diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f35d9fb9..65f50f1b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -132,15 +132,6 @@ variables:
   TESTS_BRANCH:
     description: "Branch of E2E-tests on which the test pipeline is triggered"
     value: "main"
-  RUN_UMS_TESTS:
-    description: "Run E2E test suite of SouvAP Dev team"
-    value: "no"
-    options:
-      - "yes"
-      - "no"
-  UMS_TESTS_BRANCH:
-    description: "Branch of E2E test suite of SouvAP Dev team"
-    value: "main"
 
 .deploy-common:
   cache: {}
@@ -443,34 +434,6 @@ run-tests:
       }" \
       "https://${TESTS_PROJECT_URL}/trigger/pipeline"
 
-run-souvap-dev-tests:
-  extends: ".deploy-common"
-  environment:
-    name: "${NAMESPACE}"
-  stage: "tests"
-  rules:
-    - if: >
-        $CI_PIPELINE_SOURCE =~ "web|schedules|triggers" && $NAMESPACE =~ /.+/ && $RUN_UMS_TESTS == "yes"
-      when: "on_success"
-  script:
-    - *ums-default-password
-    - |
-      curl --request POST \
-      --header "Content-Type: application/json" \
-      --data "{ \
-        \"ref\": \"${UMS_TESTS_BRANCH}\", \
-        \"token\": \"${CI_JOB_TOKEN}\", \
-        \"variables\": { \
-          \"portal_base_url\": \"https://portal.${DOMAIN}\", \
-          \"username\": \"${DEFAULT_USER_NAME}\", \
-          \"password\": \"${DEFAULT_USER_PASSWORD}\", \
-          \"admin_username\": \"${DEFAULT_ADMIN_NAME}\", \
-          \"admin_password\": \"${DEFAULT_ADMIN_PASSWORD}\", \
-          \"keycloak_base_url\": \"https://id.${DOMAIN}\" \
-        } \
-      }" \
-      "https://${UMS_TESTS_PROJECT_URL}/trigger/pipeline"
-
 avscan-prepare:
   stage: ".pre"
   rules:
@@ -580,14 +543,12 @@ opendesk-linter:
   image: "registry.souvap-univention.de/souvap/tooling/images/semantic-release-patched:latest"
   tags: []
 
-
 conventional-commits-linter:
   rules:
     - if: "$JOB_CONVENTIONAL_COMMITS_LINTER_ENABLED == 'false' || $CI_PIPELINE_SOURCE =~ 'tags|merge_request_event'"
       when: "never"
     - when: "always"
 
-
 common-yaml-linter:
   rules:
     - if: "$JOB_COMMON_YAML_LINTER_ENABLED == 'false' || $CI_PIPELINE_SOURCE =~ 'tags|triggers|web|merge_request_event'"
diff --git a/README.md b/README.md
index 4e1b9687..2400c9ff 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ SPDX-FileCopyrightText: 2023 Bundesministerium des Innern und für Heimat, PG Ze
 SPDX-License-Identifier: Apache-2.0
 -->
 
-![logo](./helmfile/environments/default/theme/logo_portal_background.svg)
+<h1>openDesk Deployment Automation</h1>
 
 openDesk is a Kubernetes based, open-source and cloud-native digital workplace suite provided by the "Projektgruppe für
 Aufbau ZenDiS" of Germany's Federal Ministry of the Interior.
diff --git a/docs/requirements.md b/docs/requirements.md
index 1c67850a..f974f10e 100644
--- a/docs/requirements.md
+++ b/docs/requirements.md
@@ -7,7 +7,7 @@ SPDX-License-Identifier: Apache-2.0
 This section covers the internal system requirements as well as external service requirements for productive use.
 
 <!-- TOC -->
-* [TL;DR;](#tldr)
+* [tl;dr](#tldr)
 * [Hardware](#hardware)
 * [Kubernetes](#kubernetes)
 * [Ingress controller](#ingress-controller)
@@ -17,7 +17,7 @@ This section covers the internal system requirements as well as external service
 * [Deployment](#deployment)
 <!-- TOC -->
 
-# TL;DR;
+# tl;dr
 openDesk is a Kubernetes only solution and requires an existing Kubernetes (K8s) cluster.
 
