- Security updates: upgraded cloudflare/circl, filippo.io/edwards25519, and OpenTelemetry SDK to address CVE‑2026‑1229 and related Go vulnerabilities.
- Core and enterprise enhancements: Go upgraded to 1.25.7, richer seal backend status, improved KMIP WAL handling, and added POSTPKIOperation capability to PKI SCEP.
- Numerous bug fixes across core, identity, managed keys, plugins, and PKI (including SCEP/EST/CMPv2 issuance, Azure Managed Identities, and storage indexing).
v1.21.4
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Added beta AI Agent Support with an Agent Registry and OAuth 2.0 JWT authorization for Vault requests.
Remove the container IPC capability causing Vault to lose mlock() support; operators must set disable_mlock=true and disable swapping for safety.