I140 LUD changes everyday even after approval. What does it mean?

oxa1

Registered Users (C)
I read many messages about LUD changes. I did not know how to get LUD info until recently when I sent out my I485/I765/I131 application after I140 approval. I login my USCIS account often now to check my AP/EAD status, and notice that my I140 case LUD changes everyday even though it was already approved one month ago. (But no change for my AP/EAD).

What does it imply? I am kinda curious.

Thanks for any words!
 
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