XWiki 6.4.8 发布，Java的Wiki 系统

XWiki 6.4.8 发布了，XWiki是一个由Java编写的基于LGPL协议发布的开源wiki和应用平台。它的开发平台特性允许创建协作式Web应用，同时也提供了构建于平台之上的打包应用（第二代wiki）。

改进记录：

XWIKI-13165 "My Recent Modifications" Panel show duplicate entries
XWIKI-13130 Slow performance and memory leak in UI Extension Points when creating a subwiki
XWIKI-13029 Error about page-position='all' when exporting a page to PDF
XWIKI-13009 REST API breaks if an object deletion causes objects to not be consecutively numbered
XWIKI-13007 Error in Filter RouterFilter when open Home page without / in linux
XWIKI-12998 Delete events do not correctly update documents when running multiple instances of XWiki with jgroups
XWIKI-12968 Accessing the objects resource of a page in another wiki via REST fails
XWIKI-12956 Cannot choose Admin Export options anymore
XWIKI-12946 User avatar fails to display properly when using #displayUser under some conditions
XWIKI-12944 User Avatar Macro is broken when the user has no custom avatar
XWIKI-12874 There is no way to get the reference to the subscriber in the XWiki.WatchListMessage template
XRENDERING-427 WYSIWYG editor looses the Query String inside a Link when inside a Group
XCOMMONS-923 URLClassloader#close should be called when dropping a classloader
XCOMMONS-922 Classloader corresponding to root namespace is never dropped