Update ChangeLog.md

mpilgrem · mpilgrem · commit 260a50d811cb · 2022-09-05T20:38:30.000+01:00
diff --git a/ChangeLog.md b/ChangeLog.md
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 # Changelog
 
+## Unreleased changes
+
+Release notes:
+
+**Changes since v2.9.1:**
+
+Major changes:
+
+Behavior changes:
+
+Other enhancements:
+
+Bug fixes:
+
 ## v2.9.0.1 (release candidate)
 
 **Changes since v2.7.5:**
