diff --git a/ALL_README.md b/ALL_README.md
index df3708b..c93d620 100644
--- a/ALL_README.md
+++ b/ALL_README.md
@@ -7,5 +7,6 @@
 - [Le o README en galego](README_gl.md)
 - [Baca README dalam bahasa bahasa Indonesia](README_id.md)
 - [Lees de README in het Nederlands](README_nl.md)
+- [Przeczytaj README w języku polski](README_pl.md)
 - [Прочитать README на русский](README_ru.md)
 - [阅读中文（简体）的 README](README_zh_Hans.md)
diff --git a/README.md b/README.md
index d5b34bd..caf679f 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,9 @@ It shall NOT be edited by hand.
 
 # Send for YunoHost
 
-[![Integration level](https://dash.yunohost.org/integration/send.svg)](https://ci-apps.yunohost.org/ci/apps/send/) ![Working status](https://ci-apps.yunohost.org/ci/badges/send.status.svg) ![Maintenance status](https://ci-apps.yunohost.org/ci/badges/send.maintain.svg)
+[![Integration level](https://apps.yunohost.org/badge/integration/send)](https://ci-apps.yunohost.org/ci/apps/send/)
+![Working status](https://apps.yunohost.org/badge/state/send)
+![Maintenance status](https://apps.yunohost.org/badge/maintained/send)
 
 [![Install Send with YunoHost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=send)
 
@@ -20,7 +22,7 @@ A fork of Mozilla's Firefox Send. Mozilla discontinued Send, this fork is a comm
 Send is a file sharing experiment which allows you to send encrypted files to other users.
 
 
-**Shipped version:** 3.4.23~ynh5
+**Shipped version:** 3.4.23~ynh6
 
 **Demo:** <https://send.vis.ee/>
 
diff --git a/README_es.md b/README_es.md
index b4ec874..21d361c 100644
--- a/README_es.md
+++ b/README_es.md
@@ -5,7 +5,9 @@ No se debe editar a mano.
 
 # Send para Yunohost
 
-[![Nivel de integración](https://dash.yunohost.org/integration/send.svg)](https://ci-apps.yunohost.org/ci/apps/send/) ![Estado funcional](https://ci-apps.yunohost.org/ci/badges/send.status.svg) ![Estado En Mantención](https://ci-apps.yunohost.org/ci/badges/send.maintain.svg)
+[![Nivel de integración](https://apps.yunohost.org/badge/integration/send)](https://ci-apps.yunohost.org/ci/apps/send/)
+![Estado funcional](https://apps.yunohost.org/badge/state/send)
+![Estado En Mantención](https://apps.yunohost.org/badge/maintained/send)
 
 [![Instalar Send con Yunhost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=send)
 
@@ -20,7 +22,7 @@ A fork of Mozilla's Firefox Send. Mozilla discontinued Send, this fork is a comm
 Send is a file sharing experiment which allows you to send encrypted files to other users.
 
 
-**Versión actual:** 3.4.23~ynh5
+**Versión actual:** 3.4.23~ynh6
 
 **Demo:** <https://send.vis.ee/>
 
diff --git a/README_eu.md b/README_eu.md
index 1d7a393..ee7217f 100644
--- a/README_eu.md
+++ b/README_eu.md
@@ -5,7 +5,9 @@ EZ editatu eskuz.
 
 # Send YunoHost-erako
 
-[![Integrazio maila](https://dash.yunohost.org/integration/send.svg)](https://ci-apps.yunohost.org/ci/apps/send/) ![Funtzionamendu egoera](https://ci-apps.yunohost.org/ci/badges/send.status.svg) ![Mantentze egoera](https://ci-apps.yunohost.org/ci/badges/send.maintain.svg)
+[![Integrazio maila](https://apps.yunohost.org/badge/integration/send)](https://ci-apps.yunohost.org/ci/apps/send/)
+![Funtzionamendu egoera](https://apps.yunohost.org/badge/state/send)
+![Mantentze egoera](https://apps.yunohost.org/badge/maintained/send)
 
 [![Instalatu Send YunoHost-ekin](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=send)
 
@@ -20,7 +22,7 @@ A fork of Mozilla's Firefox Send. Mozilla discontinued Send, this fork is a comm
 Send is a file sharing experiment which allows you to send encrypted files to other users.
 
