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Dec 1, 2025
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docs: Add signature verification note to release notes #812

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7 changes: 7 additions & 0 deletions modules/ROOT/partials/release-notes/release-25.11.adoc
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Expand Up @@ -150,6 +150,13 @@ See the xref:opensearch:index.adoc[OpenSearch documentation] page for more detai
37 CVEs were fixed in the Stackable product images.
This includes 2 critical and 18 high-severity CVEs.

====== Image signature verification

*Breaking:* With the release of SDP 25.11, we now sign container images and Helm charts using cosign 3 and its new bundle format, benefiting from the OCI Referrers API.
This means to verify signatures of this and future releases, users need to use cosign 3.
Verification using cosign 2 is also possible if you're using version 2.6.0 or above and provide the additional flag --new-bundle-format, but cosign 3 is recommended for full compatibility and functionality.
For guidance on how to verify image signatures, please consult the Stackable xref:guides:enabling-verification-of-image-signatures.adoc[signature verification documentation].

[#observability-25_11_0]
====== Observability

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