I'm closing this bug since I see you're reported in the upstream bug that this bug can't be reproduced with webkit 2.20.1 and Ubuntu 18.04 LTS has a newer version than that now.
I'm closing this bug since I see you're reported in the upstream bug that this bug can't be reproduced with webkit 2.20.1 and Ubuntu 18.04 LTS has a newer version than that now.