add Changes log

ocaml · Apr 30, 2021 · 9fda926 · 9fda926
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@@ -328,6 +328,12 @@ Working version
 - #10327: Add a subdirectories variable and a copy action to ocamltest
   (Sébastien Hinderer, review by David Allsopp)
 
+* #10337: Normalize type_expr nodes on access
+  One should now use accessors such as get_desc and get_level to access fields
+  of type_expr, rather than calling manually Btype.repr (which is now hidden
+  in Types.Transient_expr).
+  (Jacques Garrigue and Takafumi Saikawa)
+
 - #10358: Use a hash table for the load path.
   (Leo White, review by Gabriel Scherer)