The qbo.Application project has been updated to reference Newtonsoft.JSON version 22.214.171.124, from NuGet. This is the first NuGet package used in qbo.Core (though many plugins already use them).
If you have not used NuGet before, you will refresh NuGet packages by:
For example, the first time you attempt to build qbo.Application without the Newtonsoft.JSON package installed, you will get something like:
Note that the following should be added to the root configuration element of web.config until all references to Newtonsoft.JSON are updated to 9.0:
See the post on Training Guide for Developers with respect to managing NuGet packages.