Ah yes indeed, it seems it was the 2.7.0.beta8 that required a manual rebuild as per 2.7.0.beta8: Share Topic Modal Improvements, Searchable User Fields, Pause Animated Images, and more
It’s strange that I only get to see the ’ You are running an old version of the Discourse image. Upgrades via the web UI are disabled until you run the latest image.’ page at /admin/upgrade after I’m allowed to try it via the web interface and it fails spectacularly. If it appeared first like that, I wouldn’t (couldn’t!) have tried… I was sure it used to work this way… anyway, all fixed 