 - K8s cluster >= 1.24, [CNCF Certified Kubernetes Distro](https://www.cncf.io/certification/software-conformance/)
diff --git a/helmfile/apps/univention-management-stack/values-opendesk-keycloak-bootstrap.yaml.gotmpl b/helmfile/apps/univention-management-stack/values-opendesk-keycloak-bootstrap.yaml.gotmpl
index eafe3c5d..72a86d6b 100644
--- a/helmfile/apps/univention-management-stack/values-opendesk-keycloak-bootstrap.yaml.gotmpl
+++ b/helmfile/apps/univention-management-stack/values-opendesk-keycloak-bootstrap.yaml.gotmpl
@@ -86,6 +86,7 @@ config:
         authorizationServicesEnabled: false
         attributes:
           backchannel.logout.session.required: true
+          backchannel.logout.revoke.offline.tokens: true
           backchannel.logout.url: "https://{{ .Values.global.hosts.intercomService }}.{{ .Values.global.domain }}/backchannel-logout"
         protocolMappers:
           - name: "intercom-audience"
diff --git a/helmfile/environments/default/images.yaml b/helmfile/environments/default/images.yaml
index e48d3aaf..9496b6e9 100644
--- a/helmfile/environments/default/images.yaml
+++ b/helmfile/environments/default/images.yaml
@@ -4,7 +4,7 @@
 images:
   clamd:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # dependencyType=external
     registry: "registry-1.docker.io"
     repository: "clamav/clamav"
@@ -23,7 +23,7 @@ images:
     # @mirrorFrom: ['23', '5', '6']
   cryptpad:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # upstreamRepository=cryptpad/cryptpad
     # dependencyType=supplier
     registry: "registry.opencode.de"
@@ -54,7 +54,7 @@ images:
     # @mirrorFrom: ['1', '8', '0']
   freshclam:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # dependencyType=external
     registry: "registry-1.docker.io"
     repository: "clamav/clamav"
@@ -81,7 +81,7 @@ images:
     # @mirrorFrom: ['1', '6']
   jibri:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # upstreamRepository=jitsi/jibri
     # dependencyType=supplier
     registry: "registry.opencode.de"
@@ -92,7 +92,7 @@ images:
     # @mirrorFrom: ['8922']
   jicofo:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # upstreamRepository=jitsi/jicofo
     # dependencyType=supplier
     registry: "registry.opencode.de"
@@ -103,7 +103,7 @@ images:
     # @mirrorFrom: ['8922']
   jitsi:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # upstreamRepository=jitsi/web
     # dependencyType=supplier
     registry: "registry.opencode.de"
@@ -125,7 +125,7 @@ images:
     # @mirrorFrom: ['2023', '12', '14']
   jitsiPatchJVB:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # upstreamRepository=bitnami/kubectl
     # dependencyType=external
     registry: "registry-1.docker.io"
@@ -134,7 +134,7 @@ images:
     # @supplier: "Nordeck"
   jvb:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # upstreamRepository=jitsi/jvb
     # dependencyType=supplier
     registry: "registry.opencode.de"
@@ -145,7 +145,7 @@ images:
     # @mirrorFrom: ['8922']
   mariadb:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # dependencyType=external
     registry: "registry-1.docker.io"
     repository: "library/mariadb"
@@ -197,7 +197,7 @@ images:
     # @mirrorFrom: ['1', '6', '0']
   matrixUserVerificationService:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # upstreamRepository=matrixdotorg/matrix-user-verification-service
     # dependencyType=supplier
     registry: "registry.opencode.de"
@@ -208,7 +208,7 @@ images:
     # @mirrorFrom: ['3', '0', '0']
   memcached:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # dependencyType=external
     registry: "registry-1.docker.io"
     repository: "bitnami/memcached"
@@ -216,7 +216,7 @@ images:
     # @supplier: "openDesk"
   milter:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # dependencyType=external
     registry: "registry-1.docker.io"
     repository: "clamav/clamav"
@@ -224,7 +224,7 @@ images:
     # @supplier: "openDesk"
   minio:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # dependencyType=external
     registry: "registry-1.docker.io"
     repository: "bitnami/minio"
@@ -272,7 +272,7 @@ images:
     # @supplier: "openDesk"
   openproject:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # upstreamRepository=openproject/open_desk
     # dependencyType=supplier
     registry: "registry.opencode.de"
@@ -291,7 +291,7 @@ images:
     # @supplier: "openDesk"
   openprojectInitDb:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # upstreamRepository=postgres
     # dependencyType=external
     registry: "registry-1.docker.io"
@@ -300,7 +300,7 @@ images:
     # @supplier: "OpenProject"
   openxchangeBootstrap:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # dependencyType=external
     registry: "registry-1.docker.io"
     repository: "alpine/k8s"
@@ -448,7 +448,7 @@ images:
     # @supplier: "openDesk"
   postgresql:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # dependencyType=external
     registry: "registry-1.docker.io"
     repository: "library/postgres"
@@ -456,7 +456,7 @@ images:
     # @supplier: "openDesk"
   prosody:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # upstreamRepository=jitsi/prosody
     # dependencyType=supplier
     registry: "registry.opencode.de"
@@ -467,7 +467,7 @@ images:
     # @mirrorFrom: ['8922']
   redis:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # upstreamRepository=bitnami/redis
     # dependencyType=external
     registry: "registry-1.docker.io"
@@ -476,7 +476,7 @@ images:
     # @supplier: "openDesk"
   synapse:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # upstreamRepository=matrixdotorg/synapse
     # dependencyType=supplier
     registry: "registry.opencode.de"
@@ -487,7 +487,7 @@ images:
     # @mirrorFrom: ['1', '91', '2']
   synapseCreateUser:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # dependencyType=external
     registry: "registry-1.docker.io"
     repository: "alpine/k8s"
@@ -506,7 +506,7 @@ images:
     # @mirrorFrom: ['1', '0', '0']
   synapseWeb:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # dependencyType=external
     registry: "registry-1.docker.io"
     repository: "rapidfort/haproxy-official"
@@ -722,12 +722,13 @@ images:
     # @mirrorFrom: ['0', '3', '2']
   umsStackGateway:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # upstreamRepository=bitnami/nginx
     # dependencyType=external
-    registry: "docker.io"
+    registry: "registry-1.docker.io"
     repository: "bitnami/nginx"
     tag: "1.25.3@sha256:40ce0d6b8f5fc174a4df8c59c8893164c540192ee862cb7253650a30d9dc3b73"
+    # @supplier: "Univention"
   umsStoreDav:
     # renovate:
     # upstreamRegistry=registry.souvap-univention.de
@@ -785,7 +786,7 @@ images:
     # @mirrorFrom: ['0', '9', '4']
   wellKnown:
     # renovate:
-    # upstreamRegistry=docker.io
+    # upstreamRegistry=registry-1.docker.io
     # dependencyType=external
     registry: "registry-1.docker.io"
     repository: "library/nginx"