diff --git a/conf/config.json b/conf/config.json
index 02d8572..a7fb25b 100644
--- a/conf/config.json
+++ b/conf/config.json
@@ -14,6 +14,7 @@
     "hashing_default_password": true,
     "localstorage.allowsymlinks": true,
     "simpleSignUpLink.shown": false,
+    "default_phone_region": "",
     "maintenance_window_start": 1,
     "mail_smtpmode": "smtp",
     "mail_smtpport": "25",
diff --git a/conf/nginx.conf b/conf/nginx.conf
index aabd447..9aac4df 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -74,7 +74,7 @@ location ^~ __PATH__/ {
   # that file is correctly served; if it doesn't, then the request is passed to
   # the front-end controller. This consistent behaviour means that we don't need
   # to specify custom rules for certain paths (e.g. images and other assets,
-  # `/updater`, `/ocm-provider`, `/ocs-provider`), and thus
+  # `/updater`, `/ocs-provider`), and thus
   # `try_files $uri $uri/ /nextcloud/index.php$request_uri`
   # always provides the desired behaviour.
   index index.php index.html __PATH__/index.php$request_uri;
diff --git a/manifest.toml b/manifest.toml
index 78d412b..0ab98a4 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -122,8 +122,8 @@ ram.runtime = "512M"
     api.allowed = ["visitors", "all_users"]
 
     [resources.apt]
-    packages = "mariadb-server, imagemagick, libmagickcore-6.q16-6-extra, acl, tar, smbclient, at, redis-server, php8.3-fpm, php8.3-bz2, php8.3-imap, php8.3-gmp, php8.3-gd, php8.3-intl, php8.3-curl, php8.3-apcu, php8.3-redis, php8.3-ldap, php8.3-imagick, php8.3-zip, php8.3-mbstring, php8.3-xml, php8.3-mysql, php8.3-igbinary, php8.3-bcmath"
+    packages = "postgresql, imagemagick, libmagickcore-6.q16-6-extra, acl, tar, smbclient, at, redis-server, php8.3-pgsql, php8.3-mysql, php8.3-fpm, php8.3-bz2, php8.3-imap, php8.3-gmp, php8.3-gd, php8.3-intl, php8.3-curl, php8.3-apcu, php8.3-redis, php8.3-ldap, php8.3-imagick, php8.3-zip, php8.3-mbstring, php8.3-xml, php8.3-igbinary, php8.3-bcmath"
 
