diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index ceb94dc09d..9eaeefdb12 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,19 +1,21 @@
 # Debian version
-ARG VARIANT="buster"
+ARG VARIANT="bookworm"
 FROM mcr.microsoft.com/vscode/devcontainers/base:0-${VARIANT}
 
 # Install PHP
+RUN apt-get -y update && apt-get -y install software-properties-common 
+RUN add-apt-repository ppa:ondrej/php
 RUN apt-get -y update
-RUN apt-get -y install php php-xml php-mbstring php-curl php-zip php-xdebug
+RUN apt-get -y install php8.4 php8.4-xml php8.4-mbstring php8.4-curl php8.4-zip php8.4-xdebug
 
 # Install Composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
 
 # Install MySQL
-RUN apt-get -y install mysql-server php-mysql
+RUN apt-get -y install mysql-server php8.4-mysql
 
 # Xdebug
-ADD resources/xdebug.ini /etc/php/8.1/apache2/conf.d/xdebug.ini
+ADD resources/xdebug.ini /etc/php/8.4/apache2/conf.d/xdebug.ini
 
 # Configure Apache
 RUN echo "Listen 8080" >> /etc/apache2/ports.conf && \
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/customisations-team/devcontainer.json
similarity index 74%
rename from .devcontainer/devcontainer.json
rename to .devcontainer/customisations-team/devcontainer.json
index 7bb0e9cc3a..5a0803656e 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/customisations-team/devcontainer.json
@@ -1,12 +1,12 @@
 // For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
 // https://github.com/microsoft/vscode-dev-containers/tree/v0.238.1/containers/ubuntu
 {
-	"name": "Ubuntu",
+	"name": "phpBB (Customisations Team)",
 	"build": {
-		"dockerfile": "Dockerfile",
-		// Update 'VARIANT' to pick an Ubuntu version: jammy / ubuntu-22.04, focal / ubuntu-20.04, bionic /ubuntu-18.04
-		// Use ubuntu-22.04 or ubuntu-18.04 on local arm64/Apple Silicon.
-		"args": { "VARIANT": "ubuntu-22.04" }
+		"dockerfile": "../Dockerfile",
+		"args": { 
+			"VARIANT": "ubuntu-22.04"
+		}
 	},
 
 	// Configure tool-specific properties.
@@ -27,7 +27,7 @@
 	"forwardPorts": [80, 9003],
 
 	// Use 'postCreateCommand' to run commands after the container is created.
-	"postStartCommand": "bash .devcontainer/resources/setup.sh",
+	"postStartCommand": "bash .devcontainer/customisations-team/setup.sh",
 
