The end of 2018 is fast approaching and we’re being bombarded by invitations to be sentimental. Spotify is telling me the songs I listened to which I’d now rather forget. Facebook has launched a year in review tool. And, because it’s December, Mariah Carey has been dusted down and is once again telling me on the radio what she wants for Christmas. Tis the season to be nostalgic – so let’s look back at some of Blizzard’s most broken updates to its Overwatch hero roster.