 
-**Paketatutako bertsioa:** 3.4.23~ynh5
+**Paketatutako bertsioa:** 3.4.23~ynh6
 
 **Demoa:** <https://send.vis.ee/>
 
diff --git a/README_fr.md b/README_fr.md
index 63ff6aa..284309a 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -5,7 +5,9 @@ Il NE doit PAS être modifié à la main.
 
 # Send pour YunoHost
 
-[![Niveau d’intégration](https://dash.yunohost.org/integration/send.svg)](https://ci-apps.yunohost.org/ci/apps/send/) ![Statut du fonctionnement](https://ci-apps.yunohost.org/ci/badges/send.status.svg) ![Statut de maintenance](https://ci-apps.yunohost.org/ci/badges/send.maintain.svg)
+[![Niveau d’intégration](https://apps.yunohost.org/badge/integration/send)](https://ci-apps.yunohost.org/ci/apps/send/)
+![Statut du fonctionnement](https://apps.yunohost.org/badge/state/send)
+![Statut de maintenance](https://apps.yunohost.org/badge/maintained/send)
 
 [![Installer Send avec YunoHost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=send)
 
@@ -20,7 +22,7 @@ Un fork du Firefox Send de Mozilla. Mozilla a arrêté Send, et ce fork est un e
 Send est une expérience de partage de fichiers qui permet d'envoyer des fichiers chiffrés à d'autres utilisateurs.
 
 
-**Version incluse :** 3.4.23~ynh5
+**Version incluse :** 3.4.23~ynh6
 
 **Démo :** <https://send.vis.ee/>
 
diff --git a/README_gl.md b/README_gl.md
index c1f0aac..60c7e85 100644
--- a/README_gl.md
+++ b/README_gl.md
@@ -5,7 +5,9 @@ NON debe editarse manualmente.
 
 # Send para YunoHost
 
-[![Nivel de integración](https://dash.yunohost.org/integration/send.svg)](https://ci-apps.yunohost.org/ci/apps/send/) ![Estado de funcionamento](https://ci-apps.yunohost.org/ci/badges/send.status.svg) ![Estado de mantemento](https://ci-apps.yunohost.org/ci/badges/send.maintain.svg)
+[![Nivel de integración](https://apps.yunohost.org/badge/integration/send)](https://ci-apps.yunohost.org/ci/apps/send/)
+![Estado de funcionamento](https://apps.yunohost.org/badge/state/send)
+![Estado de mantemento](https://apps.yunohost.org/badge/maintained/send)
 
 [![Instalar Send con YunoHost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=send)
 
@@ -20,7 +22,7 @@ A fork of Mozilla's Firefox Send. Mozilla discontinued Send, this fork is a comm
 Send is a file sharing experiment which allows you to send encrypted files to other users.
 
 
-**Versión proporcionada:** 3.4.23~ynh5
+**Versión proporcionada:** 3.4.23~ynh6
 
 **Demo:** <https://send.vis.ee/>
 
diff --git a/README_id.md b/README_id.md
index 7b433c0..3f10cc1 100644
--- a/README_id.md
+++ b/README_id.md
@@ -5,7 +5,9 @@ Ini TIDAK boleh diedit dengan tangan.
 
 # Send untuk YunoHost
 
-[![Tingkat integrasi](https://dash.yunohost.org/integration/send.svg)](https://ci-apps.yunohost.org/ci/apps/send/) ![Status kerja](https://ci-apps.yunohost.org/ci/badges/send.status.svg) ![Status pemeliharaan](https://ci-apps.yunohost.org/ci/badges/send.maintain.svg)
+[![Tingkat integrasi](https://apps.yunohost.org/badge/integration/send)](https://ci-apps.yunohost.org/ci/apps/send/)
+![Status kerja](https://apps.yunohost.org/badge/state/send)
+![Status pemeliharaan](https://apps.yunohost.org/badge/maintained/send)
 
 [![Pasang Send dengan YunoHost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=send)
 
@@ -20,7 +22,7 @@ A fork of Mozilla's Firefox Send. Mozilla discontinued Send, this fork is a comm
 Send is a file sharing experiment which allows you to send encrypted files to other users.
 
