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/Jackett/Jackett/releases/download/v0.18.98/Jackett.Binaries.LinuxARM64.tar.gz
-SOURCE_SUM=0f936344d82e155a2dcb904d2f47bbcfc85ebae6484879f7790a108db021a4d6
+SOURCE_URL=https://github.com/Jackett/Jackett/releases/download/v0.20.53/Jackett.Binaries.LinuxAMDx64.tar.gz
+SOURCE_SUM=ea6283621b5c1a61dc4613b27261d010bf959520db530939767a4be8e925f5dd
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/conf/app.src.default b/conf/app.src.default
deleted file mode 100644
index 17489bf..0000000
--- a/conf/app.src.default
+++ /dev/null
@@ -1,7 +0,0 @@
-SOURCE_URL=url of app's source
-SOURCE_SUM=sha256 checksum
-SOURCE_SUM_PRG=sha256sum
-SOURCE_FORMAT=tar.gz
-SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=
-SOURCE_EXTRACT=true
diff --git a/conf/app.x64.src b/conf/arm64.src
similarity index 50%
rename from conf/app.x64.src
rename to conf/arm64.src
index 61eb3cb..103b3d4 100644
--- a/conf/app.x64.src
+++ b/conf/arm64.src
@@ -1,7 +1,7 @@
-SOURCE_URL=https://github.com/Jackett/Jackett/releases/download/v0.18.98/Jackett.Binaries.LinuxAMDx64.tar.gz
-SOURCE_SUM=d63e783faa4a443ac81876dacc1e54e66ffd1022fa056430a57964b1c92efc84
+SOURCE_URL=https://github.com/Jackett/Jackett/releases/download/v0.20.53/Jackett.Binaries.LinuxARM64.tar.gz
+SOURCE_SUM=aa51da64c79511901bf40c552c198a3046c61309cc2495795f8b7087893acd52
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
 SOURCE_EXTRACT=true
-SOURCE_FILENAME=jackett.tar.gz
\ No newline at end of file
+SOURCE_FILENAME=jackett.tar.gz
diff --git a/conf/app.arm.src b/conf/armhf.src
similarity index 50%
rename from conf/app.arm.src
rename to conf/armhf.src
index 79f389a..d2a0697 100644
--- a/conf/app.arm.src
+++ b/conf/armhf.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/Jackett/Jackett/releases/download/v0.18.98/Jackett.Binaries.LinuxARM32.tar.gz
-SOURCE_SUM=23a704eef13a41a8e4a17830de330f5ff1176f47e7040714b3df90d7733239dc
+SOURCE_URL=https://github.com/Jackett/Jackett/releases/download/v0.20.53/Jackett.Binaries.LinuxARM32.tar.gz
+SOURCE_SUM=77197e9a617664a1950534154de3d057c9c9e04bab6ef7f1d1c917c541ed8643
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/conf/nginx.conf b/conf/nginx.conf
index 158d806..35e5861 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,10 +1,5 @@
 #sub_path_only rewrite ^__PATH__$ __PATH__/ permanent;
 location __PATH__ {
-
-  # Force usage of https
-  if ($scheme = http) {
-    rewrite ^ https://$server_name$request_uri? permanent;
-  }
   
