.. _version_history_1.31.1: 1.31.1 (September 14, 2024) ============================ Bug fixes --------- *Changes expected to improve the state of the world and are unlikely to have negative effects* * **c-ares**: Applying a C-ares patch to fix DNS resoultion by the Google gRPC library. * **dependencies**: Update curl to mitigate CVE-2024-7264. New features ------------ * **access_log**: added %UPSTREAM_CLUSTER_RAW% access log formatter to log the original upstream cluster name, regadless of whether ``alt_stat_name`` is set.