Game gets stuck when 'Alt + Tab' pressed

After every game, I try giving feedback so that I do not forget anything and have all the details but after the update, it gets stuck and i have to end it via task manager

Experienced this as well, Happened to me while I was waiting for a game and alt-tabbin meanwhile. Alt-Tabbing worked on a few occations but after awhile it wouldnt return me to the game.