diff --git a/CHANGELOG.md b/CHANGELOG.md
index f9247db49..c507454d6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - esp32: add BTstack component config options via menuconfig
 - esp32: allow to disable default audio i2s driver via component config
 - esp32: support esp-idf v5.x audio driver
+- esp32: btstack_stdio_init configures buffered output, required for stdin support
 
 ## Removed
 - AVDTP Source: avdtp_source_stream_send_media_payload, use avdtp_source_stream_send_media_payload_rtp instead