GitLab HackerOne reports is goldmine of amusing bugs. For example, hackerone.com/reports/493324. In Soviet Russia, when you (an admin) impersonate a user, the user impersonates you!
Seeing #あんきも live was an interesting experience for sure. I've known them since their first Touhou albums (music of my youth), but never imagined I'd see them live. It was kinda meeting an old friend you'd only known online.
And I'm not even mentioning they're awesome live!