.. _version_history_1.21.4: 1.21.4 (June 14, 2022) ======================= Minor behavior changes ---------------------- *Changes that may cause incompatibilities for some users, but should not for most* * **tls**: if both :ref:`match_subject_alt_names ` and :ref:`match_typed_subject_alt_names ` are specified, the former (deprecated) field is ignored. Previously, setting both fields would result in an error. Bug fixes --------- *Changes expected to improve the state of the world and are unlikely to have negative effects* * **docker**: update Docker images (``distroless`` -> ``d65ac1a``) to resolve CVE issues in container packages.