The following new features and changes are in version 2.5.
- Upgraded to .NET 4.0
- Multiple Blogs in Single Installation
- Razor Theme support (Razor theme included, "Garland-Revisited")
- Converted Admin pages to Razor (Dashboard, Extensions, Themes)
- Install Themes from the BlogEngine.NET Gallery while in the BlogEngine.NET control panel.
- New language resource files for Estonian and Polish, and other translations updated.
- Upgraded to jQuery 1.5.2.
- Upgraded to latest version of tinyMCE WYSIWYG editor, v220.127.116.11.
- Numerous fixes and improvements.
If you're upgrading from BlogEngine.NET version 2.0 or earlier, please take a minute to read these upgrade instructions.