     [resources.database]
-    type = "mysql"
-    
+    type = "postgresql"
+    
\ No newline at end of file
diff --git a/scripts/_ynh_mysql_connect_as.sh b/scripts/_ynh_mysql_connect_as.sh
deleted file mode 100644
index a22963e..0000000
--- a/scripts/_ynh_mysql_connect_as.sh
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/bin/bash
-
-# Open a connection as a user
-#
-# example: ynh_mysql_connect_as --user="user" --password="pass" <<< "UPDATE ...;"
-# example: ynh_mysql_connect_as --user="user" --password="pass" --default_character_set="utf8mb4" < /path/to/file.sql
-#
-# usage: ynh_mysql_connect_as --user=user --password=password [--database=database] [--default_character_set=character-set]
-# | arg: -u, --user=                        - the user name to connect as
-# | arg: -p, --password=                    - the user password
-# | arg: -d, --database=                    - the database to connect to
-# | arg: -c, --default_character_set=       - the charset to use
-#
-# Requires YunoHost version 2.2.4 or higher.
-ynh_mysql_connect_as() {
-    # Declare an array to define the options of this helper.
-    local legacy_args=updc
-    local -A args_array=( [u]=user= [p]=password= [d]=database= [c]=default_character_set= )
-    local user
-    local password
-    local database
-    local default_character_set
-    # Manage arguments with getopts
-    ynh_handle_getopts_args "$@"
-    database="${database:-}"
-    default_character_set="${default_character_set:-}"
-
-    if [ -n "$default_character_set" ]
-    then
-        default_character_set="--default-character-set=$default_character_set"
-    else
-        default_character_set="--default-character-set=latin1"
-    fi
-
-    mysql --user="$user" --password="$password" "$default_character_set" --batch "$database"
-}
\ No newline at end of file
diff --git a/scripts/_ynh_mysql_dump_db.sh b/scripts/_ynh_mysql_dump_db.sh
deleted file mode 100644
index 3b922bb..0000000
--- a/scripts/_ynh_mysql_dump_db.sh
+++ /dev/null
@@ -1,37 +0,0 @@
-#!/bin/bash
-
-# Dump a database
-#
-# example: ynh_mysql_dump_db --database=roundcube --default_character_set="utf8mb4" > ./dump.sql
-#
-# usage: ynh_mysql_dump_db --database=database
-# | arg: -d, --database=                    - the database name to dump
-# | arg: -c, --default_character_set=       - the charset to use
-# | ret: the mysqldump output
-#
-# Requires YunoHost version 2.2.4 or higher.
-ynh_mysql_dump_db() {
-    # Declare an array to define the options of this helper.
-    local legacy_args=dc
-    local -A args_array=( [d]=database= [c]=default_character_set= )
-    local database
-    local default_character_set
-    # Manage arguments with getopts
-    ynh_handle_getopts_args "$@"
-    default_character_set="${default_character_set:-}"
-    MYSQL_ROOT_PWD_FILE=/etc/yunohost/mysql
-
-    if [ -n "$default_character_set" ]
-    then
-        default_character_set="--default-character-set=$default_character_set"
-    else
-        # By default, default character set is "latin1"
-        default_character_set="--default-character-set=latin1"
-    fi
-    
-    if [ -f "$MYSQL_ROOT_PWD_FILE" ]; then
-        mysqldump --user="root" --password="$(cat $MYSQL_ROOT_PWD_FILE)" --single-transaction --skip-dump-date "$default_character_set" "$database"
-    else
-        mysqldump --single-transaction --skip-dump-date "$default_character_set" "$database"
-    fi
-}
\ No newline at end of file
diff --git a/scripts/backup b/scripts/backup
index d9ecab9..733f4b1 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -8,7 +8,6 @@
 
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
-source ../settings/scripts/_ynh_mysql_dump_db.sh
 
 #=================================================
 # DECLARE DATA AND CONF FILES TO BACKUP
@@ -60,11 +59,11 @@ ynh_backup --src_path="/etc/cron.d/$app"
 ynh_backup --src_path="/var/log/$app"
 
 #=================================================
-# BACKUP THE MYSQL DATABASE
+# BACKUP THE POSTGRESQL DATABASE
 #=================================================
-ynh_print_info --message="Backing up the MySQL database..."
+ynh_print_info --message="Backing up the PostgreSQL database..."
 
-ynh_mysql_dump_db --database="$db_name" --default_character_set="utf8mb4" > db.sql
+ynh_psql_dump_db --database="$db_name" > db.sql
 
 #=================================================
 # BACKUP THE NOTIFY_PUSH APP
diff --git a/scripts/install b/scripts/install
index a4ef70a..f1ef315 100755
--- a/scripts/install
+++ b/scripts/install
@@ -2,20 +2,11 @@
 
 source _common.sh
 source /usr/share/yunohost/helpers
-source _ynh_mysql_connect_as.sh
 
 phpflags="--define apc.enable_cli=1"
 
 ynh_app_setting_set --app=$app --key=phpflags --value="$phpflags"
 
-#=================================================
-# CREATE A MYSQL DATABASE
-#=================================================
-ynh_script_progression --message="Migrate MySQL database to utf8..." --weight=2
-
-ynh_mysql_connect_as --user=$db_user --password="$db_pwd" --database=$db_name \
-    <<< "ALTER DATABASE $db_name CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;"
-
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
@@ -82,7 +73,7 @@ admin_password="$(ynh_string_random --length=6)"
 
 # Install Nextcloud using a temporary admin user
 exec_occ maintenance:install \
-    --database "mysql" --database-name $db_name \
+    --database "pgsql" --database-name $db_name \
     --database-user $db_user --database-pass "$db_pwd" \
     --admin-user "admin" --admin-pass "$admin_password" \
     --data-dir "$data_dir/data" \
@@ -185,8 +176,9 @@ exec_occ config:system:set overwrite.cli.url --value="https://${domain}${path}"
 #=================================================
 
 # Set the user as admin
-ynh_mysql_connect_as --user=$db_name --password="$db_pwd" --database=$db_name --default_character_set="utf8mb4" \
+ynh_psql_connect_as --user=$db_user --password="$db_pwd" --database=$db_name \
     <<< "INSERT INTO oc_group_user VALUES ('admin','$admin');"
+
 # And delete admin user
 exec_occ user:delete admin
 
@@ -250,10 +242,12 @@ ynh_script_progression --message="Adding multimedia directories..." --weight=6
 
 # Build YunoHost multimedia directories
 ynh_multimedia_build_main_dir
+
 # Mount the user directory in Nextcloud
 exec_occ app:enable files_external
 create_external_storage "/home/yunohost.multimedia/\$user" "Multimedia"
 create_external_storage "/home/yunohost.multimedia/share" "Shared multimedia"
+
 # Allow nextcloud to write into these directories
 ynh_multimedia_addaccess $app
 
diff --git a/scripts/remove b/scripts/remove
index 4bf6421..b4d1786 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -8,7 +8,7 @@ source /usr/share/yunohost/helpers
 #=================================================
 # REMOVE SYSTEMD SERVICE 
 #=================================================
-ynh_script_progression --message="Removing system configurations related to $app..." --weight=5
+ynh_script_progression --message="Removing system configurations related to $app..." --weight=10
 
 # Remove the dedicated NGINX config
 ynh_remove_nginx_config
diff --git a/scripts/restore b/scripts/restore
index d954430..ce14c42 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -2,7 +2,6 @@
 
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
-source ../settings/scripts/_ynh_mysql_connect_as.sh
 
 #=================================================
 # STANDARD RESTORATION STEPS
@@ -14,16 +13,16 @@ ynh_script_progression --message="Restoring the app main directory..."
 ynh_restore_file --origin_path="$install_dir"
 
 #=================================================
-# RESTORE THE MYSQL DATABASE
+# RESTORE THE POSTGRESQL DATABASE
 #=================================================
-ynh_script_progression --message="Restoring the MySQL database..." --weight=9
+ynh_script_progression --message="Restoring the PostgreSQL database..." --weight=9
 
-ynh_mysql_connect_as --user=$db_name --password=$db_pwd --database=$db_name --default_character_set="utf8mb4" < ./db.sql
+ynh_psql_connect_as --user=$db_user --password=$db_pwd --database=$db_name < ./db.sql
 
 #=================================================
 # RESTORE THE PHP-FPM CONFIGURATION
 #=================================================
-ynh_script_progression --message="Reconfiguring PHP-FPM..." --weight=50
+ynh_script_progression --message="Reconfiguring PHP-FPM..." --weight=5
 
 # Restore the file first, so it can have a backup if different
 ynh_restore_file --origin_path="/etc/php/$phpversion/fpm/pool.d/$app.conf"
diff --git a/scripts/upgrade b/scripts/upgrade
index 5313109..4c19802 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -55,6 +55,12 @@ filter_boring_occ_warnings() {
     sed -E 's@\s*([0-9]+\/[0-9]+\s+\[(-|>|=)+\]\s+[0-9]+%|\s*Starting ...|Nextcloud or one of the apps require upgrade - only a limited number of commands are available|You may use your browser or the occ upgrade command to do the upgrade)@@g'
 }
 
+current_version=$(grep OC_VersionString "$install_dir/version.php" | cut -d\' -f2)
+current_major_version=${current_version%%.*}
+
+last_version=$(ynh_read_manifest --manifest_key="resources.sources.main.url" | grep -o '[0-9][0-9]\.[0-9]\.[0-9]')
+last_major_version=${last_version%%.*}
+
 # Define a function to execute commands with `occ`
 exec_occ() {
     # Backward compatibility to upgrade from older versions
@@ -87,6 +93,35 @@ exec_occ() {
     php$NEXTCLOUD_PHP_VERSION --define apc.enable_cli=1 occ --no-interaction --no-ansi "$@") 2> >(filter_boring_occ_warnings >&2)
 }
 
