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Update conformance testing CLI to support attestation

enhancementNew feature or requestNew feature or request

Status: Open.

#4665 In sigstore/cosign;

· aaronlew02 opened on Jan 23, 2026

oci 1.1 referrers selection is order-dependent (last element)

Status: Open.

#4655 In sigstore/cosign;

· 1seal opened on Jan 20, 2026

new bundle verifier: clarify supported CheckOpts combinations (identities + SigVerifier) to avoid policy option conflicts

questionFurther information is requestedFurther information is requested

Status: Open.

#4654 In sigstore/cosign;

· 1seal opened on Jan 20, 2026

Problem in an air-gapped environment

questionFurther information is requestedFurther information is requested

Status: Open.

#4647 In sigstore/cosign;

· rseleven opened on Jan 20, 2026

Conformance test failures

enhancementNew feature or requestNew feature or request

Status: Open.

#4644 In sigstore/cosign;

· cmurphy opened on Jan 16, 2026

Content pushed using the referrers API to older registries does not push a valid fallback tag

bugSomething isn't workingSomething isn't working

Status: Open.

#4641 In sigstore/cosign;

· sudo-bmitch opened on Jan 15, 2026

Conformance Tests Failed

bugSomething isn't workingSomething isn't working

Status: Open.

#4639 In sigstore/cosign;

· github-actions opened on Jan 14, 2026

Disallow both a key and identity during verification

enhancementNew feature or requestNew feature or request

Status: Open.

#4617 In sigstore/cosign;

· Hayden-IO opened on Jan 5, 2026

cosign does not generate signed timestamp anymore

bugSomething isn't workingSomething isn't working

Status: Open.

#4594 In sigstore/cosign;

· augjoh opened on Dec 21, 2025

cosign v3 verify ignores COSIGN_REPOSITORY envvar

bugSomething isn't workingSomething isn't working

Status: Open.

#4591 In sigstore/cosign;

· rhuddleston opened on Dec 19, 2025

cosign 3.0.3: cosign attestation download skips new-bundle-format style annotations, if any sort of bundle is found via referrers api

bugSomething isn't workingSomething isn't working

Status: Open.

#4573 In sigstore/cosign;

· tamcore opened on Dec 10, 2025

Restructuring signing code for shared implementation

enhancementNew feature or requestNew feature or request

Status: Open.

#4570 In sigstore/cosign;

· Hayden-IO opened on Dec 9, 2025