diff --git a/_metastore/documentation/installation/messaging/messaging-configuration.markdown b/_metastore/documentation/installation/messaging/messaging-configuration.markdown
index ff12bda..4f63982 100644
--- a/_metastore/documentation/installation/messaging/messaging-configuration.markdown
+++ b/_metastore/documentation/installation/messaging/messaging-configuration.markdown
@@ -20,11 +20,13 @@ in the following table. Typically, no additional repository-specific configurati
 |repo.messaging.enabled|Enables (true) or disables (false) the entire messaging functionality.|true or false [true]
 |repo.messaging.hostname|The hostname where the RabbitMQ instance is running at.|A valid hostname [localhost]
 |repo.messaging.port|The port on which the RabbitMQ instance is running at.|A numeric port number [5672]
+|repo.messaging.username| Credential for RabbitMQ (username)|A string identifying user [guest]
+|repo.messaging.password| Credential for RabbitMQ (password)|A string containing password for given user [guest]
 |repo.messaging.sender.exchange|The RabbitMQ exchange to which all messages are sent.|A string uniquely identifying the exchange [metastore_events]
 | **The following settings** | **are only needed by** | **receivers** 
 |repo.messaging.receiver.exchange|The RabbitMQ exchange from where messages are received.|A string uniquely identifying the exchange [metastore_events]
 |repo.messaging.receiver.queue|The name of the queue collecting all messages of the exchange. This queue is used for all handlers installed at the repository itself. External consumers may create an own quene.|A string uniquely identifying the queue [metastoreEventQueue]
-|repo.messaging.receiver.routingKeys|The routing key (category.[subcategory] of messages) sent to the configured queue.|A String containing the category (e.g. 'metadata') and subcategory (e.g. '\#' for all) [metadata.\#]
+|repo.messaging.receiver.routingKeys|The routing key (category.[subcategory] of messages) sent to the configured queue.|A string containing the category (e.g. 'metadata') and subcategory (e.g. '\#' for all) [metadata.\#]
 |repo.schedule.rate|The schedule rate in milliseconds at which the repository checks for new messages.|A numeric amount of milliseconds [1000]
 
 If you want to buld your own message handler please refer to the following [description](../../../../base-repo/documentation/messaging-handler.html)
diff --git a/_metastore/documentation/installation/migration-guide/migration-guide.markdown b/_metastore/documentation/installation/migration-guide/migration-guide.markdown
index 1256007..7f40be7 100644
--- a/_metastore/documentation/installation/migration-guide/migration-guide.markdown
+++ b/_metastore/documentation/installation/migration-guide/migration-guide.markdown
@@ -25,7 +25,8 @@ Add the new settings to 'application.properties' (if not recommended otherwise).
 If the values should not correspond to the default value, please add the adjusted values to 
 'config/application.properties'.
 
-### Versions
+## Versions
+- [v1.4.0](#v140)
 - [v1.3.0](#v130)
 - [v1.2.3](#v123)
 - [v1.2.2](#v122)
@@ -34,13 +35,67 @@ If the values should not correspond to the default value, please add the adjuste
 - [v1.1.0](#v110)
 - [v1.0.1](#v101)
 
-### v1.3.0
+## v1.4.0
+### Settings
+There are new configuration options inside the application.properties:
 
-#### System Requirements
+#### Configuration for proxy (search endpoints) (mandatory if search is enabled)
+
+Due to a new feature in proxy library the below property is ***REQUIRED*** for 
+the search endpoints to work properly:
+```
+###############################################################################
+# Due to bug in spring cloud gateway
+# https://github.com/spring-cloud/spring-cloud-gateway/issues/3154
+###############################################################################
+spring.cloud.gateway.proxy.sensitive=content-length
+```
+#### Configuration landing page (optional)
+
+It allows administrators to define an external landing page in case of an existing
+external WebUI:
+```
+###############################################################################
+# Landing Page (Schema & Metadata Documents)
+#   Redirect to internal or external landing page.
