OK, I've updated my Drupal installation to the 4.6 RC version. Looks like most things are working - still waiting for an updated weblink module to appear, so the links to the Robert Fripp and Sid Smith diaries are gone for the time being. On the upside, trackback should work again. I've also taken new action against a persistent online poker site which has kept spamming me both through their frequent accesses to this site (presumably to get themselves listed in the site logs, even though they're not public) and through a couple of bouts of trackback spam. Well, their IP is banned now, so we'll see what happens.
In other news, just a day after I read about the latest in telemarketing on Jo Jacobs's site, I got one of those messages themselves - 'we are sorry, this message is designed to be received by an answering machine'. Weird.