The version is updated as follows:

feature：

• [#2200] support postgresql(client and server)
• [#1746] integrate with httpClient
• [#2240] support custom saga transaction recovery strategy on transaction timeout
• [#1693] support for druid class isolation loading
• [#2245] zookeeper digest support
• [#2239] compatibility dubbo 2.7.4+
• [#2203] support nacos configuration group
• [#2086] support apollo configuration namespace
• [#2106] support FastThreadLocalContextCore
• [#1703] create sql parser SPI and a druid type sql parser
• [#2151] Saga provide a switch to skip branch report on branch success

bugfix：

• [#2270] fix worker size not support enum type and some minor problem
• [#2258] fix channelHandler not sharable
• [#2261] fix ApplicationContext has not been refreshed
• [#2262] fix nacos script set group error
• [#2249] fix saga statemachine status incorrect on register branch failed
• [#2126] fix escape characters for column and table names
• [#2234] fix type error when fastjson deserialize long type
• [#2237] fix DefaultCoordinatorTest failed in Windows OS
• [#2233] fix fastjson undo filter tableMeta
• [#2172] fix configuration center can't read configuration using SpringCloudConfig
• [#2217] fix wrong property names in seata-spring-boot-starter
• [#2219] fix the value of disableGlobalTransaction not being read correctly
• [#2187] fix the wrong rollback sequence caused by the same record request from different transaction branches on different servers
• [#2175] fix direct buffer OOM
• [#2210] fix retry expired commit and rollback globalSession can't be removed
• [#2179] fix type casting problem when using redis as registry
• [#2192] fix override eureka getHostName() return ipAddress
• [#2198] fix global lock not released when rollback retry timeout
• [#2167] fix saga concurrent asynchronous execution with duplicate primary key xid
• [#2185] fix issue of judgement container in kubernetes
• [#2145] fix Saga report branch status incorrect when service retried succeed
• [#2113] fix when branchRollback failed, it will trigger retry of multi-tc

optimize：

• [#2255] optimize some default configuration value
• [#2230] unify the config style and keep defaults consistent
• [#1935] some about rpc optimize
• [#2215] optimize handing saga transaction timeout
• [#2227] separate tc In/Outbound interface
• [#2033] an optimization about DefaultRemotingParser
• [#1688] reduce unnecessary dependences in client side
• [#2134] separate the different transaction pattern processing logic
• [#2224] optimize ContextCoreLoader code style
• [#2171] optimize script and add script usage demo
• [#2208] replace getDbType with LoadLevel name
• [#2182] optimize configuration item prefix judgment
• [#2211] optimize RootContext code style
• [#2140] optimize GzipUtil code style
• [#2209] refactor seata-discovery more readable
• [#2055] refactor tableMetaCache and undoLogManager with SPI
• [#2184] refactor seata-config more readable
• [#2095] refactor of auto proxying of datasource
• [#2178] saga statemachine designer add default properties for catch node
• [#2103] optimize tcc module code style
• [#2125] change the package path of MySQL recognizer
• [#2176] fix typos
• [#2156] refactor sql parser type druid as constant
• [#2170] enhance test coverage of seata common
• [#2139] gracefully close resources
• [#2097] use serializer package name instead of codec
• [#2159] optimize spring module code style
• [#2036] optimize Dubbo parser
• [#2062] optimize seata-rm-datasource module code style
• [#2146] optimize log specifications
• [#2038] simplify to make seata-common more readable
• [#2120] fix typos
• [#2078] enhance oracle table meta cache code coverage
• [#2115] fix typos
• [#2099] optimize tm module code style

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

• slievrly
• xingfudeshi
• objcoding
• long187
• zjinlei
• ggndnn
• lzf971107
• CvShrimp
• l81893521
• ph3636
• koonchen
• leizhiyuan
• a364176773
• caioguedes
• helloworlde
• wxbty
• bao-hp
• guojingyinan219
• CharmingRabbit
• jaspercloud
• jsbxyyx

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