.. _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.