Change log:
afa79d8 GH-3226: Redis Stream Outbound Channel Adapter
4761800 Fix XMPP documentation
dfd9142 INT-4566: R2DBC Outbound Channel Adapter
b860a2e Merge Spring Integration Kafka into Main Repo
5d7f0d2 Fix RedisQueueMessageDrEndpointTests for Java 14
6a3bea5 Add keepAlive(true) to testing Redis CF
9495685 Fix RedisAvailableRule for the proper evaluate
9367d7f Fix MessagingGateway for reactive reply type
3bb445e Fix deprecations from Reactor
498f42d Fix deprecations from SF
3a9ae21 Fix UDP tests to rely on a random port
9ad348b Log attempting to receive email under debug level instead of info (#3312)
b4a82eb Resolve deprecations for MulticastSocket
3f5aba2 Support Java 14 (#3310)
b0cd015 GH-3307: Retry TransTimedEx in LockRepo.acquire
7cefd53 GH-3092: Refactor (S)FTP outbound specs, handlers
2419c03 Replace whitelist with allowlist
7ec1f5c GH-3299: Fix client connectionId for TCP/NIO
3499cd6 Code clean up for JacksonJsonUtils
02f0c10 GH-3294: Retry JdbcLock.unlock for TransDataAccEx
b436cbe Fix NPE for component name after FactoryBeans
6e78569 GH-2736: TCP Async GW - Fix async check
ef939a0 GH-3283: HTTP Inbound handle SpEL errors (#3289)
5bd6278 Fix new sonar smells
b8e2dfe GH-3280: NullChannel as reply for void gateways (#3292)
e981691 GH-3288: Add Kotlin DSL transform(Transformer)
8d1dd0b Some docs clean up
8ba27f6 Move 5.3 changes to history
5562097 Update spring-amqp version
7b71a94 Fix typo in CONTRIBUTING.adoc
38a6b8e GH-3286: Make FileTailingEvent#getMessage public
665f6bf GH-3282: Fix JdbcMetadataStore for DuplicateKeyEx (#3285)
75021be Use Awaitility in TCP/UDP Tests
b8f0fb2 Upgrade dependencies & Gradle
8f92bb2 Start version 5.4