PyCharm 4.5.2 RC 发布，更新内容如下：
No subsystem：
WEB-16843 (Usability Problem) Bower: notify users when searching for packages fails because of time out
IDEA-138443 (Bug) Selecting Window->(Minified Window) does not show the minified window
WEB-16884 (Bug) Add support for JSHint 2.8.0
IDEA-137908 (Bug) External documentation (from javadoc.jar) is not shown
RUBY-16676 (Bug) if you hit enter in the rails console while the completion window is open, it does not
evaluate the current line
WEB-16724 (Bug) Extract variable in reactjs .jsx file fails
IDEA-141078 (Bug) Javadoc quickdoc popup: "null" text instead of "@Nullable"?
IDEA-141222 (Bug) Cannot switch between projects
BDD：
PY-16031 (Usability Problem) Behave test output should link exception call stack to lines in source code
PyCharm是由JetBrains打造的一款Python IDE。我们知道，VS2010的重构插件Resharper就是出自JetBrains之手。那么，PyCharm有什么吸引人的特点呢？
首先，PyCharm用于一般IDE具备的功能，比如， 调试、语法高亮、Project管理、代码跳转、智能提示、自动完成、单元测试、版本控制……
另外，PyCharm还提供了一些很好的功能用于Django开发，同时支持Google App Engine，更酷的是，PyCharm支持IronPython！
软件详情：https://confluence.jetbrains.com/display/PYH/PyCharm+141.1580+Release+Notes
下载地址：https://confluence.jetbrains.com/display/PYH/JetBrains+PyCharm+Preview+%28EAP%29
来自:开源中国社区
