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 ## Features
 
 - Library call for plop verification of entries added.
+- New config parameter 'mmd' (maximum merge delay in seconds). Used to
+  determine if an STH is fresh enough. Default if not configured is
+  86400, equals 24 hours (closes CATLFISH-51).
+- New config group 'ratelimits' (closes CATLFISH-52).
 
 ## Bug fixes