Update release notes

matthias-wende-frequenz · matthias-wende-frequenz · commit 01d1573da70f · 2023-06-16T16:51:05.000+02:00
Signed-off-by: Matthias Wende &lt;matthias.wende@frequenz.com&gt;
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
@@ -10,6 +10,9 @@
 
 ## New Features
 
+The logical meter has a new method that returns producer power, that is the sum
+of all energy producers.
+
 <!-- Here goes the main new features and examples or instructions on how to use them -->
 
 ## Bug Fixes
