Update aggregations.md

mbaudis · mbaudis · commit a460fcb37316 · 2026-06-25T15:26:39.000+02:00
diff --git a/docs/aggregations.md b/docs/aggregations.md
@@ -1,5 +1,9 @@
 # Beacon Aggregations
 
+!!! warning "Under Development"
+    This document is intended to support & document the current development of the **Aggregation** extension to Beacon, slated for a late v2.n or v3 integration.
+    Document and schema are under construction and will probably change.
+
 ## Endpoints
 
 ### `/aggregation_terms`
