That would be useful if the form remembers the choice of lastly selected items and automatically loads the page with those items already pre-checked. It can be stored either in the State of the current site instance or even in a cookie.
Fixed
1.0
User interface
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
I'd love to see an inverse of this.
When a sync hasn't happened in a while, but changes are being added to export, sometimes you want to export everything in the list *except for* the last things you already selected and exported.