Microsoft break acquired Acompli app overnight with vague message to “upgrade” (twitter.com)

You get a message in the top bar to “upgrade”, but you can’t click it, and if you’re not a nerd who follows tech news, you wouldn’t know that Microsoft want you to use the new Outlook app instead.

So the effectively broke all Exchange/Google-related updates for people at work and home, since the app stops to fetch updates—I stopped receiving e-mails from what I can tell.