diff --git a/CHANGELOG.md b/CHANGELOG.md
index 74f5af83a..f5a29c820 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Added
 - HCI Dump: Support BTSnoop format in hci_dump_posix_fs.c for format = HCI_DUMP_BTSNOOP
 - HCI Dump RTT STDOUT: drop messages if RTT buffer is full and RTT is configured for non-blocking
+- hci_cmd: support variable length fields and arrayed parameters
 - POSIX: btstack_signal allows to register for callback on signal, e.g. ctrl-c
 - Windows: btstack_stdin_window_register_ctrl_c_callback allows to register for ctrl-c