+#   The string may contain two placeholders for substitution:
+#     - $(id) - Identifier of the digital object (mandatory)
+#     - $(version) - Version of the digital object (optional) 
+#
+#  e.g.: https://www.example.org/landingpage?id=$(id)&version=$(version)
+#
+#  For frontend-collection use metastore-landing-page.html?pid=$(id)
+#  e.g. https://HOSTNAME/metastore-landing-page.html?pid=$(id)&version=$(version)
+#
+#  Defaults:
+#     - /schema-landing-page?schemaId=$(id)&version=$(version) (schema documents)
+#     - /metadata-landing-page?id=$(id)&version=$(version)     (metadata documents)
+###############################################################################
+metastore.schema.landingpage:/schema-landing-page?schemaId=$(id)&version=$(version)
+metastore.metadata.landingpage:/metadata-landing-page?id=$(id)&version=$(version)
+```
+#### Configuration credentials for RabbitMQ (optional)
+
+Set credentials for RabbitMQ in case of RabbitMQ is public available and therefore
+default credentials are not valid:
+```
+###############################################################################
+# Messaging - RabbitMQ
+###############################################################################
+repo.[...]
+repo.messaging.username:guest
+repo.messaging.password:guest
+repo.[...]
+```
+
+
+## v1.3.0
+
+### System Requirements
 ATTENTION
 : MetaStore requires Java 17 or later. Java 8 and 11 are no longer supported. 
 
-#### Database changes
+### Database changes
 ATTENTION
 : There is a minor change in the database structure due to the upgrade to SpringBoot 3.
 
@@ -66,7 +121,7 @@ DATABASE=# SELECT pg_catalog.setval('public.linked_metadata_record_seq', MAX_ID,
 ```
 Replace DATABASE and MAX_ID with the values you determined. 
 
-#### Settings
+### Settings
 There is a new configuration option inside the application.properties:
 Default context path switched from '/' to '/metastore'
 In case of an update remove this line.
@@ -79,10 +134,10 @@ server.servlet.context-path=/metastore
 ATTENTION
 : This feature MUSTN'T change afterwards. 
 
-### v1.2.3
+## v1.2.3
 
-#### Settings
-There are a new configuration options inside the application.properties:
+### Settings
+There are new configuration options inside the application.properties:
 It allows administrators to define directory structure while storing
 metadata/schema documents.
 ```
@@ -106,9 +161,9 @@ repo.plugin.storage.id.maxDepth:7
 # default: @{year}/@{month}
 repo.plugin.storage.date.pathPattern:@{year}/@{month}
 ```
-### v1.2.2
+## v1.2.2
 
-#### Settings
+### Settings
 There is a new configuration option inside the application.properties:
 It allows administrators to run MetaStore service behind a proxy.
 ```
@@ -118,12 +173,12 @@ It allows administrators to run MetaStore service behind a proxy.
 #server.forward-headers-strategy=framework
 ```
 
-### v1.2.1
+## v1.2.1
 Nothing to migrate.
 
-### v1.2.0
+## v1.2.0
 
-#### Settings
+### Settings
 There is a new configuration option inside the application.properties:
 Add actuators for info and health as default.
 ```
@@ -141,17 +196,17 @@ management.health.elasticsearch.enabled: false
 management.health.rabbit.enabled: false
 ```
 
-### v1.1.0
+## v1.1.0
 Nothing to migrate.
 
-### v1.0.1
+## v1.0.1
 
-#### Database changes
+### Database changes
 ATTENTION
 : Please migrate your database if you want to update MetaStore while using h2! 
 See: https://h2database.com/html/migration-to-v2.html
 
-### v1.0.0
+## v1.0.0
 First production ready version.
 
 
diff --git a/_metastore/documentation/installation/setup-metastore.markdown b/_metastore/documentation/installation/setup-metastore.markdown
index fbdaa96..a2f9f84 100644
--- a/_metastore/documentation/installation/setup-metastore.markdown
+++ b/_metastore/documentation/installation/setup-metastore.markdown
@@ -87,6 +87,32 @@ repo.plugin.storage.date.pathPattern:@{year}/@{year}_@{month}_@{day}_@{hour}_@{m
 ###############################################################################
 #metastore.metadata.schemaRegistries:http://localhost:8040/api/v1/
 ```
+# Landing Page (since v1.4.0)
+NOTE
+: If you use an external UI for MetaStore (e.g. frontend-collection) which also
+provides a landing page you may adopt the settings like explained above.
