+1702. [func] razvan
+ Update and delete operations on database back-ends use lease old
+ expire value (internal storage) to detect concurrent actions on
+ the same lease.
+ (Gitlab #1040)
+
+1701. [func] razvan
+ Initialize all option definitions at program startup instead of
+ using lazy initialization to make access thread safe and lock-less.
+ (Gitlab #889)
+
1700. [func] godfryd
Enabled checking Kea merge request in GitLab CI by Danger tool
(see https://danger.systems/guides/dangerfile.html).