Sorry, I can't get how to delete a topic. :-(

[wsmwk]

@voevoda 

Delete which topic?  Please provide a URL?

[voevoda]

@wsmwk

This one. I started a topic with a bug report (it was my first one) for the last version of FF and soon I realised that a bug was caused by a last version of an add-on. 🙂