LyX 1.3.4 and LyX 1.3.7

[Griera]

Hello:

I'm using LyX 1.3.4 in a sarge debian and now I have LyX 1.3.7 for Windows 
from http://wiki.lyx.org/Windows/Windows. Can I have problems if I work with 
the same document with lyx 1.3.4 and 1.3.7?

Thanks in advance. Pep.