diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index c793cc3..b93b94d 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,30 +1,18 @@
-FROM mcr.microsoft.com/devcontainers/php:0-7.4-bullseye
+ARG imageVariant
+FROM mcr.microsoft.com/devcontainers/php:1-${imageVariant}
 
 # Replaces invalid key. Required to use apt-get when running this PHP 7.4 image.
-RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - && \
-    echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list
+# RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - && \
+#     echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list
 
 # Install packages
 RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
-    && apt-get install -y mariadb-client libpng-dev \
+    && apt-get install -y mariadb-client libpng-dev apache2 bash-completion subversion \
     && apt-get clean -y && rm -rf /var/lib/apt/lists/*
 
 # Install php-mysql driver
 RUN docker-php-ext-install mysqli pdo pdo_mysql pcntl gd
 
-# Install additional packages
-RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
-    && apt-get -y install --no-install-recommends bash-completion subversion
-
-# Set up self signed SSL certificate and enable SSL
-RUN openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /etc/ssl/private/localhost.key -out /etc/ssl/certs/localhost.crt -subj "/C=US/ST=Denial/L=Springfield/O=Dis/CN=localhost" \
-   && a2enmod ssl \
-   && a2ensite default-ssl
-
-# Add self signed ssl certificate to site config
-RUN sed -i 's/SSLCertificateFile.*/SSLCertificateFile \/etc\/ssl\/certs\/localhost.crt/g' /etc/apache2/sites-available/default-ssl.conf \
-    && sed -i 's/SSLCertificateKeyFile.*/SSLCertificateKeyFile \/etc\/ssl\/private\/localhost.key/g' /etc/apache2/sites-available/default-ssl.conf
-
 # Install WP-CLI
 RUN curl -O https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar \
     && chmod +x wp-cli.phar \
@@ -34,7 +22,14 @@ RUN curl -O https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli
 RUN curl -O https://raw.githubusercontent.com/wp-cli/wp-cli/master/utils/wp-completion.bash \
     && mv wp-completion.bash /etc/bash_completion.d/wp-completion.bash
 
-RUN a2enmod headers mime rewrite
+# Generate self-signed SSL certificate and add to site conf
+RUN openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /etc/ssl/private/apache-selfsigned.key -out /etc/ssl/certs/apache-selfsigned.crt \
+    -subj "/C=US/ST=State/L=City/O=Organization/OU=Unit/CN=example.com" \
+    && sed -i 's/SSLCertificateFile\t\/etc\/ssl\/certs\/ssl-cert-snakeoil.pem/SSLCertificateFile \/etc\/ssl\/certs\/apache-selfsigned.crt/g' /etc/apache2/sites-available/default-ssl.conf \
+    && sed -i 's/SSLCertificateKeyFile \/etc\/ssl\/private\/ssl-cert-snakeoil.key/SSLCertificateKeyFile \/etc\/ssl\/private\/apache-selfsigned.key/g' /etc/apache2/sites-available/default-ssl.conf
+
+RUN a2enmod headers mime rewrite ssl
+RUN a2ensite default-ssl
 
