+2259. [bug] marcin
+ Prevent the clients from declining expired or released leases.
+ Only a valid lease assigned to the declining client can now
+ be declined. When a misbehaving client declined a lease it did
+ not own it often led to inconsistent statistics of assigned and
+ declined leases.
+ (Gitlab #3758, #3565)
+
2258. [bug] razvan
Fixed the serialization of 'retry-on-startup' database
configuration parameter as boolean instead of string.