By swiping to the left on a chat you can now access 3 actions that can be performed. These actions are Mark as spam, Ignore and Accept. Afterwards, you will also see a confirmation pop-up in addition.
This change started rolling out in mid-July and now it should be available to the majority of the users.
ICYMI: Now when you will tap on the profile icon from comments it will open a minimised pop-up with profile preview.