You did change by moving blocks under component, that is why It doesn't work for old themes.
I have fixed problems.
Can't get into plugins on admin settings
If I go to account settings and then plugins, it won't load (hangs there).
This is what I've found on the console (hope it helps):
I'm using NodeBB v0.6.1 (branch: 0.6.x, commit: 7682b56)
Those errors usually mean websockets are not proxied correctly, make sure your nginx setup is correct. If you are using cloudflare you need to disable acceleration. They don't support websockets on smaller plans.