Yes, I've had it installed and regularly updated for a while now. There's a new update out every couple days, as needed.
Before posting this, I tried updating to see if anything was up. Since mine is already the latest version, it didn't do much.
Kovid Goyal, the man who's been working on libprs500 and html2lrf, said a few days ago, however, that he would be traveling for a couple weeks. He might not be checking on his servers in the meantime.