I hadn't visited the forums in awhile and had forgotten my password. I used the password recovery link but still couldn't log in. Only when I used the activation link did it let me use the temporary password. (I tried the captchas several times, thinking I was somehow mistyping them.) It's not intuitive that a new password also requires an activation.
Now I don't see a way to change my password. Is that feature disabled? (Not a terrible thing if it is, as I can always look it up in the last activation mail.)