botbuilder-dotnet/Changes.md

v.Next

• Changed BotContext to no longer be dynamic, and add IBotContext.Get<>() IBotContext.Set() for middleware to register
• renamed UserStateManagerMiddleware, ConversationManagerMiddleware to UserState<> and ConversationState<> consolidating using generics with POCO objects and shared base class
• Added BotContextWrapper so developer can easily create custom BotContext with their own helpers/methods

4.0.0-alpha201802027a

• Milan release