Hello, I posted to parsoid discussion: https://www.mediawiki.org/wiki/Topic:Uq1qjam84dx9v48a
after upgrade clicking edit displated
Error loading data from server: apierror-visualeditor-docserver-http-error: (curl error: 7) Couldn't connect to server. Would you like to retry?
If you may have a solution, or the same issue, please post at https://www.mediawiki.org/wiki/Topic:Uq1qjam84dx9v48a