At ports.macports.org you can follow ports. Does this meet your needs?
> On Mar 1, 2023, at 5:48 AM, [email protected] wrote:
>
> There are ports which I am interested in being notified of changes and
> reported issues for, but not currently interested in being held responsible
> for maintaining. If there was something like a separate port follower role, I
> may find that very useful; I wonder if there are others involved in MacPorts
> who would also find that useful.
>
> I probably cannot implement this idea myself currently. I am not aware if
> other package managers already have something similar.