+#=================================================
+# HANDLE DATABASE MIGRATION FROM MYSL TO PSQL
+#=================================================
+
+# If we're moving through version 29.0.3~ynh1 (in which the switch to psql is made)
+if ynh_compare_current_package_version --comparison lt --version 29.0.3~ynh1
+then
+    # Double-check the MySQL DB is here
+    if ! mysql -e "USE $db_name" 2>/dev/null 
+    then
+        ynh_print_warn "Uhoh? The Nextcloud MySQL DB doesn't exist? We are supposed to move it to PostgreSQL... Maybe it was already migrated?"
+        # Double check the psql is not empty, otherwise big whoops?
+        if [[ "$(ynh_psql_execute_as_root --database=$db_name --sql="\dt" 2>/dev/null | wc -l)" == 0 ]]
+        then
+                ynh_die "Apparently the PostgreSQL DB is also empty, this is kind of worrying, what happened?!"
+        else
+                ynh_print_warn "Apparently the PostgreSQL DB is not empty, so this is probably OK?"
+        fi
+    else
+        ynh_print_info --message="Migrating to PostgreSQL database..."
+        ynh_exec_warn_less exec_occ db:convert-type --all-apps --clear-schema pgsql $db_name 127.0.0.1 $db_name --password=$db_pwd -n
+        ynh_mysql_remove_db --db_user=$db_user --db_name=$db_name
+    fi
+fi
+
+#=================================================
+# DOWNLOAD, CHECK AND UNPACK SOURCE
+#=================================================
+
 # Define a function to add an external storage
 # Create the external storage for the given folders and enable sharing
 create_external_storage() {
@@ -122,12 +157,11 @@ function list_installed_apps_not_compatible_with_future_version()
     comm -23 <(comm -23 $installed_apps $core_apps_in_current_version) $nextcloud_destination_appcatalog
 }
 
+#current_version=$(grep OC_VersionString "$install_dir/version.php" | cut -d\' -f2)
+#current_major_version=${current_version%%.*}
 
-current_version=$(grep OC_VersionString "$install_dir/version.php" | cut -d\' -f2)
-current_major_version=${current_version%%.*}
-
-last_version=$(ynh_read_manifest --manifest_key="resources.sources.main.url" | grep -o '[0-9][0-9]\.[0-9]\.[0-9]')
-last_major_version=${last_version%%.*}
+#last_version=$(ynh_read_manifest --manifest_key="resources.sources.main.url" | grep -o '[0-9][0-9]\.[0-9]\.[0-9]')
+#last_major_version=${last_version%%.*}
 
 if [[ "$last_major_version" != "$current_major_version" ]]
 then
@@ -148,15 +182,6 @@ then
     # Print the current version number of Nextcloud
     exec_occ -V
 
-    if [ "$(exec_occ config:system:get mysql.utf8mb4)" != "true" ]; then
-        db_pwd=$(ynh_app_setting_get --app=$app --key=db_pwd)
-        # Change your databases character set and collation
-        ynh_mysql_connect_as --user=$db_user --password="$db_pwd" --database=$db_name \
-        <<< "ALTER DATABASE $db_name CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;"
-        # Set the mysql.utf8mb4 config to true in config.php
-        exec_occ config:system:set mysql.utf8mb4 --type boolean --value="true"
-        exec_occ maintenance:repair
-    fi
 
     # Upgrade may fail if this app is enabled
     # Take all apps enabled, and check if mail is one of them
@@ -274,6 +299,11 @@ then
     # Then remove the config file
     ynh_secure_remove --file="$nc_conf"
 
+    # Occasionally new mimetypes are added to better handle certain file types.
+    # Migrating the mimetypes take a long time on larger instances
+    # so this is not done automatically during upgrades.
+    exec_occ maintenance:repair --include-expensive
+
     #=================================================
     # ALLOW USERS TO DISCONNECT FROM NEXTCLOUD
     #=================================================