Xamarin Bugzilla is no longer open for new bug reports. Please use the new locations below instead.

Xamarin: Mobile Development
Android: Go to Xamarin.Android on GitHub for new bugs. Existing Bugzilla reports are still actively tracked.
Components: Go to Xamarin Components on GitHub for new bugs. Existing Bugzilla reports are still actively tracked.
Forms: Go to Xamarin.Forms on GitHub for new bugs. Existing Bugzilla reports are still actively tracked.
iOS: Go to Xamarin.iOS on GitHub for new bugs. Existing Bugzilla reports are still actively tracked.
Live Player: Use Report a Problem in Visual Studio or Visual Studio for Mac for new Live Player bugs. Existing Bugzilla reports are still actively tracked.
Profiler: Use Report a Problem in Visual Studio or Visual Studio for Mac for new Xamarin.Profiler bugs. Existing Bugzilla reports are still actively tracked.
Visual Studio Extensions: Use Report a Problem in Visual Studio 2017 for new bugs. Or go to Android, iOS and Mac, or Xamarin.Forms on GitHub for new bugs in Visual Studio 2015 Tools for Xamarin.
Windows iOS Simulator: Use Report a Problem in Visual Studio or Visual Studio for Mac for new Xamarin Remoted iOS Simulator bugs. Existing Bugzilla reports are still actively tracked.
Workbooks & Inspector: Go to Workbooks on GitHub for new Workbooks bugs. Or use Report a Problem in Visual Studio or Visual Studio for Mac for new Inspector bugs.
 
Desktop:
Objective Sharpie: Go to Xamarin.iOS & Xamarin.Mac on GitHub for new Objective Sharpie bugs. Existing Bugzilla reports are still actively tracked.
Xamarin Studio: Use Report a Problem in Visual Studio for Mac for new Visual Studio for Mac bugs. Or go to MonoDevelop on GitHub for new MonoDevelop bugs. Existing Bugzilla reports are still actively tracked.
Xamarin.Mac: Go to Xamarin.Mac on GitHub for new bugs. Existing Bugzilla reports are still actively tracked.
 
Mono: Mono
Gtk#: Go to Gtk# on GitHub for new Gtk# bugs. Existing Bugzilla reports are still actively tracked.