If I login to comment on my blogs, everything works beautifully. If I comment anonymously, I get an 500 error. If I "Publish mt.js", the error goes away but the next anonymous commenter gets it.
Not sure what's happening here but it is consistent across all three of the blogs I have open to comments.
Any ideas? I would love to just get my blogs to work properly and then just leave them alone again.
Reported on Movable Type 4.3