Latest Lyx for Kubuntu 64 bits

[E.Kaplan]

Can anyone tell me what is the latest Lyx version that is available for 
Kubuntu 64 bits?  It seems that the repositories only have 1.6.2, and 
the only 1.6.3 version I found was meant for Karmic (9.10) which is not 
out yet.

Thanks,
EK