diff --git a/ALL_README.md b/ALL_README.md
new file mode 100644
index 0000000..8938aae
--- /dev/null
+++ b/ALL_README.md
@@ -0,0 +1,8 @@
+# All available README files by language
+
+- [Read the README in English](README.md)
+- [Lee el README en español](README_es.md)
+- [Irakurri README euskaraz](README_eu.md)
+- [Lire le README en français](README_fr.md)
+- [Le o README en galego](README_gl.md)
+- [阅读中文（简体）的 README](README_zh_Hans.md)
diff --git a/README.md b/README.md
index 6c6d0a8..559c651 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 <!--
-N.B.: This README was automatically generated by https://github.com/YunoHost/apps/tree/master/tools/readme_generator
+N.B.: This README was automatically generated by <https://github.com/YunoHost/apps/tree/master/tools/readme_generator>
 It shall NOT be edited by hand.
 -->
 
@@ -9,16 +9,17 @@ It shall NOT be edited by hand.
 
 [![Install Backdrop with YunoHost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=backdrop)
 
-*[Lire ce readme en français.](./README_fr.md)*
+*[Read this README in other languages.](./ALL_README.md)*
 
-> *This package allows you to install Backdrop quickly and simply on a YunoHost server.
-If you don't have YunoHost, please consult [the guide](https://yunohost.org/#/install) to learn how to install it.*
+> *This package allows you to install Backdrop quickly and simply on a YunoHost server.*  
+> *If you don't have YunoHost, please consult [the guide](https://yunohost.org/install) to learn how to install it.*
 
 ## Overview
 
 Backdrop is a full-featured content management system that allows non-technical users to manage a wide variety of content. It can be used to create all kinds of websites including blogs, image galleries, social networks, intranets, and more.
 
-**Shipped version:** 1.27.1~ynh1
+
+**Shipped version:** 1.28.0~ynh1
 
 **Demo:** <https://backdropcms.org/demo>
 
@@ -36,11 +37,11 @@ Backdrop is a full-featured content management system that allows non-technical
 
 ## Developer info
 
-Please send your pull request to the [testing branch](https://github.com/YunoHost-Apps/backdrop_ynh/tree/testing).
+Please send your pull request to the [`testing` branch](https://github.com/YunoHost-Apps/backdrop_ynh/tree/testing).
 
-To try the testing branch, please proceed like that.
+To try the `testing` branch, please proceed like that:
 