   proxy_pass http://127.0.0.1:9117;
   proxy_set_header X-Real-IP $remote_addr;
@@ -12,6 +7,7 @@ location __PATH__ {
   proxy_set_header X-Forwarded-Proto $scheme;
   proxy_set_header X-Forwarded-Host $http_host;
   proxy_redirect off;
+  
   # Allow the Jackett API
   location __PATH__/api {
     auth_request off;
diff --git a/manifest.json b/manifest.json
index 1082c30..8746673 100644
--- a/manifest.json
+++ b/manifest.json
@@ -3,17 +3,15 @@
     "id": "jackett",
     "packaging_format": 1,
     "description": {
-        "en": "It provides API support for your favorite torrent trackers.",
-        "fr": "Expliquez en *quelques* (10~15) mots l'utilité de l'app ou ce qu'elle fait (l'objectif est de donner une idée grossière pour des utilisateurs qui naviguent dans un catalogue de 100+ apps)"
+        "en": "API support for your favorite torrent trackers",
+        "fr": "API pour vos trackers torrent préférés"
     },
-    "version": "0.18.98~ynh1",
-    "url": "https://example.com",
+    "version": "0.20.53~ynh1",
+    "url": "https://github.com/Jackett/Jackett",
     "upstream": {
         "license": "GPL-2.0",
         "website": "https://github.com/Jackett/Jackett",
         "demo": "https://github.com/Jackett/Jackett",
-        "admindoc": "https://yunohost.org/packaging_apps",
-        "userdoc": "https://yunohost.org/apps",
         "code": "https://github.com/Jackett/Jackett"
     },
     "license": "GPL-2.0",
@@ -22,7 +20,7 @@
         "email": "navanchauhan+yunohost@gmail.com"
     },
     "requirements": {
-        "yunohost": ">= 4.1.3"
+        "yunohost": ">= 4.3.0"
     },
     "multi_instance": true,
     "services": [
@@ -32,8 +30,7 @@
         "install" : [
             {
                 "name": "domain",
-                "type": "domain",
-                "example": "example.com"
+                "type": "domain"
             },
             {
                 "name": "path",
@@ -43,9 +40,6 @@
             },
             {
                 "name": "is_public",
-                "help": {
-                        "en": "Should the user interface be exposed to the public"
-                        },
                 "type": "boolean",
                 "default": true
             }
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 1408dc9..944a65e 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,26 +4,10 @@
 # COMMON VARIABLES
 #=================================================
 
-# Supported architectures
-supported_architectures=("arm" "arm64" "x64")
-
 #=================================================
 # PERSONAL HELPERS
 #=================================================
 
-get_architecture() {
-        architecture=$(dpkg --print-architecture)
-        if [ $architecture = "amd64" ]; then
-                architecture="x64"
-        elif [[ $architecture = arm* ]] && [[ $(getconf LONG_BIT) = 32 ]]; then
-                architecture="arm"
-        elif [[ $architecture = arm* ]] && [[ $(getconf LONG_BIT) = 64 ]]; then
-                architecture="arm64"
-        elif [[ $(echo ${supported_architectures[@]} | grep -ow "$architecture" | wc -w) = 0 ]]; then
-                ynh_die --message="Unsupported architecture $architecture"
-        fi
-}
-
 #=================================================
 # EXPERIMENTAL HELPERS
 #=================================================
diff --git a/scripts/change_url b/scripts/change_url
index d902869..6779d86 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -105,12 +105,6 @@ then
 	ynh_store_file_checksum --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
 fi
 
-#=================================================
-# SPECIFIC MODIFICATIONS
-#=================================================
-# ...
-#=================================================
-
 #=================================================
 # GENERIC FINALISATION
 #=================================================
diff --git a/scripts/install b/scripts/install
index 8e725a5..7dd3a42 100755
--- a/scripts/install
+++ b/scripts/install
@@ -23,6 +23,7 @@ ynh_abort_if_errors
 domain=$YNH_APP_ARG_DOMAIN
 path_url=$YNH_APP_ARG_PATH
 is_public=$YNH_APP_ARG_IS_PUBLIC
+architecture=$YNH_ARCH
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -74,14 +75,8 @@ get_architecture
 
 ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 # Download, check integrity, uncompress and patch the source from app.src
-ynh_setup_source --dest_dir="$final_path" --source_id="app.$architecture"
+ynh_setup_source --dest_dir="$final_path" --source_id="$architecture"
 
-# FIXME: this should be managed by the core in the future
-# Here, as a packager, you may have to tweak the ownerhsip/permissions
-# such that the appropriate users (e.g. maybe www-data) can access
-# files in some cases.
-# But FOR THE LOVE OF GOD, do not allow r/x for "others" on the entire folder -
-# this will be treated as a security issue.
 chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
 chown -R $app: $final_path
diff --git a/scripts/remove b/scripts/remove
index a5f4976..35a0cb0 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -65,16 +65,6 @@ ynh_script_progression --message="Removing logrotate configuration..."
 # Remove the app-specific logrotate config
 ynh_remove_logrotate
 
-#=================================================
-# CLOSE A PORT
-#=================================================
-
-if yunohost firewall list | grep -q "\- $port$"
-then
-	ynh_script_progression --message="Closing port $port..." 
-	ynh_exec_warn_less yunohost firewall disallow TCP $port
-fi
-
 #=================================================
 # SPECIFIC REMOVE
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index c5f8749..533d23f 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -37,8 +37,6 @@ final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 #=================================================
 ynh_script_progression --message="Validating restoration parameters..." 
 
