diff --git a/CHANGELOG b/CHANGELOG
index bb529ca4ff260d150be1d56310b1a8d96db1d287..884fd16e87ef57f257e23cd76d87f8899c349363 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -15,3 +15,11 @@
             added -m/--merge option
 2023-10-27: improved matching of port name from CDP/LLDP data to interface (item) name of service
             improved internal data handling (HostCache)
+2023-10-28: reworked handling of layers (see option -l/--layers)
+            added option -l/-layers {CDP,CUSTOM,LLDP,STATIC} [{CDP,CUSTOM,LLDP,STATIC} ...]
+            added section CUSTOM_LAYERS to user data file
+            removed option -m/--merge, included in option -l/--layers
+            removed option --lldp, included in option -l/--layers
+            removed option --data-source, now handled in CUSTOM_LAYERS
+            removed option --inventory-columns, now handled in CUSTOM_LAYERS
+            removed option --path-in-inventory, now handled in CUSTOM_LAYERS