Instant Preview working in LyX 1.4.1?

[Rudi Gaelzer]

Is Instant Preview working at all in LyX 1.4.1?
I upgraded from 1.3.7 to 1.4.1 on my Fedora 5 box and mathematical expression 
are not rendered with Instant Preview.  Then, I removed 1.4.1 and installed 
1.3.7 back and it worked again...

Rudi Gaelzer