Joomla! Documentation™

最顯著的差異就是管理區介面全面翻新，更新為更簡化、更親切的現代設計介面。並且，從開始，Joomla!支援響應式設計。簡單說，就是使用手持裝置也可以操作 Joomla!。

另外，針對Joomla! 核心有十幾項的改進，其中值得注意的有：

• A new installer which you will notice when creating a new Joomla! 3.x install.
• Joomla! 3 is packed with goodies for extension developers, such as Bootstrap support and jQuery support.

Joomla! 3.9

• 隱私權系統
• Action Logging System
• API Features
• Log Rotation Plugin
• Argon2id Password
• Google Invisible reCAPTCHA
• List of all new improvements

Joomla! 3.8

• New Routing System
• Joomla! 4 Compatibility Layer
• Improved Sample Data Installation
• Codebase review
• Sodium Encryption Support
• 新功能清單

Joomla! 3.7

• 客製化欄位
• 元件多語言關聯
• 從選單建立新文章
• 管理區選單管理
• TinyMCE 改良
• Share sessions between backend and frontend
• Allow packages to declare that their child extensions cannot be uninstalled
• 新功能清單

Joomla! 3.6

• Show all menu items
• Menu type ACL
• Improved UX
• Categories on the fly
• Subform field
• Improved Joomla! Updates
• Allow stream connections to support proxies
• Build more complex database queries with new database query classes
• Delete all cache
• Delete and rebuild Extension Update Sites
• Easier template development with deeper JLayout integrations
• htaccess authentication for calls
• Improved Storage of dynamic JavaScript variables
• Improved Validation performance
• jQuery Update
• More Extension Details in System info
• Multilanguage ToS
• New “Showon” Option for fieldsets in component config
• New Log folder (for new installs only)
• New positioning settings for Bootstrap tooltips extended
• Protostar adds a new override for the Site Offline Page
• Reverse Caching Support
• SASS & SCSS File Support in Joomla! Template Manager
• Updated version of the CodeMirror editor.

Joomla! 3.5

• 支援 PHP 7
• 可透過 Email 通知更新
• 匯出系統訊息
• 拖曳圖片
• 匿名系統資料
• 更容易在文章中嵌入模組
• 在分類管理中加入項目計數(+ click through filter)
• 隨機分類部落格及清單檢視

Joomla! 3.4

• 前台模組編輯,
• Decoupling com_weblinks,
• Composer 整合,
• No CAPTCHA reCAPTCHA,
• 標準化核心en-GB語言 ...

Joomla! 3.3

• Microdata

Joomla! 3.2

• Content version control
• Many user interface improvements
• Easy multi-lingual setup for 64 officially supported languages
• Built-in Joomla! Extensions Finder as an onsite interface to the Joomla! Extensions Directory (that currently lists over 6,000 extensions) providing one-click extensions installation
• Increased security with strong passwords and two step authentication
• New rapid development framework for new extension coding

Joomla! 3.1

• 標籤