+
+```
+###############################################################################
+# Landing Page (Schema & Metadata Documents)
+#   Redirect to internal or external landing page.
+#   The string may contain two placeholders for substitution:
+#     - $(id) - Identifier of the digital object (mandatory)
+#     - $(version) - Version of the digital object (optional) 
+#
+#  e.g.: https://www.example.org/landingpage?id=$(id)&version=$(version)
+#
+#  For frontend-collection use metastore-landing-page.html?pid=$(id)
+#  e.g. https://HOSTNAME/metastore-landing-page.html?pid=$(id)&version=$(version)
+#
+#  Defaults: (internal landing page)
+#     - /schema-landing-page?schemaId=$(id)&version=$(version) (schema documents)
+#     - /metadata-landing-page?id=$(id)&version=$(version)     (metadata documents)
+###############################################################################
+metastore.schema.landingpage:/schema-landing-page?schemaId=$(id)&version=$(version)
+metastore.metadata.landingpage:/metadata-landing-page?id=$(id)&version=$(version)
+```
+
 # OAI PMH
 NOTE
 : Make sure that your service is accessible. Replace 'localhost' by the 
@@ -157,6 +183,8 @@ Messaging is used to inform indexing-service about new/updated metadata document
 repo.messaging.enabled: false
 repo.messaging.hostname:localhost
 repo.messaging.port:5672
+repo.messaging.username:guest
+repo.messaging.password:guest
 repo.messaging.sender.exchange: metastore_events
 # Settings for receivers.
 ###############################################################################
diff --git a/_posts/metastore/2023-12-19-metastore-v.1.4.0.md b/_posts/metastore/2023-12-19-metastore-v.1.4.0.md
new file mode 100644
index 0000000..1ab3f8d
--- /dev/null
+++ b/_posts/metastore/2023-12-19-metastore-v.1.4.0.md
@@ -0,0 +1,85 @@
+---
+breadcrumbs: /metastore/news/
+layout: default
+repository_url: https://github.com/kit-data-manager/metastore2
+repository_name: kit-data-manager/metastore2
+documentation_url: https://kit-data-manager.github.io/
+description: A Research Data Repository Service for Managing Metadata Documents based on JSON or XML.
+no_nav: true
+tags: metastore
+title:  "MetaStore v1.4.0 released"
+---
+
+Today, we like to announce version 1.4.0 of the MetaStore service. Below, you can find the list of changes. 
+## Bugfixes
+* Filter now combines resourceID AND schemaID instead of OR (#401)
+
+## New Features
+* Enable authentication for RabbitMQ (#430)
+* Add internal landing page
+* Add configuration for redirecting landing page alternatively to external site
+* Refine return messages for REST (#399, #402, #403)
+* Check usage of schema before deleting (#400)
+* Use softlink to jar file in start script
+* Metadata schema identifiers support lowercase only
+* Endpoints for collections (/api/v1/schemas/, /api/v1/metadata/) are available again. (In addition to /api/v1/schemas and /api/v1/metadata)
+
+## Dependency Upgrades
+* Bump com.networknt:json-schema-validator from 1.0.85 to 1.0.86 by @dependabot in [PR 348](https://github.com/kit-data-manager/metastore2/pull/348)
+* Bump com.h2database:h2 from 2.1.214 to 2.2.220 by @dependabot in [PR 349](https://github.com/kit-data-manager/metastore2/pull/349)
+* Bump gradle from 7.6.1 to 8.2.1. by @VolkerHartmann in [PR 355](https://github.com/kit-data-manager/metastore2/pull/355)
+* Bump to gradle from 7.6.1 to 8.2.1 by @github-actions in [PR 354](https://github.com/kit-data-manager/metastore2/pull/354)
+* Bump org.springframework.boot from 3.1.0 to 3.1.1 by @github-actions in [PR 358](https://github.com/kit-data-manager/metastore2/pull/358)
