Developers publishing to the Microsoft Store now have the ability to make an app visible to only few selected users. Jonathan Garrigues from the Dev Center team came by to demonstrate - https://aka.ms/ifdef-private-audience Questions, comments, suggestions - comment below or on Twitter #ifdef WINDOWS | Nikola

We asked Lucas Brodzinksi from the Windows Machine Learning team to give us an overview of what is Windows ML, why it is important, and how to get started. https://aka.ms/ifdef-winml - Documentation- Blog Post Questions, comments, suggestions - comment below or on Twitter #ifdef WINDOWS and Nikola

David Rousset came by to play with WebVR and BabylonJS. He showed me how to enable WebVR in 2 lines of code. More details at David's blog Learn more about BabylonJSTry the Haunted Mansion in WebVRMake sure to subscribe! Questions, comments, suggestions - comment below or on Twitter

Gian Paolo Santopaolo, a Windows MVP and developer lead of CollaBoard, stopped by to talk about the Surface Hub and share tools and tips for other developers building big screen experiences. Get his open source components from Github or NuGet SurfaceHub docs CollaBoard Questions, comments, suggestions - comment below or on Twitter #ifdef WINDOWS Nikola Metulev

Jeff Burtoft from the web apps team shares some history about how Progressive Web Apps came to Windows and what it means to build great PWAs. PWA Builder Like, Share, Subscribe Questions, comments, suggestions - comment below or on Twitter Follow @ifdefWINDOWSFollow @metulev

Lottie is a library that parses Adobe After Effects animations exported as json with Bodymovin and renders them natively on the client! Alexandre walked me through using LottieUWP for Windows apps. Questions, comments, suggestions - comment below or on Twitter (@ifdefWINDOWS, @metulev)

Roberto Sonnino and Tom Mignone from the Mixed Reality team discuss 3D launchers in Mixed Reality, glTF 3D assets and the glTF toolkit glTF toolkit Mixed Reality model sample app 3D launcher docs 3D deep links docs 3D launcher design guidance Avocado 3D Model Questions, comments, suggestions - comment below or on Twitter (@ifdefWINDOWS, @metulev)

What is Mixed Reality and how do you get started? Mixed Reality Dev Center Page Mixed Reality Toolkit Follow Vlad on Twitter Windows Mixed Reality headsets Questions, comments, suggestions - comment below or on Twitter (@ifdefWINDOWS, @metulev)

Dev Center analytics enable developers to measure success and generate learnings about how users use their creations, and allow for targeted actions to increase reach and continuously improve the overall experience. Learn more at https://aka.ms/ifdef-devcenter-analytics Dev Center BlogsDev Center Insider ProgramQuestions, comments, suggestions - comment below or on Twitter (@ifdefWINDOWS, @metulev)

Simplygon enables developers to automate 3D assets optimization in the cloud with Azure. All devices have variant graphic performance and all 3D data is different. Simplygon can adapt 3D assets to run smooth on any platform. Get started at https://aka.ms/ifdef-simplygon-start Simplygon Cloud announcement Simplygon on Azure Marketplace Simplygon YouTube channel Questions, comments, suggestions - comment below or on Twitter #ifdef WINDOWSKoshi HamediNikola MetulevCreate a Free Account (Azure)