 	// Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
 	"remoteUser": "vscode",
diff --git a/.devcontainer/customisations-team/phpbb-config.yml b/.devcontainer/customisations-team/phpbb-config.yml
new file mode 100644
index 0000000000..1ddc1f4247
--- /dev/null
+++ b/.devcontainer/customisations-team/phpbb-config.yml
@@ -0,0 +1,37 @@
+installer:
+    admin:
+        name: admin
+        password: adminadmin
+        email: admin@example.org
+
+    board:
+        lang: en
+        name: My Board (with Titania)
+        description: My amazing new phpBB board (with Titania)
+
+    database:
+        dbms: mysqli
+        dbhost: 127.0.0.1
+        dbport: 3306
+        dbuser: phpbb
+        dbpasswd: phpbb
+        dbname: phpbb
+        table_prefix: phpbb_
+
+    email:
+        enabled: false
+        smtp_delivery : ~
+        smtp_host: ~
+        smtp_port: ~
+        smtp_user: ~
+        smtp_pass: ~
+
+    server:
+        cookie_secure: false
+        server_protocol: http://
+        force_server_vars: true
+        server_name: localhost
+        server_port: 80
+        script_path: /
+
+    extensions: ["phpbb/titania"]
diff --git a/.devcontainer/customisations-team/setup.sh b/.devcontainer/customisations-team/setup.sh
new file mode 100644
index 0000000000..a29d5681b6
--- /dev/null
+++ b/.devcontainer/customisations-team/setup.sh
@@ -0,0 +1,81 @@
+# setup.sh - Customisations Team
+# Commands to install and configure phpBB
+echo "[Codespaces] Customisations Team configuration..."
+
+# Start MySQL
+echo "[Codespaces] Start MySQL"
+sudo service mysql start
+
+# Start Apache
+echo "[Codespaces] Start Apache"
+sudo apache2ctl start
+
+# Create a MySQL user to use
+echo "[Codespaces] Create MySQL user"
+sudo mysql -u root<<EOFMYSQL
+    CREATE USER 'phpbb'@'localhost' IDENTIFIED BY 'phpbb';
+    GRANT ALL PRIVILEGES ON *.* TO 'phpbb'@'localhost' WITH GRANT OPTION;
+    CREATE DATABASE IF NOT EXISTS phpbb;
+EOFMYSQL
+
+# Symlink the webroot so it can be viewed
+echo "[Codespaces] Create Symlink of webroot"
+sudo rm -rf /var/www/html
+sudo ln -s /workspaces/phpbb/phpBB /var/www/html
+
+# Force the server URL to reflect the Codespace
+# https://docs.github.com/en/codespaces/developing-in-a-codespace/default-environment-variables-for-your-codespace
+if [ "$CODESPACES" = true ] ; then
+    cp /workspaces/phpbb/.devcontainer/customisations-team/phpbb-config.yml /tmp/phpbb-config.yml
+    CODESPACES_URL="${CODESPACE_NAME}-80.${GITHUB_CODESPACES_PORT_FORWARDING_DOMAIN}"
+    echo "[Codespaces] Set the phpBB server name using default environment variables: $CODESPACES_URL"
+    sed -i "s/localhost/$CODESPACES_URL/g" /tmp/phpbb-config.yml
+fi
+
+URL_EPV="https://github.com/phpbb/epv"
+URL_TV="https://github.com/phpbb/phpbb-translation-validator"
+URL_TITANIA="https://github.com/phpbb/customisation-db.git"
+
+# Install Titania
+echo "[Codespaces] Install Titania"
+cd /workspaces/
+git clone -b oberon $URL_TITANIA titania
+cd /workspaces/titania
+chmod 755 files store
+composer install --no-interaction
+chmod 755 /workspaces/phpbb/phpBB/ext
+mkdir /workspaces/phpbb/phpBB/ext/phpbb
+sudo ln -s /workspaces/titania /workspaces/phpbb/phpBB/ext/phpbb/titania
+
+# Install EPV
+echo "[Codespaces] Install EPV"
+cd /workspaces/
+git clone -b master $URL_EPV epv
+cd /workspaces/epv
+composer install --no-interaction
+rm -rf /workspaces/phpbb/phpBB/ext/phpbb/titania/vendor/phpbb/epv
+sudo ln -s /workspaces/epv /workspaces/phpbb/phpBB/ext/phpbb/titania/vendor/phpbb/epv
+
+# Install Translation Validator
+echo "[Codespaces] Install Translation Validator"
+cd /workspaces/
+git clone -b master $URL_TV translation-validator
+cd /workspaces/translation-validator
+composer install --no-interaction
+rm -rf /workspaces/phpbb/phpBB/ext/phpbb/titania/vendor/phpbb/translation-validator
+sudo ln -s /workspaces/translation-validator /workspaces/phpbb/phpBB/ext/phpbb/titania/vendor/phpbb/translation-validator
+
+# Install phpBB (last so that the extension is auto-installed)
+echo "[Codespaces] Run phpBB CLI installation"
+cd /workspaces/phpbb/phpBB && composer install --no-interaction
+sudo php /workspaces/phpbb/phpBB/install/phpbbcli.php install /tmp/phpbb-config.yml
+rm -rf /workspaces/phpbb/phpBB/install
+
+# Set to debug mode
+sed -i \
+  -e "s|@define('PHPBB_ENVIRONMENT', 'production');|@define('PHPBB_ENVIRONMENT', 'development');|" \
+  -e "s|// *@define('DEBUG_CONTAINER', true);|@define('DEBUG_CONTAINER', true);|" \
+  /workspaces/phpbb/phpBB/config.php
+
+# Finished
+echo "[Codespaces] phpBB (Customisation Team) installation completed"
diff --git a/.devcontainer/development-team/devcontainer.json b/.devcontainer/development-team/devcontainer.json
new file mode 100644
index 0000000000..729eb1c48e
--- /dev/null
+++ b/.devcontainer/development-team/devcontainer.json
@@ -0,0 +1,37 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.238.1/containers/ubuntu
+{
+	"name": "phpBB (Development Team)",
+	"build": {
+		"dockerfile": "../Dockerfile",
+		"args": { 
+			"VARIANT": "ubuntu-22.04"
+		}
+	},
+
+	// Configure tool-specific properties.
+	"customizations": {
+		// Configure properties specific to VS Code.
+		"vscode": {
+			"settings": {
+				// Allow Xdebug to listen to requests from remote (or container)
+				"remote.localPortHost": "allInterfaces"
+			},
+			//"devPort": {},
+			// Specify which VS Code extensions to install (List of IDs)
+			"extensions": ["xdebug.php-debug"]
+			}
+		},
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	"forwardPorts": [80, 9003],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	"postStartCommand": "bash .devcontainer/development-team/setup.sh",
+
+	// Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "vscode",
+	"features": {
+		"github-cli": "latest"
+	}
+}
diff --git a/.devcontainer/resources/phpbb-config.yml b/.devcontainer/development-team/phpbb-config.yml
similarity index 97%
rename from .devcontainer/resources/phpbb-config.yml
rename to .devcontainer/development-team/phpbb-config.yml
index 9c781c1201..21ff0fd9ca 100644
--- a/.devcontainer/resources/phpbb-config.yml
+++ b/.devcontainer/development-team/phpbb-config.yml
@@ -23,7 +23,6 @@ installer:
         smtp_delivery : ~
         smtp_host: ~
         smtp_port: ~
-        smtp_auth: ~
         smtp_user: ~
         smtp_pass: ~
 
