One way to improve communication on these types of updates is to simply post it on the set's page with a subject line like: 1981 Topps #XXX Joe Blow VAR added. Of course they'd have to access the Forum, but it's better than simply adding it without informing anyone.
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“Aslan didn't tell Pole what would happen. He only told her what to do. That fellow will be the death of us once he's up, I shouldn't wonder. But that doesn't let us off following the signs.” - Puddleglum in The Silver Chair by C. S. Lewis