-``` bash
+```bash
 sudo yunohost app install https://github.com/YunoHost-Apps/backdrop_ynh/tree/testing --debug
 or
 sudo yunohost app upgrade backdrop -u https://github.com/YunoHost-Apps/backdrop_ynh/tree/testing --debug
diff --git a/README_es.md b/README_es.md
new file mode 100644
index 0000000..354238b
--- /dev/null
+++ b/README_es.md
@@ -0,0 +1,50 @@
+<!--
+Este archivo README esta generado automaticamente<https://github.com/YunoHost/apps/tree/master/tools/readme_generator>
+No se debe editar a mano.
+-->
+
+# Backdrop para Yunohost
+
+[![Nivel de integración](https://dash.yunohost.org/integration/backdrop.svg)](https://dash.yunohost.org/appci/app/backdrop) ![Estado funcional](https://ci-apps.yunohost.org/ci/badges/backdrop.status.svg) ![Estado En Mantención](https://ci-apps.yunohost.org/ci/badges/backdrop.maintain.svg)
+
+[![Instalar Backdrop con Yunhost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=backdrop)
+
+*[Leer este README en otros idiomas.](./ALL_README.md)*
+
+> *Este paquete le permite instalarBackdrop rapidamente y simplement en un servidor YunoHost.*  
+> *Si no tiene YunoHost, visita [the guide](https://yunohost.org/install) para aprender como instalarla.*
+
+## Descripción general
+
+Backdrop is a full-featured content management system that allows non-technical users to manage a wide variety of content. It can be used to create all kinds of websites including blogs, image galleries, social networks, intranets, and more.
+
+
+**Versión actual:** 1.28.0~ynh1
+
+**Demo:** <https://backdropcms.org/demo>
+
+## Capturas
+
+![Captura de Backdrop](./doc/screenshots/Hello_world.png)
+
+## Documentaciones y recursos
+
+- Sitio web oficial: <https://backdropcms.org/>
+- Documentación usuario oficial: <https://backdropcms.org/user-guide>
+- Repositorio del código fuente oficial de la aplicación : <https://github.com/backdrop/backdrop>
+- Catálogo YunoHost: <https://apps.yunohost.org/app/backdrop>
+- Reportar un error: <https://github.com/YunoHost-Apps/backdrop_ynh/issues>
+
+## Información para desarrolladores
+
+Por favor enviar sus correcciones a la [`branch testing`](https://github.com/YunoHost-Apps/backdrop_ynh/tree/testing
+
+Para probar la rama `testing`, sigue asÍ:
+
+```bash
+sudo yunohost app install https://github.com/YunoHost-Apps/backdrop_ynh/tree/testing --debug
+o
+sudo yunohost app upgrade backdrop -u https://github.com/YunoHost-Apps/backdrop_ynh/tree/testing --debug
+```
+
+**Mas informaciones sobre el empaquetado de aplicaciones:** <https://yunohost.org/packaging_apps>
diff --git a/README_eu.md b/README_eu.md
new file mode 100644
index 0000000..6e05bba
--- /dev/null
+++ b/README_eu.md
@@ -0,0 +1,50 @@
+<!--
+Ohart ongi: README hau automatikoki sortu da <https://github.com/YunoHost/apps/tree/master/tools/readme_generator>ri esker
+EZ editatu eskuz.
+-->
+
+# Backdrop YunoHost-erako
+
+[![Integrazio maila](https://dash.yunohost.org/integration/backdrop.svg)](https://dash.yunohost.org/appci/app/backdrop) ![Funtzionamendu egoera](https://ci-apps.yunohost.org/ci/badges/backdrop.status.svg) ![Mantentze egoera](https://ci-apps.yunohost.org/ci/badges/backdrop.maintain.svg)
+
+[![Instalatu Backdrop YunoHost-ekin](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=backdrop)
+
+*[Irakurri README hau beste hizkuntzatan.](./ALL_README.md)*
+
+> *Pakete honek Backdrop YunoHost zerbitzari batean azkar eta zailtasunik gabe instalatzea ahalbidetzen dizu.*  
+> *YunoHost ez baduzu, kontsultatu [gida](https://yunohost.org/install) nola instalatu ikasteko.*
+
+## Aurreikuspena
+
+Backdrop is a full-featured content management system that allows non-technical users to manage a wide variety of content. It can be used to create all kinds of websites including blogs, image galleries, social networks, intranets, and more.
+
+
+**Paketatutako bertsioa:** 1.28.0~ynh1
+
+**Demoa:** <https://backdropcms.org/demo>
+
+## Pantaila-argazkiak
+
+![Backdrop(r)en pantaila-argazkia](./doc/screenshots/Hello_world.png)
+
+## Dokumentazioa eta baliabideak
+
+- Aplikazioaren webgune ofiziala: <https://backdropcms.org/>
+- Erabiltzaileen dokumentazio ofiziala: <https://backdropcms.org/user-guide>
+- Jatorrizko aplikazioaren kode-gordailua: <https://github.com/backdrop/backdrop>
+- YunoHost Denda: <https://apps.yunohost.org/app/backdrop>
+- Eman errore baten berri: <https://github.com/YunoHost-Apps/backdrop_ynh/issues>
+
+## Garatzaileentzako informazioa
+
+Bidali `pull request`a [`testing` abarrera](https://github.com/YunoHost-Apps/backdrop_ynh/tree/testing).
+
+`testing` abarra probatzeko, ondorengoa egin:
+
+```bash
+sudo yunohost app install https://github.com/YunoHost-Apps/backdrop_ynh/tree/testing --debug
+edo
+sudo yunohost app upgrade backdrop -u https://github.com/YunoHost-Apps/backdrop_ynh/tree/testing --debug
+```
+
+**Informazio gehiago aplikazioaren paketatzeari buruz:** <https://yunohost.org/packaging_apps>
diff --git a/README_fr.md b/README_fr.md
index aaefc45..300d7d4 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -1,6 +1,6 @@
 <!--
-N.B.: This README was automatically generated by https://github.com/YunoHost/apps/tree/master/tools/readme_generator
-It shall NOT be edited by hand.
+Nota bene : ce README est automatiquement généré par <https://github.com/YunoHost/apps/tree/master/tools/readme_generator>
+Il NE doit PAS être modifié à la main.
 -->
 
 # Backdrop pour YunoHost
@@ -9,18 +9,19 @@ It shall NOT be edited by hand.
 
 [![Installer Backdrop avec YunoHost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=backdrop)
 
-*[Read this readme in english.](./README.md)*
+*[Lire le README dans d'autres langues.](./ALL_README.md)*
 
