Something I'm struggling with is whether (and how) to have people let us know when they've hit this, so that we know that the campaign is working. I have some language to that effect in the "What do I need to do?" section, but I don't really know what list I should point to, if any, nor what they should say so that they don't confuse the list regulars. I'm considering removing that part of the call to action.
I think it'd be good if they notify us too. So we can get a sense of whether it's "safe enough" to bump the protocol version at some point and/or we can bug important offenders that we have some sway over. How about adding something like this to the wiki page:
Please also report the issue to the pgsql-hackers mailinglist using the [grease] tag at the start of the subject and include a link to the upstream issue (if it's on a public issue tracker). As an example:
