possibly related cases:
Copy cards to new space doesn't finish - #2 by pirijan
Links missing after copy - #2 by pirijan
Paint select -> copy into same space
Bug when repeat copying cards w cmd-c/cmd-v (MacOS, Safari) - #2 by kordumb
Copy cards to new space doesn't finish - #2 by pirijan Links missing after copy - #2 by pirijan Paint select -> copy into same space Bug when repeat copying cards w cmd-c/cmd-v (MacOS, Safari) - #2 by kordumb