Is this a new feature? Mentioning an user with @ becomes a link to their user ID.

In this post, the user @ mentioned a user and that became a link to his user ID. Usually, when we do this, it is not the case.

Is it a new feature?

• Nope it is not a new feature. It is just write with @ they have used hyperlink like this [@Lac](https://math.stackexchange.com/users/833003/lac)
– user876009
Sep 13 at 7:29

Using  [@Lac][1]'s comment, we have ...