Added release notes and version entries for 2025.16.0

Author: GitHub Actions

website/blog/2025-04-16-Release-0.md

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+---
+author: meshcloud
+title: Release 2025.16.0
+---
+
+Release period: 2025-04-09 to 2025-04-16
+
+This release includes the following issues:
+* Fix for building block definition input source selection
+* Allow changes for building block multiplicity
+* Tenants Column on Project Overview
+* Import Building Block Definitions From meshStack Hub
+* Mention Workspace Owner in Role Expiry Mail
+* Fix for landing zone role mappings
+* New meshObject API endpoint for communications
+* meshTenantUsageReport v2 API based on Chargeback 2.0 data
+* Workspace Identifier in URL
+* Improved admin area button visibility
+* Platform Usage Reports with Chargeback 2.0
+* Allow movement of tenants with building blocks
+<!--truncate-->
+
+## Ticket Details
+### Fix for building block definition input source selection
+**Audience:** Customer<br>
+
+#### Description
+Depending on the chosen type the available input sources did not 
+update accordingly. This is now fixed.
+
+### Allow changes for building block multiplicity
+**Audience:** Customer, Partner<br>
+
+#### Description
+Previously it was impossible to later change the multiplicity of a building block
+assignment from 'Multiple' to 'Once'. Now this setting can be changed at any time.
+Please keep in mind that meshStack will not enforce any actions to existing building blocks
+when a 'Multiple' building block gets changed to 'Once'.
+
+### Tenants Column on Project Overview
+**Audience:** Partner<br>
+
+#### Description
+We have added the tenants column back to the project overview in the admin area.
+
+### Import Building Block Definitions From meshStack Hub
+**Audience:** User<br>
+
+#### Description
+You can now directly import building block definitions from our new meshStack Hub (hub.meshcloud.io) into your own meshStack. Simply open up a building block definition of choice, click "Add to meshStack", enter your meshStack URL and you will be redirected to import the building block definition.
+
+### Mention Workspace Owner in Role Expiry Mail
+**Audience:** User<br>
+
+#### Description
+The workspace owner(s) are now mentioned in the mail when your workspace role is about to expire. 
+This should make it easier to identify whom to contact in case you are a workspace member 
+and need your role extended.
+
+### Fix for landing zone role mappings
+**Audience:** Customer<br>
+
+#### Description
+This fixes a UI regression bug that broke the configuration of most platforms' role
+mappings in landing zone configurations.
+
+### New meshObject API endpoint for communications
+**Audience:** Partner<br>
+
+#### Description
+The meshObject API in meshStack now provides new endpoints for meshCommunicationDefinitions and meshCommunications. Please be aware that these endpoints are still in a preview state and we will release the final endpoints in the upcoming weeks. More details on preview endpoints are described in the API documentation.
+
+### meshTenantUsageReport v2 API based on Chargeback 2.0 data
+**Audience:** Partner<br>
+
+#### Description
+The meshTenantUsageReport v2 API is now based on Chargeback 2.0 data. It still used data from
+the old process before. No change to the result is expected. Please remember, that the meshTenantUsageReport
+v2 API will be deprecated on Oct 1st 2025. Please switch your integrations to v3.
+
+### Workspace Identifier in URL
+**Audience:** User<br>
+
+#### Description
+The workspace identifier is now part of the URL. This enables deeplinks to 
+specific workspaces. You can now share links to specific workspaces 
+with other users, making it easier for them to access the information 
+they need.
+
+### Improved admin area button visibility
+**Audience:** Partner<br>
+
+#### Description
+The admin area button is now shown all the time to allow administrators to jump quickly
+to the admin area dashboard.
+
+### Platform Usage Reports with Chargeback 2.0
+**Audience:** Partner<br>
+
+#### Description
+The platform usage reports shown in the admin area within the platform control plane are
+now also based on Chargeback 2.0 data. You should not notice any difference in the reports.
+
+### Allow movement of tenants with building blocks
+**Audience:** Partner<br>
+
+#### Description
+This fixes a bug that broke building blocks on a workspace if a tenant with building blocks
+on it was moved into this workspace.
+