a lot of people have been unable to join and play servers recently. It doesn't let you click the tab to join the server but instead, you're stuck waiting for it to load. I've tried deleting and redownloading minecraft because I thought it was only me having that issue, meaning I've lost absolutely everything, my worlds, skins, files- everything, only to find out it's a bug with the game and is happening to everyone else 

as you can see on the screenshot, nothing even finishes loading. It's just stuck like that for hours