Dear OASIS Members & Interested Parties:
OASIS and the OData TC are pleased to announce that OData Extension for Data Aggregation Version 4.0 is now available for public review and comment.
This specification adds basic grouping and aggregation functionality (e.g. sum, min, and max) to the Open Data Protocol (OData) without changing any of the base principles of OData.
OData Extension for Data Aggregation Version 4.0
Committee Specification Draft 05
01 October 2025
https://docs.oasis-open.org/odata/odata-data-aggregation-ext/v4.0/csd05/odata-data-aggregation-ext-v4.0-csd05.md (Authoritative)
https://docs.oasis-open.org/odata/odata-data-aggregation-ext/v4.0/csd05/odata-data-aggregation-ext-v4.0-csd05.html
https://docs.oasis-open.org/odata/odata-data-aggregation-ext/v4.0/csd05/odata-data-aggregation-ext-v4.0-csd05.pdf
You can download the ZIP file at: https://docs.oasis-open.org/odata/odata-data-aggregation-ext/v4.0/csd05/odata-data-aggregation-ext-v4.0-csd05.zip
How to Provide Feedback
OASIS and the OData TC value your feedback. We solicit input from developers, users and others, whether OASIS members or not, for the sake of improving the interoperability and quality of its technical work.
The public review is now open and ends November 1, 2025 at 23:59 UTC.
Comments from TC members should be sent directly to the TC's mailing list. Comments may be submitted to the project by any other person through the use of the project's Comment Facility here.
Comments submitted for this work by non-members are publicly archived and can be viewed by using the link above and clicking the "Discussions" tab.
Please note, you must log in or create a free account to see the material. Please contact the TC Administrator (tc-admin@oasis-open.org) if you have any questions regarding how to submit a comment.
All comments submitted to OASIS are subject to the OASIS Feedback License, which ensures that the feedback you provide carries the same obligations at least as the obligations of the TC members. In connection with this public review, we call your attention to the OASIS IPR Policy [1] applicable especially [2] to the work of this technical committee. All members of the TC should be familiar with this document, which may create obligations regarding the disclosure and availability of a member's patent, copyright, trademark and license rights that read on an approved OASIS specification.
OASIS invites any persons who know of any such claims to disclose these if they may be essential to the implementation of the above specification, so that notice of them may be posted to the notice page for this TC's work.
Additional information about the specification and the OData TC's can be found at the TC's public home page: https://www.oasis-open.org/committees/odata/
Additional references:
[1] https://www.oasis-open.org/policies-guidelines/ipr/
[2] https://www.oasis-open.org/committees/odata/ipr.php