Sitecore 8.1 new features
- CMS only mode (xManagement) without xDB
- Language Fallback built-in
- Enhanced Experience Editor
- MVC/Web Api Upgrade to 5.2.3 + MVC Areas
- New SPEAK Components and improved SPEAK component framework (1.1 and 2.0 support)
- New Piplines for additional extensibility
- Sitecore section move to Sitecore.config
- Version changes in web database - multiple versions per item in web DB
- Fixes and improvements(7.2 update-4 and 9.0 update-1 to Update-5
