diff --git a/changelogs/current.yaml b/changelogs/current.yaml
index 102c5f4a908b..f788f20f7a86 100644
--- a/changelogs/current.yaml
+++ b/changelogs/current.yaml
@@ -283,6 +283,9 @@ new_features:
 - area: geoip
   change: |
     Added ``envoy.reloadable_features.mmdb_files_reload_enabled`` runtime flag that enables reload of mmdb files by default.
+- area: access_logs
+  change: |
+    Added support for %UPSTREAM_CONNECTION_ID% access log substitution string in TCP and UDP tunneling flows.
 - area: redis_proxy
   change: |
     Added :ref:`external_auth_provider <envoy_v3_api_msg_extensions.filters.network.redis_proxy.v3.RedisProxy>` to support