Pages using pug templates show wrong current user

[rcsheets]

The login page, for example, shows a username in the header even when there is no session.

[rcsheets]

This appears to only be a display issue. For example, right now I see "~cel" in the header even with no session, but I'm not able to access cel's user profile. (I would be able to access cel's profile if the profile display page thought I was logged in as cel.)

[stackptr]

It looks like the template is being served from some cached state that was previously rendered for another user. I just tried to login and the header thinks I am rcsheets