 
-**Versi terkirim:** 3.4.23~ynh5
+**Versi terkirim:** 3.4.23~ynh6
 
 **Demo:** <https://send.vis.ee/>
 
diff --git a/README_nl.md b/README_nl.md
index 6db9bbb..c24a216 100644
--- a/README_nl.md
+++ b/README_nl.md
@@ -5,7 +5,9 @@ Hij mag NIET handmatig aangepast worden.
 
 # Send voor Yunohost
 
-[![Integratieniveau](https://dash.yunohost.org/integration/send.svg)](https://ci-apps.yunohost.org/ci/apps/send/) ![Mate van functioneren](https://ci-apps.yunohost.org/ci/badges/send.status.svg) ![Onderhoudsstatus](https://ci-apps.yunohost.org/ci/badges/send.maintain.svg)
+[![Integratieniveau](https://apps.yunohost.org/badge/integration/send)](https://ci-apps.yunohost.org/ci/apps/send/)
+![Mate van functioneren](https://apps.yunohost.org/badge/state/send)
+![Onderhoudsstatus](https://apps.yunohost.org/badge/maintained/send)
 
 [![Send met Yunohost installeren](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=send)
 
@@ -20,7 +22,7 @@ A fork of Mozilla's Firefox Send. Mozilla discontinued Send, this fork is a comm
 Send is a file sharing experiment which allows you to send encrypted files to other users.
 
 
-**Geleverde versie:** 3.4.23~ynh5
+**Geleverde versie:** 3.4.23~ynh6
 
 **Demo:** <https://send.vis.ee/>
 
diff --git a/README_pl.md b/README_pl.md
new file mode 100644
index 0000000..78624a7
--- /dev/null
+++ b/README_pl.md
@@ -0,0 +1,52 @@
+<!--
+To README zostało automatycznie wygenerowane przez <https://github.com/YunoHost/apps/tree/master/tools/readme_generator>
+Nie powinno być ono edytowane ręcznie.
+-->
+
+# Send dla YunoHost
+
+[![Poziom integracji](https://apps.yunohost.org/badge/integration/send)](https://ci-apps.yunohost.org/ci/apps/send/)
+![Status działania](https://apps.yunohost.org/badge/state/send)
+![Status utrzymania](https://apps.yunohost.org/badge/maintained/send)
+
+[![Zainstaluj Send z YunoHost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=send)
+
+*[Przeczytaj plik README w innym języku.](./ALL_README.md)*
+
+> *Ta aplikacja pozwala na szybką i prostą instalację Send na serwerze YunoHost.*  
+> *Jeżeli nie masz YunoHost zapoznaj się z [poradnikiem](https://yunohost.org/install) instalacji.*
+
+## Przegląd
+
+A fork of Mozilla's Firefox Send. Mozilla discontinued Send, this fork is a community effort to keep the project up-to-date and alive.
+Send is a file sharing experiment which allows you to send encrypted files to other users.
+
+
+**Dostarczona wersja:** 3.4.23~ynh6
+
+**Demo:** <https://send.vis.ee/>
+
+## Zrzuty ekranu
+
+![Zrzut ekranu z Send](./doc/screenshots/screenshot.png)
+
+## Dokumentacja i zasoby
+
+- Oficjalna strona aplikacji: <https://send.vis.ee/>
+- Repozytorium z kodem źródłowym: <https://github.com/timvisee/send>
+- Sklep YunoHost: <https://apps.yunohost.org/app/send>
+- Zgłaszanie błędów: <https://github.com/YunoHost-Apps/send_ynh/issues>
+
+## Informacje od twórców
+
+Wyślij swój pull request do [gałęzi `testing`](https://github.com/YunoHost-Apps/send_ynh/tree/testing).
+
+Aby wypróbować gałąź `testing` postępuj zgodnie z instrukcjami:
+
+```bash
+sudo yunohost app install https://github.com/YunoHost-Apps/send_ynh/tree/testing --debug
+lub
+sudo yunohost app upgrade send -u https://github.com/YunoHost-Apps/send_ynh/tree/testing --debug
+```
+
+**Więcej informacji o tworzeniu paczek aplikacji:** <https://yunohost.org/packaging_apps>
diff --git a/README_ru.md b/README_ru.md
index 78d45e9..2f81e76 100644
--- a/README_ru.md
+++ b/README_ru.md
@@ -5,7 +5,9 @@
 
