2025.R1 release communication

With recent releases, we have enabled new features incrementally and announced new software versions in the release notes.

This release communication summarizes the results of the last releases, providing an overview of what is now — as of May 2025 — available for Bosch Semantic Stack.

2025.R1 at a glance

Included versions:

4.42.0, 4.43.0, 4.44.0, 4.45.0, 4.46.0, 4.47.0, 4.48.0, 4.49.0, 4.50.0

Digital Twin Registry (DTR):

Aspect Model Catalog (AMC):

2025.R1 (DTR)

Digital Twin Registry

Includes: DTR-7.15.4, DTR-7.15.6, DTR-7.15.7, DTR-7.15.8, DTR-7.15.9, DTR-7.16.0, DTR-7.16.1, DTR-7.16.2

Storage of license information for newly uploaded TTL files

You can now look up this information at the top of each file.

You can now filter for BPNs and get only the Asset Administration Shell associated with them. This requires an additional access role.

Asynchrous API for event-driven data exchange

You can now use the new Asynchrous API to create Twins more efficiently, providing seamless integration and enabling you to do so without waiting for immediate responses.

Read more: Async API descriptionsexternallink 20

API reference documentation improvement

It is now easier to find the API description that you are looking for as we have refactored our API reference docs URLs. See our API docs for the Digital Twin Registry.

Also, we have introduced an additional entry pageexternallink 20.

New parameter to find recently created Asset Administration Shells

To query the Asset Administration Shell Registry API for Shells that were created after a specific date (timestamp), use the new createdAfter parameter.

Read more: Asset Administration Shell Registry APIexternallink 20

URL placeholders in Submodel Descriptor Templates for specficAssetIds.

The variable data in a template is defined in the href of its endpoints, in the form of placeholders. Endpoint placeholders can leverage runtime data coming from the Asset Administration Shell. This option is now available for specficAssetIds.

Read more: URL placeholders and syntax

2025.R1 (AMC)

Aspect Model Catalog

Includes: AMC-2.7.22, AMC-2.7.24, AMC-2.7.25, AMC-2.7.26, AMC-2.7.27, AMC-2.7.28, AMC-2.7.29, AMC-2.7.30, AMC-2.7.31

Consume Aspect Models directly from the Aspect Model Catalog

Text/Turtle format is now supported as response to the getAspectModel API requestexternallink 20. You can use that in tools like ESMF Java SDK.