The data processing should be compatible between 5.0.4 and 5.0.4. Kind Regards Matthew > Dear experts, > > Please, is the upgrade from FSL 5.0.2 to 5.0.4 supposed to affect the FIRST tool? > > I do not see any specific info in the "FSL 5.0 minor release revision history", but just wanted to confirm that data processed with these two different versions is compatible. > > Thanks a lot in advance > > Daniel Ferreira >