Polls not working after 1.7.0.beta5 upgrade

Upgraded Discourse this evening, and seems polls are broken across the forum. Here’s a poll from a topic created a few days ago isn’t showing any of the votes, and isn’t votable:

Any way for me to rollback to a previous version of Discourse?

Do you also have the Staff Notes plugin installed? If so upgrade that plugin again and refresh your browser.

See

Nope - these are the plugins I’ve got installed:

When you load the page with the poll do you see any javascript errors?

I’ve just updated another plugin (Topic List Previews) and it seems to have resolved the problem - might just have been the restart?

Hard to say. Without seeing the error message, I really can’t say what could have fixed it.