Cell running forever

[fonsp]

Sometimes, in a large notebook, running a cell with many dependencies will leave the cell running forever:

But refreshing the browser fixes the issue.

In some cases, the cell also shows up in the Status tab, but not always.

This was Pluto 0.19.41, the cell had classlist show_input activate_animation running and it was queued=false, running=true in the statefile.