Feedback Channels
Stack Overflow is the place to ask for help on using MRTK or troubleshooting an issue. Use the tag "mrtk" for it show up in the developer team's sights.
Some of the most valuable pieces of feedback on the Mixed Reality Toolkit is to use it and file issues and/or feature requests! This feedback is invaluable in making this a product that developers can use to create delightful Mixed Reality experiences across AR/VR/XR devices.
Please see How to Contribute for more details on the information requested when 'Opening a Bug' or 'Opening a Suggestion'.
A large community of both Microsoft and non-Microsoft HoloLens and Augmented Reality developers also have a Slack Channel. To gain immediate access, feel free to request an invite!
Project Management
Contributing