+* Bump io.spring.dependency-management from 1.1.0 to 1.1.1 by @dependabot in [PR 356](https://github.com/kit-data-manager/metastore2/pull/356)
+* Bump io.spring.dependency-management from 1.1.1 to 1.1.2 by @dependabot in [PR 359](https://github.com/kit-data-manager/metastore2/pull/359)
+* Bump io.freefair.maven-publish-java from 8.1.0 to 8.2.2 by @dependabot in [PR 364](https://github.com/kit-data-manager/metastore2/pull/364)
+* Bump io.spring.dependency-management from 1.1.2 to 1.1.3 by @dependabot in [PR 362](https://github.com/kit-data-manager/metastore2/pull/362)
+* Bump com.google.errorprone:error_prone_core from 2.20.0 to 2.21.1 by @dependabot in [PR 361](https://github.com/kit-data-manager/metastore2/pull/361)
+* Bump springDocVersion from 2.1.0 to 2.2.0 by @dependabot in [PR 360](https://github.com/kit-data-manager/metastore2/pull/360)
+* Bump io.freefair.lombok from 8.1.0 to 8.2.2 by @dependabot in [PR 363](https://github.com/kit-data-manager/metastore2/pull/363)
+* Bump docker/setup-buildx-action from 2 to 3 by @dependabot in [PR 374](https://github.com/kit-data-manager/metastore2/pull/374)
+* Bump crazy-max/ghaction-docker-meta from 4 to 5 by @dependabot in [PR 371](https://github.com/kit-data-manager/metastore2/pull/371)
+* Bump actions/checkout from 3 to 4 by @dependabot in [PR 370](https://github.com/kit-data-manager/metastore2/pull/370)
+* Bump docker/setup-qemu-action from 2 to 3 by @dependabot in [PR 373](https://github.com/kit-data-manager/metastore2/pull/373)
+* Bump docker/login-action from 2 to 3 by @dependabot in [PR 372](https://github.com/kit-data-manager/metastore2/pull/372)
+* Bump org.apache.tika:tika-core from 2.8.0 to 2.9.0 by @dependabot in [PR 369](https://github.com/kit-data-manager/metastore2/pull/369)
+* Bump io.freefair.maven-publish-java from 8.2.2 to 8.3 by @dependabot in [PR 368](https://github.com/kit-data-manager/metastore2/pull/368)
+* Bump org.mockito:mockito-core from 5.4.0 to 5.5.0 by @dependabot in [PR 366](https://github.com/kit-data-manager/metastore2/pull/366)
+* Bump io.freefair.lombok from 8.2.2 to 8.3 by @dependabot in [PR 365](https://github.com/kit-data-manager/metastore2/pull/365)
+* Bump org.owasp.dependencycheck from 8.3.1 to 8.4.0 by @dependabot in [PR 367](https://github.com/kit-data-manager/metastore2/pull/367)
+* Bump com.networknt:json-schema-validator from 1.0.86 to 1.0.87 by @dependabot in [PR 376](https://github.com/kit-data-manager/metastore2/pull/376)
+* Bump com.h2database:h2 from 2.2.220 to 2.2.224 by @dependabot in [PR 375](https://github.com/kit-data-manager/metastore2/pull/375)
+* Bump com.google.errorprone:error_prone_core from 2.21.1 to 2.22.0 by @dependabot in [PR 377](https://github.com/kit-data-manager/metastore2/pull/377)
+* Bump commons-io:commons-io from 2.13.0 to 2.14.0 by @dependabot in [PR 379](https://github.com/kit-data-manager/metastore2/pull/379)
+* Bump docker/build-push-action from 4 to 5 by @dependabot in [PR 378](https://github.com/kit-data-manager/metastore2/pull/378)
+* Bump io.freefair.lombok from 8.3 to 8.4 by @dependabot in [PR 380](https://github.com/kit-data-manager/metastore2/pull/380)
+* Bump org.mockito:mockito-core from 5.5.0 to 5.6.0 by @dependabot in [PR 381](https://github.com/kit-data-manager/metastore2/pull/381)
+* Bump io.freefair.maven-publish-java from 8.3 to 8.4 by @dependabot in [PR 382](https://github.com/kit-data-manager/metastore2/pull/382)
+* Bump org.apache.tika:tika-core from 2.9.0 to 2.9.1 by @dependabot in [PR 385](https://github.com/kit-data-manager/metastore2/pull/385)
