Feature - full-featured Reliable Pub/Sub implemented. Provides topic-subscription-consumer model with message acknowledgment, grouping, seek/replay, Dead Letter Topic, and pull/push consumers
Feature - Quarkus 3.30.x integration
Feature - Spring Boot 4.0 integration
Feature - Spring Data Redis 4.0 module added
Feature - database setting added for Valkey Cluster Mode
Feature - RSemaphore.releaseIfExists() method added
Feature - RBatch.getClusteredMapCacheNative() method added
Feature - RSearch.aggregate() method with Iterable result added (thanks to @seakider)
Feature - GEOSHAPE field type added in RSearch#createIndex() method (thanks to @seakider)
Feature - expire(Duration, names) and expireAt(Instant, names) methods added (thanks to @bandalgomsu)
Feature - compute(key, ttl, func) and computeIfAbsent(key, ttl, func) methods added to RMapCacheNative object
Feature - RClusteredLocalCachedMapCacheNativeV2, RMapCacheNativeV2, RClusteredMapCacheNativeV2, RLocalCachedMapCacheNativeV2 objects added with maxSize setting

Breaking change - dropped support of deprecated JSON config format
Breaking change - removed deprecated getNodesGroup() and getClusterNodesGroup() methods of RedissonClient object
Breaking change - removed deprecated methods of RGeo object
Breaking change - removed deprecated methods of RFuture object
Breaking change - removed deprecated support of Spring XML configuration
Breaking change - removed support of deprecated custom implementation of Spring Session
Breaking change - RScript.ReturnType.MULTI renamed to LIST
Breaking change - RScript.ReturnType.STATUS renamed to STRING
Breaking change - RScript.ReturnType.INTEGER renamed to LONG
Breaking change - NameMapper, NatMapper classes moved to org.redisson.config package
Breaking change - GeoUnit, GeoPosition, GeoOrder, GeoEntry classes moved to org.redisson.api.geo package
Breaking change - StreamConsumer, StreamGroup, StreamInfo, StreamMessageId, PendingEntry, PendingResult, AutoClaimResult, FastAutoClaimResult classes moved to org.redisson.api.stream package

Improvement - move auth parameters at Config object level (thanks to @seakider)
Improvement - move nameMapper/commandMapper parameters at Config object level (thanks to @seakider)
Improvement - move ssl parameters to Config object level (thanks to @seakider)
Improvement - use SnakeYAML library directly for Config parsing
Improvement - lz4-java lib updated
Improvement - netty lib updated to 4.2.9
Improvement - Jackson library is now optional
Improvement - move tcp and keepAlive parameters at Config object level (thanks to @seakider)

Fixed - ObjectParams.retryAttempts() setting is 0 by default
Fixed - Spring Data RedissonSubscription object doesn't handle cluster failover
Fixed - locks extension process in LockTask and ReadLockTask (thanks to @Aleksandr-Kiriushkin-Miro)
Fixed - CROSSSLOT Errors with Proxy Mode Redis Cluster and Locks usage
Fixed - XREAD blocking call may cause ClassCastException
Fixed - an extra key is retained after RLocalCachedMap.clearLocalCache() method invocation
Fixed - RedissonNode.start() method throws AutowiredAnnotationBeanPostProcessor requires a ConfigurableListableBeanFactory error
Fixed - invalid JSON in resource-config.json (thanks to @Anubhavagnihotrii)
Fixed - RSemaphore and RLock objects may wait too long if AOF enabled on Valkey or Redis side
Fixed - EqualJitterDelay and FullJitterDelay throw IllegalArgumentException if attempt > 62
Fixed - RClientSideCaching doesn't clear parent Redisson instance local cache synchronously
Fixed - if prefix is configured, some hibernate caching configurations do not take effect (thanks to @seakider)
Fixed - CommandPubSubDecoder may throw NPE
Fixed - replicated node timeout handling in Replicated mode (thanks to @johnou)
Fixed - RBucket.setIfAbsent() is not rolling back on transaction (thanks to @seakider)
Fixed - get() method of RListMultimapCacheReactive and RSetMultimapCacheReactive object doesn't work
Fixed - docs: Correct default value for useScriptCache setting (thanks to @lunakv)
Fixed - javadocs: Rename method create to createIndex in RSearch (thanks to @senocak)