 # [Optional] Uncomment this line to install global node packages.
 # RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 41ff0be..25c10f1 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -6,21 +6,16 @@
 	"service": "app",
 	"workspaceFolder": "/workspaces/${localWorkspaceFolderBasename}",
 	"forwardPorts": [
-		80,
-		443,
-		3306,
-		8080,
-		8001
+		443
 	],
 	"containerEnv": {
 		"XDEBUG_MODE": "off"
 	},
 	// Use 'postCreateCommand' to run commands after the container is created.
 	"postCreateCommand": {
-		"symlink-to-www": "sudo chmod a+x \"$(pwd)\" && sudo rm -rf /var/www/html && sudo ln -s \"$(pwd)\" /var/www/html",
+		"apache": "sudo chmod a+x \"$(pwd)\" && sudo rm -rf /var/www/html && sudo ln -s \"$(pwd)\" /var/www/html && sudo service apache2 start",
 		"symlink-npmrc-to-user-catalog": "ln -s \"$(pwd)/.devcontainer/config/.npmrc\" /home/vscode/.npmrc",
-		"start-apache": "sudo service apache2 start",
-		"add-github-token-to-composer": "composer config github-oauth.github.com $MUNICIPIO_GITHUB_TOKEN"
+		"add-github-token-to-composer": "composer config github-oauth.github.com $MUNICIPIO_GITHUB_TOKEN",
 	},
 	// Features to add to the dev container. More info: https://containers.dev/features.
 	"features": {
@@ -28,7 +23,7 @@
 			"version": "16"
 		}
 	},
-	"waitFor": "postCreateCommand",
+	// "waitFor": "postCreateCommand",
 	// Configure tool-specific properties.
 	"customizations": {
 		"vscode": {
@@ -54,18 +49,13 @@
 						"onAutoForward": "openPreview",
 						"requireLocalPort": false,
 						"protocol": "https"
-					},
-					"8080": {
-						"label": "phpMyAdmin"
-					},
-					"8001": {
-						"label": "RedisInsight "
 					}
 				},
 				"intelephense.environment.includePaths": [
 					"/tmp/wordpress-tests-lib",
 					"/tmp/wordpress"
-				]
+				],
+				"intelephense.environment.phpVersion": "8.3"
 			}
 		}
 	}
diff --git a/.devcontainer/docker-compose.yml b/.devcontainer/docker-compose.yml
index 60e6cdc..498efb4 100644
--- a/.devcontainer/docker-compose.yml
+++ b/.devcontainer/docker-compose.yml
@@ -5,6 +5,9 @@ services:
     build:
       context: .
       dockerfile: Dockerfile
+      args:
+        imageVariant: 8.0-bullseye
+
     env_file:
       - .env
 
@@ -35,7 +38,7 @@ services:
     image: phpmyadmin/phpmyadmin
     restart: always
     ports:
-      - '8080:80'
+      - '80'
     environment:
       PMA_HOST: db
       MYSQL_ROOT_PASSWORD: mariadb
@@ -50,7 +53,7 @@ services:
   redis-insight:
     image: "redislabs/redisinsight:latest"
     ports:
-        - '8001:8001'
+        - '8001'
     environment:
         - REDIS_URI=redis://redis:6379
 
