Aurelia: Next Generation Web Apps - Rob EisenbergGetting
the first PR into .NET and other tales from an OSS contributor - Adam RalphCode
Gems From the Rosyln and .NET Source Code - Scott Allen
Making .NET Applications Faster - Sasha Goldshtein
Migrating your API from Web API 2 to MVC 6 - Filip W
Up and Running with ASP.NET on Linux - Mark Rendle
Type-Driven Development - Mark Seemann 

During the two-day event we will have more than 16 hours of content on subjects such as ASP.NET 5, .NET Core, C#, F#, Roslyn, debugging with VS2015, learnings from running large scale websites, and more! 

Defcon 22 Videos and slides 

NDC Conferences’s Videos

Introducing Roslyn
Async C# 5.0 - Patters For Real World Use
The Future of ASP.NET Part I
The Future of ASP.NET Part II