Finally, In latest update, Microsoft is providing full support for Windows Subsystem For Linux In Windows 10 Fall Creators Update.
In Fall Creators Update (shipping 17th October 2017) WSL will become a fully supported OS feature. Now Microsoft team will be providing full support to the windows user if they came up with issues in WSL. You can contact Microsoft Support to file a support ticket that will be managed through the normal channels along with support via the WSL Github Issues Repo and Feedback Hub.
Meanwhile, Now you can install one or more Linux distros from the Windows Store. Currently, you can install Ubuntu, openSUSE and SUSE Linux Enterprise Server (SLES). It has been reported that Fedora and other distros will arrive in the store in the coming months.