diff --git a/.github/workflows/deploy-production.yml b/.github/workflows/deploy-production.yml
index affd896..625bf6e 100644
--- a/.github/workflows/deploy-production.yml
+++ b/.github/workflows/deploy-production.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
-    - uses: helsingborg-stad/municipio-deploy/3.0@master
+    - uses: helsingborg-stad/municipio-deploy/4.0@master
       with:
         deploy-host: ${{ secrets.DEPLOY_REMOTE_HOST_PROD }}
         deploy-port: ${{ secrets.DEPLOY_REMOTE_PORT_PROD }}
diff --git a/.github/workflows/deploy-stage.yml b/.github/workflows/deploy-stage.yml
index 9ce1218..c19d01a 100644
--- a/.github/workflows/deploy-stage.yml
+++ b/.github/workflows/deploy-stage.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
-    - uses: helsingborg-stad/municipio-deploy/3.0@master
+    - uses: helsingborg-stad/municipio-deploy/4.0@master
       with:
         deploy-host: ${{ secrets.DEPLOY_REMOTE_HOST_STAGE }}
         deploy-port: ${{ secrets.DEPLOY_REMOTE_PORT_STAGE }}
diff --git a/composer.json b/composer.json
index e9e540b..889a3cd 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,7 @@
     }
   ],
   "require": {
-    "php": ">=7.4",
+    "php": "^8.0",
     "apix/log": "^1.2.2",
     "aws/aws-sdk-php": "^3.282.1",
     "composer/installers": "~1.0",
@@ -41,47 +41,48 @@
     "helsingborg-stad/acf-ux-collapse": "~2.0.0",
     "helsingborg-stad/active-directory-api-wp-integration": "~3.0.7",
     "helsingborg-stad/algolia-index": "~3.0.6",
-    "helsingborg-stad/algolia-index-js-searchpage-addon": "~2.0.2",
+    "helsingborg-stad/algolia-index-js-searchpage-addon": "^3.0.2",
     "helsingborg-stad/algolia-index-modularity-addon": "~3.0.5",
-    "helsingborg-stad/api-alarm-integration": "~3.0.4",
-    "helsingborg-stad/api-event-manager-integration": "~1.2.7",
+    "helsingborg-stad/api-alarm-integration": "^4.0.1",
+    "helsingborg-stad/api-event-manager-integration": "^2.0.1",
     "helsingborg-stad/api-project-manager-integration": "~2.0.2",
-    "helsingborg-stad/api-volunteer-manager-integration": "~2.2.19",
+    "helsingborg-stad/api-volunteer-manager-integration": "^3.0.1",
     "helsingborg-stad/attachment-revisions": "~3.0.4",
     "helsingborg-stad/better-post-ui": "~3.0.3",
+    "helsingborg-stad/blade": "^3.4.3",
     "helsingborg-stad/broken-link-detector": "~3.0.3",
-    "helsingborg-stad/component-library": "~3.17.2",
+    "helsingborg-stad/component-library": "^4.0.14",
     "helsingborg-stad/content-scheduler": "~3.0.5",
     "helsingborg-stad/custom-short-links": "~3.0.4",
     "helsingborg-stad/customer-feedback": "~4.0.6",
     "helsingborg-stad/easy-to-read-alternative": "~3.0.4",
     "helsingborg-stad/force-ssl": "~3.0.2",
-    "helsingborg-stad/gdi-modularity-cases": "~1.0.3",
-    "helsingborg-stad/gdi-modularity-invoices": "~1.0.4",
-    "helsingborg-stad/gdi-modularity-my-pages-about-me": "~1.0.3",
-    "helsingborg-stad/global-blade-engine": "~2",
-    "helsingborg-stad/job-listings": "~4.1.2",
-    "helsingborg-stad/like-posts": "~1.1.0",
+    "helsingborg-stad/gdi-modularity-cases": "~1.0.4",
+    "helsingborg-stad/gdi-modularity-invoices": "~1.0.5",
+    "helsingborg-stad/gdi-modularity-my-pages-about-me": "~1.0.4",
+    "helsingborg-stad/job-listings": "~4.1.3",
+    "helsingborg-stad/kirki": "~5.1.0",
+    "helsingborg-stad/like-posts": "^2.1.1",
     "helsingborg-stad/lix-calculator": "~4.0.2",
     "helsingborg-stad/media-usage": "~3.0.4",
-    "helsingborg-stad/mod-my-pages": "~1.0.3",
-    "helsingborg-stad/modularity": "~5.23.2",
+    "helsingborg-stad/mod-my-pages": "~1.0.5",
+    "helsingborg-stad/modularity": "^6.0.10",
     "helsingborg-stad/modularity-contact-banner": "~3.1.0",
-    "helsingborg-stad/modularity-entryscape": "~3.0.3",
+    "helsingborg-stad/modularity-entryscape": "^4.0.0",
     "helsingborg-stad/modularity-form-builder": "~3.1.2",
     "helsingborg-stad/modularity-guides": "~4.0.2",
     "helsingborg-stad/modularity-interactive-img-map": "~4.0.2",
     "helsingborg-stad/modularity-json-render": "~3.0.2",
     "helsingborg-stad/modularity-local-events": "~3.1.0",
