Joomla!是一套在国外相当知名的内容管理系统(Content Management System - CMS)，它属于Portal(企业入口网站)类型，顾名思义，就是比较适合作为商业类型的网站程序。它是开源的！Joomla!是使用PHP语言加上 MySQL数据库所开发的软件系统，可以在Linux、Windows、MacOSX等各种不同的平台上执行。

下载:Joomla! 1.5.7

Security

• Several security issues were fixed in this release. There was 1 critical, 1 major and 2 moderate security vulnerabilities fixed in 1.5.7. For more information, visit the Security Center.

Articles

• com_content: Metadata handling; Alias not copied for Articles
• String Escaping: External links; Titles; Alt tags missing on images
• Blog Layout: Article Page break; new Left-to-Right option; Breadcrumbs; Archive Intro Text formatting issues; Section Blog Article links
• Submit Article: Article Order Drop-Down List on Front End Shows Archived and Trashed Articles; Preview edited Article does not use Template Editor.css
• RSS Feed: Publish Date fix; External URLs rendering incorrectly
• SEO: Index and Follow Meta Tag for Print View

Modules

• Show_noauth problem; Module Deletion after uninstall; Colspan in mod_latest; Copy Newsflash Module
• Name and Username in mod_login; Menu item is locked after closing
• Search: Textfield Width Parameter; Show Search Results option; Category Search

Legacy

• Menu Access Rights Corrections; Menu Separator shows as Link

Templates

• Beez: Contact Image; Typo in Attribute value; Newsflash Article URL
• ja_purity: e-Mail and Print Button files; Default Article Layout does not display Edit Icon for Authors; Site Logo Text goes under Header background; Top menu

Administrator

• $row is not Initialized
• Help: Latest Version check; Help Key Reference Update for Modules: New Screen
• Configuration: Time Zone correction
• Media Manager: Base path missing slashes
• Sample Content: Outdated Links in "Welcome to Joomla", Newsfeed Fixes, several updated articles and statistics
• Installation: Remove confusing error message about language files for extension installations

System

• IIS 6 and IIS 7: JRoute::_() and Application Redirect() fixes
• Parameter Types: SQL, Textarea for Templates
• E-mail: JMail class ignores JConfig.sendmail path for sendmail; Incorrect SEF URLs for outgoing recommendation e-mails
• API: JHTMLSelect fix; queryBatch logging in debug mode; JSite::getParams(); strpos(); setMetadata creates duplicate meta tags; $row is not initialized
• XML-RPC client ID is too high; Profiling J1.5 framework; $row is not initialized
• Cache: JCacheStorageFile::gc flawed logic in cache expiry; Clean Cache file with Cache Manager

（责任编辑：A6）