diff --git a/.gitignore b/.gitignore
index 318172ded..3ba13f708 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,8 +8,8 @@ public/modules/contrib
 public/themes/contrib
 public/sites/default/files
 vendor
-helfi-test-automation-python/
 public/sites/simpletest/
+public/sites/backstop/
 
 # Ignore the folder created by PhpStorm
 .idea/*
diff --git a/composer.lock b/composer.lock
index 8155cf553..d6f073669 100644
--- a/composer.lock
+++ b/composer.lock
@@ -3871,21 +3871,22 @@
         },
         {
             "name": "drupal/helfi_api_base",
-            "version": "2.7.0",
+            "version": "2.7.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/City-of-Helsinki/drupal-module-helfi-api-base.git",
-                "reference": "a4a0aaf97d34d0a04c6799be10b198558cce60aa"
+                "reference": "0c5927f9468396d85060dc87e650a08a07648173"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/City-of-Helsinki/drupal-module-helfi-api-base/zipball/a4a0aaf97d34d0a04c6799be10b198558cce60aa",
-                "reference": "a4a0aaf97d34d0a04c6799be10b198558cce60aa",
+                "url": "https://api.github.com/repos/City-of-Helsinki/drupal-module-helfi-api-base/zipball/0c5927f9468396d85060dc87e650a08a07648173",
+                "reference": "0c5927f9468396d85060dc87e650a08a07648173",
                 "shasum": ""
             },
             "require": {
                 "drupal/entity": "^1.0",
                 "drupal/health_check": "^3.0",
+                "drupal/monolog": "^3.0",
                 "drupal/raven": "^4.0 || ^5.0",
                 "ext-curl": "*",
                 "firebase/php-jwt": "^6.5",
@@ -3909,10 +3910,10 @@
             ],
             "description": "Helfi - API Base",
             "support": {
-                "source": "https://github.com/City-of-Helsinki/drupal-module-helfi-api-base/tree/2.7.0",
+                "source": "https://github.com/City-of-Helsinki/drupal-module-helfi-api-base/tree/2.7.1",
                 "issues": "https://github.com/City-of-Helsinki/drupal-module-helfi-api-base/issues"
             },
-            "time": "2024-04-17T14:27:13+00:00"
+            "time": "2024-04-23T08:00:30+00:00"
         },
         {
             "name": "drupal/helfi_azure_fs",
@@ -4075,16 +4076,16 @@
         },
         {
             "name": "drupal/helfi_platform_config",
-            "version": "4.3.49",
+            "version": "4.3.50",
             "source": {
                 "type": "git",
                 "url": "https://github.com/City-of-Helsinki/drupal-helfi-platform-config.git",
-                "reference": "d5382f4501486bd8e4b2c175ed5e2769f00df4e8"
+                "reference": "31270962a560539df2642cb8224fe57d4ed60fdc"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/City-of-Helsinki/drupal-helfi-platform-config/zipball/d5382f4501486bd8e4b2c175ed5e2769f00df4e8",
-                "reference": "d5382f4501486bd8e4b2c175ed5e2769f00df4e8",
+                "url": "https://api.github.com/repos/City-of-Helsinki/drupal-helfi-platform-config/zipball/31270962a560539df2642cb8224fe57d4ed60fdc",
+                "reference": "31270962a560539df2642cb8224fe57d4ed60fdc",
                 "shasum": ""
             },
             "require": {
@@ -4176,6 +4177,9 @@
                     "drupal/default_content": {
                         "https://www.drupal.org/project/default_content/issues/2640734#comment-14638943": "https://raw.githubusercontent.com/City-of-Helsinki/drupal-helfi-platform-config/main/patches/default_content_2.0.0-alpha2-2640734_manual_imports-e164a354.patch"
                     },
+                    "drupal/editoria11y": {
+                        "[#3442729] Run drupalSettings.editoria11y.css_url through file_url_generator service": "https://raw.githubusercontent.com/City-of-Helsinki/drupal-helfi-platform-config/3a3b005271e7db4476198d822aba1e3ee2e0b8e6/patches/editoria11y-3442729.patch"
+                    },
                     "drupal/eu_cookie_compliance": {
                         "[#UHF-885] Helfi-specific customizations to EU Cookie Compliance": "https://raw.githubusercontent.com/City-of-Helsinki/drupal-helfi-platform-config/923b35f699820b544397a35b7696570e101cd02c/patches/eu_cookie_compliance_block_8.x-1.24.patch",
                         "[#UHF-8720] Missing config schema for dependencies (https://www.drupal.org/i/3330024)": "https://www.drupal.org/files/issues/2022-12-28/config_dependencies_schema-3330024-2.patch"
