1.17.3 (May 11, 2021)
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Incompatible Behavior Changes
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*Changes that are expected to cause an incompatibility if applicable; deployment changes are likely required*

Minor Behavior Changes
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*Changes that may cause incompatibilities for some users, but should not for most*

Bug Fixes
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*Changes expected to improve the state of the world and are unlikely to have negative effects*

Removed Config or Runtime
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*Normally occurs at the end of the* :ref:`deprecation period <v1.17:deprecated>`

New Features
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* http: added the ability to :ref:`unescape slash sequences <v1.17:envoy_v3_api_field_extensions.filters.network.http_connection_manager.v3.HttpConnectionManager.path_with_escaped_slashes_action>` in the path. Requests with unescaped slashes can be proxied, rejected or redirected to the new unescaped path. By default this feature is disabled. The default behavior can be overridden through :ref:`http_connection_manager.path_with_escaped_slashes_action <v1.17:config_http_conn_man_runtime_path_with_escaped_slashes_action>` runtime variable. This action can be selectively enabled for a portion of requests by setting the :ref:`http_connection_manager.path_with_escaped_slashes_action_sampling <v1.17:config_http_conn_man_runtime_path_with_escaped_slashes_action_enabled>` runtime variable.

Deprecated
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