.. _version_history_1.7.1:

1.7.1 (August 3, 2018)
=======================



Changes
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* **upstream**: require opt-in to use the :ref:`x-envoy-orignal-dst-host <v1.7:config_http_conn_man_headers_x-envoy-original-dst-host>` header for overriding destination address when using the :ref:`Original Destination <v1.7:arch_overview_load_balancing_types_original_destination>` load balancing policy.