-ynh_webpath_available --domain=$domain --path_url=$path_url \
-	|| ynh_die --message="Path not available: ${domain}${path_url}"
 test ! -d $final_path \
 	|| ynh_die --message="There is already a directory: $final_path "
 
@@ -66,12 +64,6 @@ ynh_script_progression --message="Restoring the app main directory..."
 
 ynh_restore_file --origin_path="$final_path"
 
-# FIXME: this should be managed by the core in the future
-# Here, as a packager, you may have to tweak the ownerhsip/permissions
-# such that the appropriate users (e.g. maybe www-data) can access
-# files in some cases.
-# But FOR THE LOVE OF GOD, do not allow r/x for "others" on the entire folder -
-# this will be treated as a security issue.
 chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
 chown -R $app:www-data "$final_path"
@@ -125,4 +117,4 @@ ynh_systemd_action --service_name=nginx --action=reload
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Restoration completed for $app" --time --last
+ynh_script_progression --message="Restoration completed for $app" --last
diff --git a/scripts/upgrade b/scripts/upgrade
index 3940eb4..2de53f2 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -19,17 +19,12 @@ app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+architecture=$YNH_ARCH
 
 #=================================================
 # CHECK VERSION
 #=================================================
 
-### This helper will compare the version of the currently installed app and the version of the upstream package.
-### $upgrade_type can have 2 different values
-### - UPGRADE_APP if the upstream app version has changed
-### - UPGRADE_PACKAGE if only the YunoHost package has changed
-### ynh_check_app_version_changed will stop the upgrade if the app is up to date.
-### UPGRADE_APP should be used to upgrade the core app only if there's an upgrade to do.
 upgrade_type=$(ynh_check_app_version_changed)
 
 #=================================================
@@ -60,27 +55,6 @@ ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app
 #=================================================
 ynh_script_progression --message="Ensuring downward compatibility..." 
 
-#
-# N.B. : the followings setting migrations snippets are provided as *EXAMPLES*
-# of what you may want to do in some cases (e.g. a setting was not defined on
-# some legacy installs and you therefore want to initiaze stuff during upgrade)
-#
-
-# If db_name doesn't exist, create it
-#if [ -z "$db_name" ]; then
-#	db_name=$(ynh_sanitize_dbid --db_name=$app)
-#	ynh_app_setting_set --app=$app --key=db_name --value=$db_name
-#fi
-
-# If final_path doesn't exist, create it
-#if [ -z "$final_path" ]; then
-#	final_path=/var/www/$app
-#	ynh_app_setting_set --app=$app --key=final_path --value=$final_path
-#fi
-
-### If nobody installed your app before 4.1,
-### then you may safely remove these lines
-
 # Cleaning legacy permissions
 if ynh_legacy_permissions_exists; then
 	ynh_legacy_permissions_delete_all
@@ -114,18 +88,10 @@ if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
 	ynh_script_progression --message="Upgrading source files..."
 
-	get_architecture
-
 	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$final_path" --source_id="app.$architecture"
+	ynh_setup_source --dest_dir="$final_path" --source_id="$architecture"
 fi
 
-# FIXME: this should be managed by the core in the future
-# Here, as a packager, you may have to tweak the ownerhsip/permissions
-# such that the appropriate users (e.g. maybe www-data) can access
-# files in some cases.
-# But FOR THE LOVE OF GOD, do not allow r/x for "others" on the entire folder -
-# this will be treated as a security issue.
 chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
 chown -R $app:www-data "$final_path"