diff --git a/.devcontainer/resources/setup.sh b/.devcontainer/development-team/setup.sh
similarity index 63%
rename from .devcontainer/resources/setup.sh
rename to .devcontainer/development-team/setup.sh
index 9d01fdf16d..70fdf0bf6d 100644
--- a/.devcontainer/resources/setup.sh
+++ b/.devcontainer/development-team/setup.sh
@@ -1,5 +1,6 @@
-# setup.sh
+# setup.sh - Development Team
 # Commands to install and configure phpBB
+echo "[Codespaces] Development Team configuration..."
 
 # Start MySQL
 echo "[Codespaces] Start MySQL"
@@ -7,11 +8,7 @@ sudo service mysql start
 
 # Start Apache
 echo "[Codespaces] Start Apache"
-sudo service apache2 start
-
-# Add SSH key
-echo "[Codespaces] Add SSH key"
-echo "$SSH_KEY" > /home/vscode/.ssh/id_rsa && chmod 600 /home/vscode/.ssh/id_rsa
+sudo apache2ctl start
 
 # Create a MySQL user to use
 echo "[Codespaces] Create MySQL user"
@@ -30,23 +27,24 @@ echo "[Codespaces] Create Symlink of webroot"
 sudo rm -rf /var/www/html
 sudo ln -s /workspaces/phpbb/phpBB /var/www/html
 
-# Copy phpBB config
-echo "[Codespaces] Copy phpBB configuration"
-cp /workspaces/phpbb/.devcontainer/resources/phpbb-config.yml /workspaces/phpbb/phpBB/install/install-config.yml
-
 # Force the server URL to reflect the Codespace
 # https://docs.github.com/en/codespaces/developing-in-a-codespace/default-environment-variables-for-your-codespace
 if [ "$CODESPACES" = true ] ; then
-    echo "[Codespaces] Set the phpBB server name using default environment variables"
-    codespaces_url="${CODESPACE_NAME}-80.${GITHUB_CODESPACES_PORT_FORWARDING_DOMAIN}"
-    sed -i "s/localhost/$codespaces_url/g" /workspaces/phpbb/phpBB/install/install-config.yml
+    cp /workspaces/phpbb/.devcontainer/development-team/phpbb-config.yml /tmp/phpbb-config.yml
+    CODESPACES_URL="${CODESPACE_NAME}-80.${GITHUB_CODESPACES_PORT_FORWARDING_DOMAIN}"
+    echo "[Codespaces] Set the phpBB server name using default environment variables: $CODESPACES_URL"
+    sed -i "s/localhost/$CODESPACES_URL/g" /tmp/phpbb-config.yml
 fi
 
+# Copy phpBB config
+# echo "[Codespaces] Copy phpBB configuration"
+# cp /workspaces/phpbb/.devcontainer/resources/phpbb-config.yml /workspaces/phpbb/phpBB/install/install-config.yml
+
 # Install phpBB
 echo "[Codespaces] Run phpBB CLI installation"
 cd /workspaces/phpbb/phpBB && composer install --no-interaction
-sudo php /workspaces/phpbb/phpBB/install/phpbbcli.php install /workspaces/phpbb/phpBB/install/install-config.yml
+sudo php /workspaces/phpbb/phpBB/install/phpbbcli.php install /tmp/phpbb-config.yml
 rm -rf /workspaces/phpbb/phpBB/install
 
 # Finished
-echo "[Codespaces] phpBB installation completed"
+echo "[Codespaces] phpBB (Development Team) installation completed"