Fixed - exception thrown by `org.redisson.jcache.JCacheEventCodec`
Fixed - connection leak occured during `RBatch` object usage
Fixed - Tomcat session should return the same object during the same request for `readMode = REDIS` and `updateMode = AFTER_REQUEST` settings
Fixed - `RPriorityQueue` comparator is not deleted or expired after corresponding methods invocation
Fixed - memory leak caused by `ClientConnectionsEntry.allConnections` field
Fixed - `maxIdleTimeout = 1 hour` set to `RedisExecutor.CODECS` map
Fixed - use `RBatch` for all types of Redis setup (thanks to @basiszwo)
### 31-Jan-2020 - 3.12.1 released
Feature - `RTransferQueue` object added. Please refer to [documentation](https://github.com/redisson/redisson/wiki/7.-distributed-collections#722-transfer-queue) for more details