I just updated to 4.7.2 and I continue seeing the old "Mark as Solution" link, not the new green one? I checked in my dashboard and my install is indeed 4.7.2: 

The link will only show with the green tick for users who are the topic starter, and not for mod/admin, in order to encourage them to click the correct answer. For mod/admin it remains as it was

Great! Just logged in as a test user account and I see it now. Fantastic. 😀

On 9/13/2022 at 2:10 PM, Marc Stridgen said:

The link will only show with the green tick for users who are the topic starter, and not for mod/admin, in order to encourage them to click the correct answer. For mod/admin it remains as it was

What to do with lazy users, who will never return to the topic and click on the mark as solved button? Can the forums staff have the possibility to tag such posts too, not just topic starters?

20 minutes ago, Xeite said:

What to do with lazy users, who will never return to the topic and click on the mark as solved button? Can the forums staff have the possibility to tag such posts too, not just topic starters?

Administrators and moderators, who have permission to do so, would still have the ability to mark a post as the solution.

You may find the following guide helpful to you. This is a moderator permission that you are looking for