[@ricsca2 Participant 5 years, 3 months ago]

I also noticed that if I marry a topic, the counters do not change and it remains counted in the old Forum and not in the New.
If you want by email I will send you the data of my site (closed) so you can check.
I was then able to import from vbulletin to bbpress. As soon as I have time I will write how I have done that will be of use to many.