Discourse Version: v2.4.0.beta4 +55
Plugin Commit: c762c54
Steps to Reproduce
With the locations plugin enabled topics are not visible to anon users, this topic for example Hi NPN! I'm Sean Bagshaw. Ask Me Anything...no really! - Ask Me Anything (AMA) - Nature Photographers Network
Logged in users can see it, and anon can see it with plugin disabled.