Change log:
b8b4512 (5.2.x) Improve MessageKryoRegistrar for registrations
9763a11 Upgrade dependencies; prepare for release
fcdba0a Fix typo in KryoCodecTests
bff47ab Improve Kryo Codec for registrations
76bf66f GH-3348: Upgrade to MQTT Paho-1.2.4
c765e80 SO-62761903: Inject BF into Gateway's correlator
463e3d4 Fix CachedSessionFactory Race
d44fead GH-3324. fix NPE in StdIntFlowContext
6d60b90 (fix_fair) GH-3315: Fix (S)FTP Stream with Fair Rotation
cd4921a Fix MessagingGatewaySupport for reactive error (#3319)
6379ca0 GH-3307: Retry TransTimedEx in LockRepo.acquire