 # Send для YunoHost
 
-[![Уровень интеграции](https://dash.yunohost.org/integration/send.svg)](https://ci-apps.yunohost.org/ci/apps/send/) ![Состояние работы](https://ci-apps.yunohost.org/ci/badges/send.status.svg) ![Состояние сопровождения](https://ci-apps.yunohost.org/ci/badges/send.maintain.svg)
+[![Уровень интеграции](https://apps.yunohost.org/badge/integration/send)](https://ci-apps.yunohost.org/ci/apps/send/)
+![Состояние работы](https://apps.yunohost.org/badge/state/send)
+![Состояние сопровождения](https://apps.yunohost.org/badge/maintained/send)
 
 [![Установите Send с YunoHost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=send)
 
@@ -20,7 +22,7 @@ A fork of Mozilla's Firefox Send. Mozilla discontinued Send, this fork is a comm
 Send is a file sharing experiment which allows you to send encrypted files to other users.
 
 
-**Поставляемая версия:** 3.4.23~ynh5
+**Поставляемая версия:** 3.4.23~ynh6
 
 **Демо-версия:** <https://send.vis.ee/>
 
diff --git a/README_zh_Hans.md b/README_zh_Hans.md
index 425c230..9e41bb4 100644
--- a/README_zh_Hans.md
+++ b/README_zh_Hans.md
@@ -5,7 +5,9 @@
 
 # YunoHost 上的 Send
 
-[![集成程度](https://dash.yunohost.org/integration/send.svg)](https://ci-apps.yunohost.org/ci/apps/send/) ![工作状态](https://ci-apps.yunohost.org/ci/badges/send.status.svg) ![维护状态](https://ci-apps.yunohost.org/ci/badges/send.maintain.svg)
+[![集成程度](https://apps.yunohost.org/badge/integration/send)](https://ci-apps.yunohost.org/ci/apps/send/)
+![工作状态](https://apps.yunohost.org/badge/state/send)
+![维护状态](https://apps.yunohost.org/badge/maintained/send)
 
 [![使用 YunoHost 安装 Send](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=send)
 
@@ -20,7 +22,7 @@ A fork of Mozilla's Firefox Send. Mozilla discontinued Send, this fork is a comm
 Send is a file sharing experiment which allows you to send encrypted files to other users.
 
 
-**分发版本：** 3.4.23~ynh5
+**分发版本：** 3.4.23~ynh6
 
 **演示：** <https://send.vis.ee/>
 
diff --git a/manifest.toml b/manifest.toml
index e7c7220..fdedfc0 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -7,7 +7,7 @@ name = "Send"
 description.en = "File sharing which allows to send encrypted files"
 description.fr = "Partage de fichiers qui permet d'envoyer des fichiers chiffrés"
 
-version = "3.4.23~ynh5"
+version = "3.4.23~ynh6"
 
 maintainers = []
 
@@ -18,13 +18,12 @@ demo = "https://send.vis.ee/"
 code = "https://github.com/timvisee/send"
 
 [integration]
-yunohost = ">= 11.2.30"
+yunohost = ">= 12.0.9"
 helpers_version = "2.1"
 architectures = ["amd64", "arm64", "armhf"]
 multi_instance = true
 
 ldap = false
-
 sso = false
 
 disk = "50M"
diff --git a/scripts/_common.sh b/scripts/_common.sh
index eaae793..f5f7b4c 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,4 +4,4 @@
 # COMMON VARIABLES AND CUSTOM HELPERS
 #=================================================
 
-nodejs_version=16
+nodejs_version="16"
diff --git a/scripts/change_url b/scripts/change_url
index b851106..ef434ab 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -22,12 +22,8 @@ ynh_config_change_url_nginx
 #=================================================
 ynh_script_progression "Adding $app's configuration..."
 
-domain=$new_domain
 ynh_config_add --template="config.js" --destination="$install_dir/server/config.js"
 
-#chmod 400 "$install_dir/server/config.js"
-#chown "$app:$app" "$install_dir/server/config.js"
-
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index 8c66949..f2ae961 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -8,9 +8,7 @@ source /usr/share/yunohost/helpers
 #=================================================
 ynh_script_progression "Removing system configurations related to $app..."
 
-if ynh_hide_warnings yunohost service status "$app" >/dev/null
-then
-	ynh_script_progression "Removing $app service integration..."
+if ynh_hide_warnings yunohost service status "$app" >/dev/null; then
 	yunohost service remove "$app"
 fi