There is: com.fulcrologic.fulcro.algorithms.normalized-state/remove-entity Maybe show that instead of a delete-player Not really task related: L226: @(::app/state-atom app6) → (app/current-state app6) L248: (->> players (map :ui/checked?) (every? boolean)) Why not (every? :ui/checked? players) ?

Thanks a lot! Great point! I didn't know of remove-entity 🙏 To the last question: because I should not be working late in night :-)

There are some useful functions I didn't know about for ages. Looking into the code today, I learned for the first time, that there is norm/integrate-ident and norm/remove-ident. I always used targeting/integrate-ident* and merge/remove-ident* . :-)

FYI I pushed an update based on your suggestions. Thanks a lot for your help, much appreciated!

BTW I have also added a tip about the norm/* utils to the Minim. F. Tutorial, because these should be more widely known 🙂 Thanks for it!!!