If you don’t want to read the full post you can go see the Cause of the problem and the Solution

A day like any other day I received a ticket to check why our links, when shared on a chat do not have a preview, this would have sound like an easy ticket but a few days ago we deployed a big feature, which caused all fingers were pointing to the new release. As you might have guess, it endup being an stresful day, actually more than one day.