What links to 'timeline-view'?
Found it.
When adding an update, it goes to Timeline View.
Link in Admin (Edit "Update" Item) given as 'page.php?i=timeline-view'
P
Where exactly do I have to change which entry?
I know where the problem lies, but not the solution. We need to look at what's displayed in an earlier version to maybe find out. Else some code has been changed.