- Fix for UI secret caching vulnerability (CVE‑2021‑38554) that exposed secrets across sessions
- Update Go to 1.15.15 and add TLS server name support for Cassandra DB plugin
- Multiple bug fixes: raft snapshot rename on Windows, transit encrypt batch key version handling, database plugin restart, UI auto‑refresh on logout, metrics page handling, and OIDC login on Safari
v1.6.6
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BREAKING: UBI container images no longer include gnupg, openssl, or procps; duplicate HCL attributes now always cause errors and the legacy env var is removed