@@ -4201,10 +4205,10 @@
             ],
             "description": "HELfi platform config",
             "support": {
-                "source": "https://github.com/City-of-Helsinki/drupal-helfi-platform-config/tree/4.3.49",
+                "source": "https://github.com/City-of-Helsinki/drupal-helfi-platform-config/tree/4.3.50",
                 "issues": "https://github.com/City-of-Helsinki/drupal-helfi-platform-config/issues"
             },
-            "time": "2024-04-19T11:57:05+00:00"
+            "time": "2024-04-23T08:12:58+00:00"
         },
         {
             "name": "drupal/helfi_proxy",
@@ -4960,6 +4964,77 @@
                 "docs": "https://www.drupal.org/docs/8/modules/metatag"
             }
         },
+        {
+            "name": "drupal/monolog",
+            "version": "3.0.2",
+            "source": {
+                "type": "git",
+                "url": "https://git.drupalcode.org/project/monolog.git",
+                "reference": "3.0.2"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://ftp.drupal.org/files/projects/monolog-3.0.2.zip",
+                "reference": "3.0.2",
+                "shasum": "a88e8249028e56a21c4472891381412b9733f768"
+            },
+            "require": {
+                "drupal/core": "^10",
+                "monolog/monolog": "^3.2.0",
+                "php": "^8.1.0"
+            },
+            "require-dev": {
+                "mglaman/phpstan-drupal": "^1.1",
+                "phpstan/extension-installer": "^1.3",
+                "phpstan/phpstan": "^1.11",
+                "phpstan/phpstan-deprecation-rules": "*",
+                "phpstan/phpstan-strict-rules": "^1.5",
+                "previousnext/coding-standard": "^1.0"
+            },
+            "type": "drupal-module",
+            "extra": {
+                "drupal": {
+                    "version": "3.0.2",
+                    "datestamp": "1707845433",
+                    "security-coverage": {
+                        "status": "covered",
+                        "message": "Covered by Drupal's security advisory policy"
+                    }
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "Drupal\\Monolog": "src/"
+                }
+            },
+            "notification-url": "https://packages.drupal.org/8/downloads",
+            "license": [
+                "GPL-2.0"
+            ],
+            "authors": [
+                {
+                    "name": "Luca Lusso",
+                    "homepage": "https://www.drupal.org/user/266779",
+                    "email": "lussoluca@gmail.com",
+                    "role": "Project Lead"
+                },
+                {
+                    "name": "See contributors",
+                    "homepage": "https://drupal.org/node/1937716/committers",
+                    "role": "Developer"
+                },
+                {
+                    "name": "ParisLiakos",
+                    "homepage": "https://www.drupal.org/user/1011436"
+                }
+            ],
+            "description": "A Framework for integrating with the Monolog library.",
+            "homepage": "https://drupal.org/project/monolog",
+            "support": {
+                "source": "https://git.drupalcode.org/project/monolog",
+                "issues": "https://drupal.org/project/issues/monolog"
+            }
+        },
         {
             "name": "drupal/oembed_providers",
             "version": "2.1.2",
@@ -8884,6 +8959,107 @@
             },
             "time": "2016-07-25T17:07:32+00:00"
         },
+        {
+            "name": "monolog/monolog",
+            "version": "3.6.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Seldaek/monolog.git",
+                "reference": "4b18b21a5527a3d5ffdac2fd35d3ab25a9597654"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Seldaek/monolog/zipball/4b18b21a5527a3d5ffdac2fd35d3ab25a9597654",
+                "reference": "4b18b21a5527a3d5ffdac2fd35d3ab25a9597654",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=8.1",
+                "psr/log": "^2.0 || ^3.0"
+            },
+            "provide": {
+                "psr/log-implementation": "3.0.0"
+            },
+            "require-dev": {
+                "aws/aws-sdk-php": "^3.0",
+                "doctrine/couchdb": "~1.0@dev",
