Per Mattermost guidelines, GitHub issues are for bug reports: http://www.mattermost.org/filing-issues/

For troubleshooting see: http://forum.mattermost.org/.
For feature proposals see: http://www.mattermost.org/feature-requests/

If you've found a bug--something appears unintentional--please report using the following format: 

#### Summary
Bug report in one concise sentence

#### Steps to reproduce
How can we reproduce the issue (what version are you using?)

#### Expected behavior
Describe your issue in detail

#### Observed behavior (that appears unintentional) 
What did you see happen? Please include relevant error messages and/or screenshots.

#### Possible fixes
If you can, link to the line of code that might be responsible for the problem
