Camera lock bug

After you alt-tab, the camera sometimes locks and nothing will unlock it, besides clicking on the minimap frantically. I know that's the solution, but all bugs must be killed. Also http://boards.na.leagueoflegends.com/en/c/bug-report/P32N8Tam-can-you-finally-fix-this-annoying-bug http://boards.na.leagueoflegends.com/en/c/bug-report/bPa9PdEE-care-to-explain-why-this-bug-is-still-not-fixed