Activiti 5.17.0 发布，此版本值得关注的特性如下：

• 添加了经过全面测试的全新 Async executor
  

• 使用 AngularJS 重写了 Activiti Modeler

• 修订了用户指南，重写了 AsciiDoc
  

• It's now possible to start a process instance a skip tasks based on a skipExpression
  

• We added a new module named activiti-jmx to the Activiti project

• Variable fetching has been optimized for process instances and executions in general.</li>

• The database upgrade scripts use a different minor version than the JAR version.
  

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Activiti是一个业务流程管理(BPM)和工作流系统，适用于开发人员和系统管理员。其核心是超快速，稳定的BPMN2流程引擎。它易于与 Spring集成使用。

新闻来源：Activiti 5.17.0 发布，新增 Async executor