New features:

1. [EasyScheduler-391] run a process under a specified tenement user
2. [EasyScheduler-288] Feature/qiye_weixin
3. [EasyScheduler-189] Security support such as Kerberos
4. [EasyScheduler-398] Administrator, with tenants (install.sh set default tenant), can create resources, projects and data sources (restricted Have an administrator)
5. [EasyScheduler-293] Click on the parameter selected when running the process, there is no place to view, no save
6. [EasyScheduler-401] Timing is easy to time every second. After the timing is completed, the next trigger time can be displayed on the page.
7. [EasyScheduler-493] add datasource kerberos auth and FAQ modify and add resource upload s3

Enhanced:

1. [EasyScheduler-227] upgrade spring-boot to 2.1.x and spring to 5.x
2. [EasyScheduler-434] The number of worker nodes is inconsistent between zk and mysql
3. [EasyScheduler-435] Verification of the mailbox format
4. [EasyScheduler-441] prohibits running nodes from joining completed node detection
5. [EasyScheduler-400] Home page, queue statistics are not harmonious, command statistics have no data
6. [EasyScheduler-395] For fault-tolerant recovery processes, the status cannot be **Running
7. [EasyScheduler-529] optimize poll task from zookeeper
8. [EasyScheduler-242] worker-server node gets task performance problem
9. [EasyScheduler-352] worker grouping, queue consumption problem
10. [EasyScheduler-461] View data source parameters, need to encrypt account password information
11. [EasyScheduler-396] Dockerfile optimization, and associated Dockerfile and github to achieve automatic mirroring
12. [EasyScheduler-389] service monitor cannot find the change of master/worker
13. [EasyScheduler-511] support recovery process from stop/kill nodes.
14. [EasyScheduler-399] HadoopUtils specifies user actions instead of **Deploying users
15. [EasyScheduler-378] Mailbox regular match
16. [EasyScheduler-625] EasyScheduler call shell "task instance not set host"
17. [EasyScheduler-622] Front-end interface deployment k8s, background deployment big data cluster session error

Repair:

1. [EasyScheduler-394] When the master&worker is deployed on the same machine, if the master&worker service is restarted, the previously scheduled tasks cannot be scheduled.
2. [EasyScheduler-469] Fix naming errors,monitor page
3. [EasyScheduler-392] Feature request: fix email regex check
4. [EasyScheduler-405] Timely modify/add page, start time and end time cannot be the same
5. [EasyScheduler-517] Complement - Sub Workflow - Time Parameters
6. [EasyScheduler-532] Python node does not execute the problem
7. [EasyScheduler-543] optimize datasource connection params safety
8. [EasyScheduler-569] Timed tasks can't really stop
9. [EasyScheduler-463] Email verification does not support very suffixed mailboxes
10. [EasyScheduler-650] Creating a hive data source without a principal will cause the connection to fail
11. [EasyScheduler-641] The cellphone is not supported for 199 telecom segment when create a user
12. [EasyScheduler-627] Different sql node task logs in parallel in the same workflow will be mixed

新特性：

1. [EasyScheduler-391] run a process under a specified tenement user
2. [EasyScheduler-288] Feature/qiye_weixin
3. [EasyScheduler-189] Kerberos等安全支持
4. [EasyScheduler-398] 管理员，有租户（install.sh设置默认租户），可以创建资源、项目和数据源（限制有一个管理员）
5. [EasyScheduler-293] 点击运行流程时候选择的参数，没有地方可查看，也没有保存
6. [EasyScheduler-401] 定时很容易定时每秒一次，定时完成以后可以在页面显示一下下次触发时间
7. [EasyScheduler-493] add datasource kerberos auth and FAQ modify and add resource upload s3

增强:

1. [EasyScheduler-227] upgrade spring-boot to 2.1.x and spring to 5.x
2. [EasyScheduler-434] worker节点数量 zk和mysql中不一致
3. [EasyScheduler-435] 邮箱格式的验证
4. [EasyScheduler-441] 禁止运行节点加入已完成节点检测
5. [EasyScheduler-400] 首页页面，队列统计不和谐，命令统计无数据
6. [EasyScheduler-395] 对于容错恢复的流程，状态不能为 **正在运行
7. [EasyScheduler-529] optimize poll task from zookeeper
8. [EasyScheduler-242] worker-server节点获取任务性能问题
9. [EasyScheduler-352] worker 分组, 队列消费问题
10. [EasyScheduler-461] 查看数据源参数，需要加密账号密码信息
11. [EasyScheduler-396] Dockerfile优化，并关联Dockerfile和github实现自动打镜像
12. [EasyScheduler-389] service monitor cannot find the change of master/worker
13. [EasyScheduler-511] support recovery process from stop/kill nodes.
14. [EasyScheduler-399] HadoopUtils指定用户操作，而不是 **部署用户
15. [EasyScheduler-378] Mailbox regular match
16. [EasyScheduler-625] EasyScheduler call shell "task instance not set host"
17. [EasyScheduler-622] Front-end interface deployment k8s, background deployment big data cluster session error

修复：

1. [EasyScheduler-394] master&worker部署在同一台机器上时，如果重启master&worker服务，会导致之前调度的任务无法继续调度
2. [EasyScheduler-469] Fix naming errors,monitor page
3. [EasyScheduler-392] Feature request: fix email regex check
4. [EasyScheduler-405] 定时修改/添加页面，开始时间和结束时间不能相同
5. [EasyScheduler-517] 补数 - 子工作流 - 时间参数
6. [EasyScheduler-532] python节点不执行的问题
7. [EasyScheduler-543] optimize datasource connection params safety
8. [EasyScheduler-569] 定时任务无法真正停止
9. [EasyScheduler-463] 邮箱验证不支持非常见后缀邮箱
10. [EasyScheduler-650] Creating a hive data source without a principal will cause the connection to fail
11. [EasyScheduler-641] The cellphone is not supported for 199 telecom segment when create a user
12. [EasyScheduler-627] Different sql node task logs in parallel in the same workflow will be mixed