-> *Ce package vous permet d’installer Backdrop rapidement et simplement sur un serveur YunoHost.
-Si vous n’avez pas YunoHost, regardez [ici](https://yunohost.org/#/install) pour savoir comment l’installer et en profiter.*
+> *Ce package vous permet d’installer Backdrop rapidement et simplement sur un serveur YunoHost.*  
+> *Si vous n’avez pas YunoHost, consultez [ce guide](https://yunohost.org/install) pour savoir comment l’installer et en profiter.*
 
 ## Vue d’ensemble
 
 Backdrop est un système de gestion de contenu complet qui permet aux utilisateurs non techniques de gérer une grande variété de contenu. Il peut être utilisé pour créer toutes sortes de sites Web, notamment des blogs, des galeries d'image, des réseaux sociaux, des intranets et plus encore.
 
-**Version incluse :** 1.27.1~ynh1
 
-**Démo :** <https://backdropcms.org/demo>
+**Version incluse :** 1.28.0~ynh1
+
+**Démo :** <https://backdropcms.org/demo>
 
 ## Captures d’écran
 
@@ -28,22 +29,22 @@ Backdrop est un système de gestion de contenu complet qui permet aux utilisateu
 
 ## Documentations et ressources
 
-- Site officiel de l’app : <https://backdropcms.org/>
-- Documentation officielle utilisateur : <https://backdropcms.org/user-guide>
-- Dépôt de code officiel de l’app : <https://github.com/backdrop/backdrop>
-- YunoHost Store : <https://apps.yunohost.org/app/backdrop>
-- Signaler un bug : <https://github.com/YunoHost-Apps/backdrop_ynh/issues>
+- Site officiel de l’app : <https://backdropcms.org/>
+- Documentation officielle utilisateur : <https://backdropcms.org/user-guide>
+- Dépôt de code officiel de l’app : <https://github.com/backdrop/backdrop>
+- YunoHost Store : <https://apps.yunohost.org/app/backdrop>
+- Signaler un bug : <https://github.com/YunoHost-Apps/backdrop_ynh/issues>
 
 ## Informations pour les développeurs
 
-Merci de faire vos pull request sur la [branche testing](https://github.com/YunoHost-Apps/backdrop_ynh/tree/testing).
+Merci de faire vos pull request sur la [branche `testing`](https://github.com/YunoHost-Apps/backdrop_ynh/tree/testing).
 
-Pour essayer la branche testing, procédez comme suit.
+Pour essayer la branche `testing`, procédez comme suit :
 
