diff --git a/CHANGELOG.md b/CHANGELOG.md
index 514066440..59a52d9af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 - Fixed a crash when MCP tools return image content during streaming
 - Fixed /resume session previews showing raw XML tags instead of readable command names
 - Improved model error messages for Bedrock/Vertex/Foundry users with fallback suggestions
+- Added `speed` attribute to OTel events and trace spans for fast mode visibility
 - Improved terminal rendering performance
 - Fixed fatal errors being swallowed instead of displayed
 - Fixed process hanging after session close