vbseo 3.5

hi,
are vbseo 3.5 ok by vb 3.8.4?
if yes when we upgrade vb 3.8.4 to vb4 vbseo not make problem because different between the two versions?

thanks in advance for your help

vBSEO 3.5 will work on the 3.x series as well. We have not decided if we are going to release two packages or not yet, one for 3.x and one for 4.x. It really depends on how different 4.0 ends up being. We will release more information when we know more.