Seata 1.4.0 Released.

Seata is an easy-to-use, high-performance, open source distributed transaction solution.

The version is updated as follows:

feature：

• [#2380] support yml configuration
• [#3191] support jdbc type nclob
• [#2676] support least active load balance
• [#3198] spring boot support for custom config and registry type
• [#2806] support configuring default global transaction timeoutMillis
• [#2941] add apollo secret key configuration
• [#2080] support ConsistentHashLoadBalance
• [#2950] support the reentrant lock in redis module
• [#2913] The data source proxy mode can be selected as AT or XA
• [#2856] support for undoLog using Fst serialization
• [#3076] check lock in TC when use @GlobalLock
• [#2825] support send authentication msg
• [#2962] @GlobalTransactional and @GlobalLock can support customize lock retry config

bugfix：

• [#3214] fix the 'RootContext.DEFAULT_BRANCH_TYPE' is wrong in some cases
• [#3129] forbidding execute SQL which update pk value
• [#3205] fix can not get boolean value in configuration
• [#3170] the disposables tree set won't accept another Disposable with the same priority
• [#3180] serializer fst package name error
• [#3178] remove next line to space
• [#2929] fix the application was configured to degrade at startup and can't be dynamically switch to upgraded
• [#3050] fix fetch before images when delete and update statements
• [#2935] fix saga designer bug that the property box does not switch when switching nodes
• [#3140] fix Propagation.REQUIRES_NEW and add some comments
• [#3130] fix some problems in the automatic data source proxy
• [#3148] the redis lock key and the session key has conflict
• [#3136] fix the redis pipeline
• [#2551] Saga can't be used when the dataSource is AT's dataSourceProxy
• [#3073] do not proxy connections without an xid
• [#3074] There is no need to retry if the XA schema cannot find the XID
• [#3097] fix HttpAutoConfiguration always instantiation in springboot env
• [#3071] part of the connection is not unpacked
• [#3056] fixed a bug that after branch deletion, there are still remaining branch lock
• [#3025] fix the wrong package path
• [#3031] redis locker delete lock incomplete
• [#2973] fix oracle database in field size over 1000
• [#2986] fix checkstyle plugin can't exclude single file
• [#2910] fix error registry type comment
• [#2914] fix branchType not cleaned when consumer is in TCC mode
• [#2926] fastjson write undo log not parser
• [#2897] fix jedis unlock fail
• [#2918] fix the isolation problem when rollback in AT mode
• [#2972] UUIDGenerator generates duplicated id
• [#2932] nacos-config.py script could not run with namespace
• [#2900] ColumnUtils add escape with scheme
• [#2904] fix getConfig cache value is 'null'
• [#2890] fix misspelling in statelang examples
• [#3040] fix repeated commit when autocommit is false
• [#3230] fix use @EnableAutoDataSourceProxy startup failed
• [#2979] columns of resultset integrated with sharingjdbc need to be lowercase
• [#3233] fix Collections NPE
• [#3242] fix batch sql getTableMeta error
• [#3246] fix the exception when limit condition contains VariantRefExpr

optimize：

• [#3062] refactor the redis session store
• [#3201] optimize the wrong stack not fully display
• [#3117] make log more clearly and remove the useless code
• [#3134] optimize codes related to Map and List
• [#3195] optimize XID related codes
• [#3200] optimize rpc message when message was substring
• [#3186] remove duplicated in string utils
• [#3162] remove repeated conditional tests
• [#2969] upgrade to druid 1.1.23
• [#3141] upgrade nacos and FastJSON dependencies
• [#3118] add more configuration tips in additional-spring-configuration-metadata.json
• [#2597] judging xid status to avoid repeated processing
• [#3102] optimize ContextCore, can be set 'Object' value
• [#3016] refactor the redis lock string to hash
• [#3046] remove unused code in serializer factory
• [#3053] jedis pool adds maxtotal configuration
• [#3012] remove set port repeatedly
• [#2978] optimize globalCommit for mixed use of AT and TCC
• [#2967] replace with lambda
• [#2968] ensure that the register message is sent after RM client initialization
• [#2945] optimize async commit and reduce one update
• [#2952] optimize additional-spring-configuration-metadata.json
• [#2920] optimize some grammatical errors
• [#2906] added some configuration items to keep consistent with official documents
• [#3222] optimize fileListener to decrease cpu time usage
• [#2843] removed Reloadable from the redis/db SessionManager
• [#3209] add using company logos

Thanks to these contributors for their code commits. Please report an unintended omission.

• slievrly
• wangliang181230
• a364176773
• jsbxyyx
• l81893521
• lightClouds917
• caohdgege
• yujianfei1986
• ph3636
• PeineLiang
• heyaping388
• guang384
• zdrjson
• ITAlexSun
• dongzl
• 81519434
• wangwei-yin
• jujinghao
• JRial95
• mxszs1
• RayneHwang
• everyhook1
• li469791221
• luorenjin
• yangxb2010000
• selfishlover
• yyjgit66

Also, we receive many valuable issues, questions and advices from our community. Thanks for you all.