diff --git a/tracker/tracker/CHANGELOG.md b/tracker/tracker/CHANGELOG.md
index a1050fb85..90c68a91f 100644
--- a/tracker/tracker/CHANGELOG.md
+++ b/tracker/tracker/CHANGELOG.md
@@ -3,6 +3,7 @@
 - Capture mouse thrashing, input hesitation+duration, click hesitation
 - Capture DOM node drop event (>30% nodes removed)
 - Capture iframe network requests
+- Detect cached requests to img, css and js resources; send transferred size
 - added `{ network: { disableClickmaps: boolean } }` to disable calculating el. selectors
 
 ## 5.0.1