CHANGELOG.md in positioning-0.2.6 vs CHANGELOG.md in positioning-0.3.0

@@ -1,6 +1,10 @@
 ## [Unreleased]
 
+## [0.3.0] - 2024-08-21
+
+- POSSIBLY BREAKING: Clear all position columns on a duplicate created with `dup`.
+
 ## [0.2.6] - 2024-08-21
 
 - Implement list healing so that existing lists can be fixed up when implementing `positioned` or if the list somehow gets corrupted.
 - Tidy up Advisory Lock code.