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+2020-03-25 Jerry Lundström
+
+ Release 2.5.2
+
+ This release tweaks the reconnect code for TCP and DoT.
+
+ For TCP, atomic operations are used to signal the need to reconnect
+ from the receiving thread to the sending, as the sending is the one in
+ charge of reconnecting.
+ This speeds up detection of connection lost which reduces the amount of
+ lost queries on a disconnect.
+
+ This change does not affect DoT as much, as the SSL context shared
+ between the threads are protected by a mutex.
+ But a bug was found in `sendto()` for DoT that could drop a query if
+ the socket was busy sending.
+
+ The connect and reconnect socket events has been split into connecting,
+ connected and reconnecting, reconnected. This is to report more correct
+ reconnect events when it comes to DoT, because the connection can be
+ lost while negotiating TLS.
+
+ Lastly, additional tests has been added for the network code.
+
+ d9e5663 net test
+ 22f49df network tests
+ 8e5b56e reconnect
+
+2020-03-22 Jerry Lundström
+
+ Release 2.5.1
+
+ This release re-adds support for TYPEnnn and ANY in the datafile, this
+ was missed during the removal of the dependency on BINDs development
+ libraries in v2.4.0.
+
+ Also note that with v2.5.0, this software now depends on Concurrency
+ Kit (ck) for atomic operations.
+
+ 924e6ea ANY
+ 0a444c0 TYPEnnn
+
2021-03-12 Jerry Lundström
Release 2.5.0