Hi -

Tested in 18.2, 19.0, 19.1. DB doesn't seem to matter - as it happens with MySQL, MS SQL & embedded.

If you open a table, then scroll down to a field somewhere using the scrollbar without clicking on a field before scrolling, then click on a field, you cannot edit it (& it shows as gray).

If you click on a field, then use the scrollbar, you can click on any field & edit it.

I didn't find the scenario - I'd just seen that sometimes I could edit a field & sometimes I couldn't (& would get annoyed ). Gerry Kubatska is the one who pointed out how to reliably duplicate the issue.