+                "elasticsearch/elasticsearch": "^7 || ^8",
+                "ext-json": "*",
+                "graylog2/gelf-php": "^1.4.2 || ^2.0",
+                "guzzlehttp/guzzle": "^7.4.5",
+                "guzzlehttp/psr7": "^2.2",
+                "mongodb/mongodb": "^1.8",
+                "php-amqplib/php-amqplib": "~2.4 || ^3",
+                "phpstan/phpstan": "^1.9",
+                "phpstan/phpstan-deprecation-rules": "^1.0",
+                "phpstan/phpstan-strict-rules": "^1.4",
+                "phpunit/phpunit": "^10.5.17",
+                "predis/predis": "^1.1 || ^2",
+                "ruflin/elastica": "^7",
+                "symfony/mailer": "^5.4 || ^6",
+                "symfony/mime": "^5.4 || ^6"
+            },
+            "suggest": {
+                "aws/aws-sdk-php": "Allow sending log messages to AWS services like DynamoDB",
+                "doctrine/couchdb": "Allow sending log messages to a CouchDB server",
+                "elasticsearch/elasticsearch": "Allow sending log messages to an Elasticsearch server via official client",
+                "ext-amqp": "Allow sending log messages to an AMQP server (1.0+ required)",
+                "ext-curl": "Required to send log messages using the IFTTTHandler, the LogglyHandler, the SendGridHandler, the SlackWebhookHandler or the TelegramBotHandler",
+                "ext-mbstring": "Allow to work properly with unicode symbols",
+                "ext-mongodb": "Allow sending log messages to a MongoDB server (via driver)",
+                "ext-openssl": "Required to send log messages using SSL",
+                "ext-sockets": "Allow sending log messages to a Syslog server (via UDP driver)",
+                "graylog2/gelf-php": "Allow sending log messages to a GrayLog2 server",
+                "mongodb/mongodb": "Allow sending log messages to a MongoDB server (via library)",
+                "php-amqplib/php-amqplib": "Allow sending log messages to an AMQP server using php-amqplib",
+                "rollbar/rollbar": "Allow sending log messages to Rollbar",
+                "ruflin/elastica": "Allow sending log messages to an Elastic Search server"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "3.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Monolog\\": "src/Monolog"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Jordi Boggiano",
+                    "email": "j.boggiano@seld.be",
+                    "homepage": "https://seld.be"
+                }
+            ],
+            "description": "Sends your logs to files, sockets, inboxes, databases and various web services",
+            "homepage": "https://github.com/Seldaek/monolog",
+            "keywords": [
+                "log",
+                "logging",
+                "psr-3"
+            ],
+            "support": {
+                "issues": "https://github.com/Seldaek/monolog/issues",
+                "source": "https://github.com/Seldaek/monolog/tree/3.6.0"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/Seldaek",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/monolog/monolog",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-04-12T21:02:21+00:00"
+        },
         {
             "name": "nikic/php-parser",
             "version": "v5.0.2",
diff --git a/conf/cmi/core.extension.yml b/conf/cmi/core.extension.yml
index 9801cf011..9f42c8e73 100644
--- a/conf/cmi/core.extension.yml
+++ b/conf/cmi/core.extension.yml
@@ -112,6 +112,7 @@ module:
   metatag_twitter_cards: 0
   metatag_views: 0
   migrate: 0
+  monolog: 0
   mysql: 0
   node: 0
   oembed_providers: 0
diff --git a/docker/openshift/custom.locations b/docker/openshift/custom.locations
index 58c9c69f1..ce6470cc1 100644
--- a/docker/openshift/custom.locations
+++ b/docker/openshift/custom.locations
@@ -1,12 +1,3 @@
-location ~ ^/(?:.*)-assets/(.*)$ {
-  proxy_redirect off;
-  proxy_set_header Host $host;
-  proxy_set_header X-Forwarded-Proto https;
-  proxy_set_header X-Real-IP $remote_addr;
-  proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-  proxy_pass http://127.0.0.1:8080/$1$is_args$args;
-}
-
 location ~* \.(css|cur|js|jpe?g|gif|htc|ico|png|xml|otf|ttf|eot|woff|woff2|svg|mp4|svgz|ogg|ogv|pdf|pptx?|zip|tgz|gz|rar|bz2|doc|xls|exe|tar|mid|midi|wav|bmp|rtf|txt|map)$ {
   add_header Access-Control-Allow-Origin "*";
   try_files $uri @rewrite;