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IT Center Changes

Adjustment of API Endpoints

March 31st, 2026 | by

For everyone using our API: Some endpoints have been revised and are now more clearly structured, functionally expanded, and generally easier to use. Specifically, this means that interactions with a resource’s metadata and graphs will now take place via GraphGraphMetadata and GraphMetadataContent. Access to objects and files can now be found under Storage and StorageContent. If you use these functions in your scripts, they must be updated promptly. The previous endpoints are already marked as deprecated in the Swagger documentation and are expected to be disabled in August. We will inform you of this again in advance via the newsletter and through relevant notices on the platform.

Information for Reviewers of Coscine Storage Space Requests

March 31st, 2026 | by

Important information for reviewers of storage space requests: The “Restrictedly suitable” option is no longer available as a final review result. As of March 16, 2026, reviewers must now choose between ‘suitable’ and “not suitable.” RDM staff and 1st-level support have already been informed of this change during the monthly consultation hour. If you are part of the RDM staff but have not yet received an invitation to the monthly consultation hour, please feel free to contact us via e-mail. You are also welcome to check out the support services.

Support for New Models (GPT-5.3-Chat, Mistral Small 4) (v1.15.0)

March 31st, 2026 | by

Features:

  • Added support for new models:
    • gpt-5.3-chat, Mistral-Small-4-119B-2603

Bugfixes and Improvements:

  • No spaces or special characters are allowed anymore in internal deployment names
  • Improved performance when accessing the API
  • For image generation, the input image is now only displayed if it was manually selected
  • Minor improvements to shared chats, especially regarding model selection and chats with images
  • Improved behavior when manually cancelling a completion
  • Fixed an issue with title generation when it takes longer than the actual prompt
  • Fixed a problem with database indexes that prevented the app from starting

Support for New Models (GPT-5.3-Chat, Mistral Small 4) (v1.15.0)

March 31st, 2026 | by

Features:

  • Added support for new models:
    • gpt-5.3-chat, Mistral-Small-4-119B-2603

Bugfixes and Improvements:

  • No spaces or special characters are allowed anymore in internal deployment names
  • Improved performance when accessing the API
  • For image generation, the input image is now only displayed if it was manually selected
  • Minor improvements to shared chats, especially regarding model selection and chats with images
  • Improved behavior when manually cancelling a completion
  • Fixed an issue with title generation when it takes longer than the actual prompt
  • Fixed a problem with database indexes that prevented the app from starting

Default Model Update and gpt-40 and gpt-40-mini Model Discontinuation (v1.14.0)

March 19th, 2026 | by

Note:

  • The models gpt-4o and gpt-4o-mini will be discontinued on March 31, 2026, and removed from the model list. They will also no longer be available when using an API key after this date. To continue existing chats, they must be migrated to another model.

Features:

  • gpt-oss-120b is now set as the default model

Bugfixes and Improvements:

  • Title generation is no longer counted toward the maximum number of parallel requests per user
  • Added support for the encoding_format parameter in the embedding endpoint
  • Restricted access to own chats in user groups that are no longer accessible

Support for New Models (Gemini, Gemma) (v1.14.0)

March 19th, 2026 | by

Features:

  • Added support for new models:
    • Mistral-Large-3-675B-Instruct-2512, gemini-3-flash-preview, gemini-2.5-pro, gemini-2.5-flash, gemini-2.5-flash-lite, gemma-3-27b-it, gemma-3n-e4b-it

Bugfixes and Improvements:

  • Title generation is no longer counted toward the maximum number of parallel requests per user
  • Added support for the encoding_format parameter in the embedding endpoint
  • Improved parameter selection behavior for image generation
  • Restricted access to own chats in user groups that are no longer accessible

Release Notes Version 2.49

March 17th, 2026 | by

Improvements and bug fixes:

  • Keyboard behavior in searches has been improved
  • Cafeteria: the design for sold-out dishes has been updated

Introduction of Terms of Use

March 16th, 2026 | by

To make the use of RWTHmoodle even more transparent in the future, IT Center and CLS will introduce Terms of Use for RWTHmoodle for the first time during the maintenance scheduled for Thursday, March 26, 2026.

For users, nothing will change regarding the current use of RWTHmoodle. The Terms of Use will, for the first time, summarize in writing and transparently present the existing framework conditions for using the platform.

Following the maintenance, the Terms of Use will be displayed to all users after they successfully log in. Users must confirm the Terms of Use once in order to continue using the service.

 

Runtime limits for GPU Jobs

March 9th, 2026 | by

On the 06.03.2026 we changed how many GPU nodes from the c23g partition are allowed to run user GPU Jobs with runtimes longer than 24 hours.
The change has the following main goals:

  • Increase the throughput and reduce the waiting times for GPU jobs with runtimes lower than 24 hours.
  • Encourage users to submit shorter jobs and make use of resilience methods like checkpointing if necessary.
  • Reduce the maintenance downtime of GPU nodes.

The change effectively limits the amount of long running GPU jobs to only half the GPU nodes in the c23g partition. Long running GPU jobs are user GPU jobs with runtimes longer than 24 hours. GPU jobs with less than 24 hours of runtime are considered short and will be scheduled to all available GPU nodes of the c23g partition.
It is understood that the waiting times of long running GPU jobs will increase and we therefore encourage users to change their workflows to accommodate shorter running GPU jobs.
This change is necessary to improve QoS for users of the c23g partition and to allow for faster maintenance works on the GPU nodes.

Release Notes Version 2.48.1

March 3rd, 2026 | by

Improvements and bug fixes:

  • Various bug fixes