Incident preview is possible form list view of incident table.
In the list view of an incident table, there is icon for each record which is known as incident preview .
There is a behavioral change of incident preview from Jakarta to Kingston.
Jakarta: shift+click on the incident preview icon provides a popup of the incident form in editable format(As below).
Kingston: shift+click on the incident preview icon provides a popup of the incident form but not in editable format(As below).
Instead, system is a provided with a button "Open Record". User need to click the button which will open the record in new tab in editable format.
It is a intentional change in platform (Kingston) behavior.