+* Bump org.owasp.dependencycheck from 8.4.0 to 8.4.2 by @dependabot in [PR 384](https://github.com/kit-data-manager/metastore2/pull/384)
+* Bump com.google.errorprone:error_prone_core from 2.22.0 to 2.23.0 by @dependabot in [PR 383](https://github.com/kit-data-manager/metastore2/pull/383)
+* Bump org.springframework.boot from 3.1.1 to 3.1.5 by @dependabot in [PR 386](https://github.com/kit-data-manager/metastore2/pull/386)
+* Bump commons-io:commons-io from 2.14.0 to 2.15.0 by @dependabot in [PR 389](https://github.com/kit-data-manager/metastore2/pull/389)
+* Bump org.apache.commons:commons-text from 1.10.0 to 1.11.0 by @dependabot in [PR 390](https://github.com/kit-data-manager/metastore2/pull/390)
+* Bump org.mockito:mockito-core from 5.6.0 to 5.7.0 by @dependabot in [PR 391](https://github.com/kit-data-manager/metastore2/pull/391)
+* Bump io.spring.dependency-management from 1.1.3 to 1.1.4 by @dependabot in [PR 392](https://github.com/kit-data-manager/metastore2/pull/392)
+* Bump org.owasp.dependencycheck from 8.4.2 to 8.4.3 by @dependabot in [PR 394](https://github.com/kit-data-manager/metastore2/pull/394)
+* Bump org.owasp.dependencycheck from 8.4.3 to 9.0.1 by @dependabot in [PR 397](https://github.com/kit-data-manager/metastore2/pull/397)
+* Bump org.postgresql:postgresql from 42.6.0 to 42.7.0 by @dependabot in [PR 398](https://github.com/kit-data-manager/metastore2/pull/398)
+* Bump actions/setup-java from 3 to 4 by @dependabot in [PR 404](https://github.com/kit-data-manager/metastore2/pull/404)
+* Bump org.mockito:mockito-core from 5.7.0 to 5.8.0 by @dependabot in [PR 405](https://github.com/kit-data-manager/metastore2/pull/405)
+* Bump commons-io:commons-io from 2.15.0 to 2.15.1 by @dependabot in [PR 406](https://github.com/kit-data-manager/metastore2/pull/406)
+* Bump springDocVersion from 2.2.0 to 2.3.0 by @dependabot in [PR 407](https://github.com/kit-data-manager/metastore2/pull/407)
+* Bump org.owasp.dependencycheck from 9.0.1 to 9.0.2 by @dependabot in [PR 408](https://github.com/kit-data-manager/metastore2/pull/408)
+* Bump org.springframework.boot from 3.1.5 to 3.2.0 by @dependabot in [PR 396](https://github.com/kit-data-manager/metastore2/pull/396)
+* Bump com.networknt:json-schema-validator from 1.0.87 to 1.0.88 by @dependabot in [PR 423](https://github.com/kit-data-manager/metastoe2/pull/423)
+* Bump org.postgresql:postgresql from 42.7.0 to 42.7.1 by @dependabot in [PR 424](https://github.com/kit-data-manager/metastore2/pull/424)
+* Bump org.owasp.dependencycheck from 9.0.2 to 9.0.4 by @dependabot in [PR 425](https://github.com/kit-data-manager/metastore2/pull/425)
+* Bump javersVersion from 7.0.0 to 7.3.6 by @dependabot in [PR 433](https://github.com/kit-data-manager/metastore2/pull/433)
+* Bump org.springframework.data:spring-data-elasticsearch from 5.1.0 to 5.2.0 by @dependabot in [PR 434](https://github.com/kit-data-manager/metastore2/pull/434)
+* Bump github/codeql-action from 2 to 3 by @dependabot in [PR 436](https://github.com/kit-data-manager/metastore2/pull/436)
+* Bump org.springframework.data:spring-data-elasticsearch from 5.2.0 to 5.2.1 by @dependabot in [PR 437](https://github.com/kit-data-manager/metastore2/pull/437)
+* Bump org.owasp.dependencycheck from 9.0.4 to 9.0.7 by @dependabot in [PR 438](https://github.com/kit-data-manager/metastore2/pull/438)
+* Bump com.networknt:json-schema-validator from 1.0.88 to 1.1.0 by @dependabot in [PR 439](https://github.com/kit-data-manager/metastore2/pull/439)
+
+If you face any issues, please file an [issue at GitHub](https://github.com/kit-data-manager/metastore2/issues).