-``` bash
+```bash
 sudo yunohost app install https://github.com/YunoHost-Apps/backdrop_ynh/tree/testing --debug
 ou
 sudo yunohost app upgrade backdrop -u https://github.com/YunoHost-Apps/backdrop_ynh/tree/testing --debug
 ```
 
-**Plus d’infos sur le packaging d’applications :** <https://yunohost.org/packaging_apps>
+**Plus d’infos sur le packaging d’applications :** <https://yunohost.org/packaging_apps>
diff --git a/README_gl.md b/README_gl.md
new file mode 100644
index 0000000..508308d
--- /dev/null
+++ b/README_gl.md
@@ -0,0 +1,50 @@
+<!--
+NOTA: Este README foi creado automáticamente por <https://github.com/YunoHost/apps/tree/master/tools/readme_generator>
+NON debe editarse manualmente.
+-->
+
+# Backdrop para YunoHost
+
+[![Nivel de integración](https://dash.yunohost.org/integration/backdrop.svg)](https://dash.yunohost.org/appci/app/backdrop) ![Estado de funcionamento](https://ci-apps.yunohost.org/ci/badges/backdrop.status.svg) ![Estado de mantemento](https://ci-apps.yunohost.org/ci/badges/backdrop.maintain.svg)
+
+[![Instalar Backdrop con YunoHost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=backdrop)
+
+*[Le este README en outros idiomas.](./ALL_README.md)*
+
+> *Este paquete permíteche instalar Backdrop de xeito rápido e doado nun servidor YunoHost.*  
+> *Se non usas YunoHost, le a [documentación](https://yunohost.org/install) para saber como instalalo.*
+
+## Vista xeral
+
+Backdrop is a full-featured content management system that allows non-technical users to manage a wide variety of content. It can be used to create all kinds of websites including blogs, image galleries, social networks, intranets, and more.
+
+
+**Versión proporcionada:** 1.28.0~ynh1
+
+**Demo:** <https://backdropcms.org/demo>
+
+## Capturas de pantalla
+
+![Captura de pantalla de Backdrop](./doc/screenshots/Hello_world.png)
+
+## Documentación e recursos
+
+- Web oficial da app: <https://backdropcms.org/>
+- Documentación oficial para usuarias: <https://backdropcms.org/user-guide>
+- Repositorio de orixe do código: <https://github.com/backdrop/backdrop>
+- Tenda YunoHost: <https://apps.yunohost.org/app/backdrop>
+- Informar dun problema: <https://github.com/YunoHost-Apps/backdrop_ynh/issues>
+
+## Info de desenvolvemento
+
+Envía a túa colaboración á [rama `testing`](https://github.com/YunoHost-Apps/backdrop_ynh/tree/testing).
+
+Para probar a rama `testing`, procede deste xeito:
+
+```bash
+sudo yunohost app install https://github.com/YunoHost-Apps/backdrop_ynh/tree/testing --debug
+ou
+sudo yunohost app upgrade backdrop -u https://github.com/YunoHost-Apps/backdrop_ynh/tree/testing --debug
+```
+
+**Máis info sobre o empaquetado da app:** <https://yunohost.org/packaging_apps>
diff --git a/README_zh_Hans.md b/README_zh_Hans.md
new file mode 100644
index 0000000..271e04e
--- /dev/null
+++ b/README_zh_Hans.md
@@ -0,0 +1,50 @@
+<!--
+注意：此 README 由 <https://github.com/YunoHost/apps/tree/master/tools/readme_generator> 自动生成
+请勿手动编辑。
+-->
+
+# YunoHost 上的 Backdrop
+
+[![集成程度](https://dash.yunohost.org/integration/backdrop.svg)](https://dash.yunohost.org/appci/app/backdrop) ![工作状态](https://ci-apps.yunohost.org/ci/badges/backdrop.status.svg) ![维护状态](https://ci-apps.yunohost.org/ci/badges/backdrop.maintain.svg)
+
+[![使用 YunoHost 安装 Backdrop](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=backdrop)
+
+*[阅读此 README 的其它语言版本。](./ALL_README.md)*
+
+> *通过此软件包，您可以在 YunoHost 服务器上快速、简单地安装 Backdrop。*  
+> *如果您还没有 YunoHost，请参阅[指南](https://yunohost.org/install)了解如何安装它。*
+
+## 概况
+
+Backdrop is a full-featured content management system that allows non-technical users to manage a wide variety of content. It can be used to create all kinds of websites including blogs, image galleries, social networks, intranets, and more.
+
+
+**分发版本：** 1.28.0~ynh1
+
+**演示：** <https://backdropcms.org/demo>
+
+## 截图
+
+![Backdrop 的截图](./doc/screenshots/Hello_world.png)
+
+## 文档与资源
+
+- 官方应用网站： <https://backdropcms.org/>
+- 官方用户文档： <https://backdropcms.org/user-guide>
+- 上游应用代码库： <https://github.com/backdrop/backdrop>
+- YunoHost 商店： <https://apps.yunohost.org/app/backdrop>
+- 报告 bug： <https://github.com/YunoHost-Apps/backdrop_ynh/issues>
+
+## 开发者信息
+
+请向 [`testing` 分支](https://github.com/YunoHost-Apps/backdrop_ynh/tree/testing) 发送拉取请求。
+
+如要尝试 `testing` 分支，请这样操作：
+
+```bash
+sudo yunohost app install https://github.com/YunoHost-Apps/backdrop_ynh/tree/testing --debug
+或
+sudo yunohost app upgrade backdrop -u https://github.com/YunoHost-Apps/backdrop_ynh/tree/testing --debug
+```
+
+**有关应用打包的更多信息：** <https://yunohost.org/packaging_apps>
diff --git a/manifest.toml b/manifest.toml
index bde510b..6999168 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -5,7 +5,7 @@ name = "Backdrop"
 description.en = "Easy-to-use CMS for building professional websites"
 description.fr = "CMS facile à utiliser pour créer des sites Web professionnels"
 
-version = "1.27.1~ynh1"
+version = "1.28.0~ynh1"
 
 maintainers = []
 
@@ -41,8 +41,8 @@ ram.runtime = "50M"
 
 [resources]
         [resources.sources.main]
-        url = "https://github.com/backdrop/backdrop/archive/refs/tags/1.27.1.tar.gz"
-        sha256 = "38f3aab60b4293f211e156ce77ec305a289a31cd56dd8997d417626309a8d266"
+        url = "https://github.com/backdrop/backdrop/archive/refs/tags/1.28.0.tar.gz"
+        sha256 = "e71352ef5ee73f5198ba33de0b8d1ecbe28f33a72f19855891f97519f0720eee"
         autoupdate.strategy = "latest_github_tag"
 
     [resources.system_user]