[Feature-534][admin,web] Add task open API page

[Feature-254][web] Add StreamGraph JSON Export function

[Fix-529] [web] Fix the task cannot be saved after switching tasks

[Fix-527][web] the wechat alarm instance send testMsg error

[Feature-525][dlink-alert-dingtalk,web] Add @mobile mode of dingTalk Alert

[Fix-522] [client] Fix CDCSOURCE OracleCDC number can't be cast to Long

[Fix-520] [core] Fix get JobPlanInfo failed

[Feature-518][client] CDCSOURCE add log and fix decimal bug

[Fix-503][client] Remove initFunctions

[Fix-509 ][metabase] Fix MySqlTypeConvert precision and scale is null bug

[Fix-503][gateway,client] Compatibility of different versions of the …

[Feature-506][client] The CDCSOURCE table parameter supports line fee…

[Feature-506][client] The CDCSOURCE table parameter supports line feed and column sort by primary key

[Optimization-504][dlink-doc] Optimization init sql

[Fix-494] [web] Fix the savepoint information does not change with th…

[Fix-499] [connector] Flink oracle connector can't cast CLOB to String

0.6.4-SNAPSHOT

[Fix-491][admin,web] Fix refresh the status page with abnormal jitter

[Fix-491][admin,web] Fix refresh the status page with abnormal jitter

[Feature-488][*] Release v0.6.3

[Fix-484] [core] Fix to job plan info was executed twice

[Feature-275][client] Add Flink client 1.15