Rated 4 out of 5 stars

Looks like the original, so far. Good.
Like others, couldn't believe it was removed. Thought it was just broken. Didn't realise it had gone until I needed the properties of an RSS feed. Gone? Surely not, I thought, when I right-clicked! Googled and found it was so. Madness.

This review is for a previous version of the add-on (5).