February 2nd, 2011· Support for PHP 4 is gone, PHP 5.1 is now a requirement.
· CSRF Protection built into the form helper
· Drivers
· Application Packages
· Scaffolding, having been deprecated for a number of versions, has been removed.
· Removed the deprecated Validation Class.
· Plugins have been removed, in favor of Helpers.
· Added routing overrides to the main index.php file, enabling the normal routing to be overridden on a per “index” file basis.
· Added $route[‘404_override’] to allow 404 pages to be handled by controllers.
· 50+ bugs fixed
· Full query-string support
· Automatic base_url detecion if left blank
· New Cache driver with file system, APC and memcache support
· Command line compatibility for easy cron jobs
· 20+ tweaks and improvements
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