add changelog entry

penelopeysm · penelopeysm · commit 9191203344cd · 2025-08-31T02:49:27.000+01:00
diff --git a/HISTORY.md b/HISTORY.md
@@ -2,6 +2,9 @@
 
 ## 0.38.0
 
+The `varname_leaves` and `varname_and_value_leaves` functions have been moved to AbstractPPL.jl.
+Their behaviour is otherwise identical.
+
 [...]
 
 ## 0.37.1
