> 1.) after the mirror completes, there is a button 
that 
> says 'View Log File'.  In 3.16-2 this button flashed 
> if any errors were enountered.  I just mirrored a 
site 
> and updated another in v3.20beta5 and the 'View Log 
> File' button didn't flash post-mirror, even though 
> some new errors were recorded.

Fixed (argh, thread-safety is really a pain)

> 2.) I found the 'new.txt' transfer logs.  Could they 
> include the 'file type' returned by the server to 
more 
> easily identify 'broken servers'?
Yes - might be a good idea, I'll also add some other 
useful information (total size announced remotely, and 
maybe date/etag)

> I hope I'm not becoming a bother with all these 
> postings/comments/requests :)

No, no - please notify any strange engine behaviour, 
because some critical parts were rewritten (and this 
may cause vicious problems..)