-    "helsingborg-stad/modularity-open-street-map": "~1.1.3",
-    "helsingborg-stad/modularity-products": "~2.0.2",
-    "helsingborg-stad/modularity-recommend": "~2.0.2",
+    "helsingborg-stad/modularity-open-street-map": "^2.0.1",
+    "helsingborg-stad/modularity-products": "^3.0.0",
+    "helsingborg-stad/modularity-recommend": "^3.0.0",
     "helsingborg-stad/modularity-sections": "~3.0.2",
     "helsingborg-stad/modularity-testimonials": "~3.0.2",
-    "helsingborg-stad/modularity-timeline": "~3.0.2",
+    "helsingborg-stad/modularity-timeline": "^4.0.0",
     "helsingborg-stad/multi-network-urls": "~2.0.0",
     "helsingborg-stad/multisite-role-propagation": "~3.0.3",
-    "helsingborg-stad/municipio": "~3.67.2",
+    "helsingborg-stad/municipio": "^4.1.8",
     "helsingborg-stad/redirection-extended": "~3.0.3",
     "helsingborg-stad/s3-uploads-custom-endpoint": "~2.0.0",
     "helsingborg-stad/search-notices": "~3.0.2",
@@ -90,6 +91,7 @@
     "helsingborg-stad/wp-page-for-term": "~3.0.2",
     "helsingborg-stad/wp-search-statistics": "~1.0.1",
     "helsingborg-stad/wpmu-acf-google-maps-key": "~1.0.0",
+    "helsingborg-stad/wpmu-correct-file-paths": "~1.1.3",
     "helsingborg-stad/wpmu-litespeed-common-settings": "~2.0.1",
     "helsingborg-stad/wpmu-mu-plugins-url-everywhere": "~2.0.1",
     "helsingborg-stad/wpmu-network-admin-url": "~2.0.3",
@@ -112,22 +114,19 @@
     "wpackagist-plugin/autodescription": "~4.2.8",
     "wpackagist-plugin/cookies-and-content-security-policy": "~2.22",
     "wpackagist-plugin/fakerpress": "~0.6.2",
-    "helsingborg-stad/kirki": "~5.0.0",
     "wpackagist-plugin/litespeed-cache": "~5.6",
     "wpackagist-plugin/network-plugin-auditor": "~1.10.1",
     "wpackagist-plugin/nginx-helper": "^2.2.4",
-    "wpackagist-plugin/performant-translations": "~1.1.1",
     "wpackagist-plugin/redirection": "~5.4.2",
     "wpackagist-plugin/redis-cache": "2.5.0",
     "wpackagist-plugin/simple-smtp": "~1.3.3",
-    "wpackagist-plugin/stream":"~3.10.0",
+    "wpackagist-plugin/stream": "~3.10.0",
     "wpackagist-plugin/user-switching": "~1.7.2",
     "wpackagist-plugin/username-changer": "~3.2.2",
     "wpackagist-plugin/varnish-http-purge": "~5.2.1",
     "wpackagist-plugin/wp-multi-network": "~2.5.2",
     "wpackagist-plugin/wp-nested-pages": "~3.2.4",
-    "wpackagist-plugin/wp-sentry-integration": "^6.26",
-    "helsingborg-stad/wpmu-correct-file-paths": "~1.1.3"
+    "wpackagist-plugin/wp-sentry-integration": "^6.26"
   },
   "extra": {
       "path": "/",
@@ -135,11 +134,7 @@
       "installer-paths": {
         "wp-content/mu-plugins/{$name}": [
           "type:wordpress-muplugin",
-          "type:acf-plugin",
-          "kirki-framework/kirki",
-          "helsingborg-stad/kirki",
-          "wpackagist-plugin/kirki",
-          "wpackagist-plugin/performant-translations"
+          "type:acf-plugin"
         ],
         "wp-content/plugins/{$name}": [
           "type:wordpress-plugin"
@@ -167,13 +162,11 @@
   "scripts": {
     "post-install-cmd": [
       "mkdir -p wp-content/uploads/cache/blade-cache",
-      "composer dump-autoload -o",
-      "if [ -d vendor/helsingborg-stad/kirki ]; then mv vendor/helsingborg-stad/kirki wp-content/mu-plugins/kirki/; fi"
+      "composer dump-autoload -o"
     ],
     "post-update-cmd": [
       "composer dump-autoload -o --working-dir ./wp-content/plugins/s3-uploads/",
-      "composer dump-autoload -o",
-      "if [ -d vendor/helsingborg-stad/kirki ]; then mv vendor/helsingborg-stad/kirki wp-content/mu-plugins/kirki/; fi"
+      "composer dump-autoload -o"
     ]
   }
 }
diff --git a/wp-content/object-cache.php b/wp-content/object-cache.php
index dc4f3e2..f436f85 100644
--- a/wp-content/object-cache.php
+++ b/wp-content/object-cache.php
@@ -2535,6 +2535,11 @@ public function fast_build_key( $key, $group = 'default' ) {
      * @return  string        Sanitized string.
      */
     protected function sanitize_key_part( $part ) {
+
+        if( $part === null ) {
+            return '';
+        }
+
         return str_replace( ':', '-', $part );
     }