About my question

In my qst i ask about changelog: http://stackideas.com/forums/changelog-for-version-1-2-9

I wonna buy this component, but i heard about some error like this: http://stackideas.com/forums/user-id-and-username-in-profile-url

If dont use SH404sef component user url looks like id-username. I dont like to use SH404sef, and this is great problem if permalink don't work.

Sorry for dublicate question...