Breaking Changes (from 8.0.0)

The following are breaking changes that can impact upgrades as well as third party extensions:

.NET 4.5.1 or higher is now required
Removed the following administration modules from the product: Site Log, Newsletters, Vendors & Banners
- Although no longer supported, these can be downloaded from https://github.com/DNNCommunity
Removed the following navigation providers: ASP2Menu, DNNDropDown, DNNMenu, DNNTree, Solpart
Removed the following functionality/modules: What’s New, Feed Browser, Widget Framework, Getting Started, Content List
Removed the legacy appSetting connection string (modules that have not updated for this in the past years will now break as a result)
Moved Telerik controls to a new assembly, requiring third party extension to recompile to continue to work (this is so phase them out completely in the next series of releases)
Removed support for Internet Explorer 8
Third Party Modules (formerly core modules that shipped with the Platform) known to break on this upgrade and require new versions to be installed:
- FAQ
- Feedback
- Iframe
- Events
- Form and List

Release Notes:

Added support for partial views (for MVC module development)
Updated Advanced URL Management to keep Google campaign tracking parameters in URL when re-writing
Added support for C# 6 & VB 14 out of box
Updated Image Handler to process GIFs and corrected several problems found when generating transparent PNGs
Corrected problems found when installing in Turkish environments
Corrected problem when multiple MVC modules were placed on the same page
Additional minor enhancements and bug fixes