Yes, I got 67.0.2, too, yesterday or the day before.  The only blockers I have are those included with the browser.  Content blocking in FF is set to Standard.

My security software is McAfee Security Scan Plus.  They push out frequent updates, too, so it's possible that something they've pushed out has broken this feature.  I have seen updates they push out break features of the scan, but haven't noticed it cause problems with any browsers or web pages.

I'm going to see what I can find at XenForo's site, too.