summary pretty much says it. upon changing directory the window title normally changes. with split view i can get the title "stuck".

when i close the right side of the split view, then the title keeps showing the current folder name as it always does.
when i close the left side, then the title stops changing to whatever folder i happen to change to.

Reproducible: Always

Steps to Reproduce:
1. split view
2. click into left half (to move focus there)
3. close split view
4. change to different folder

Actual Results:  
window title stays as it was before step 4.

Expected Results:  
window title should change to the name of the folder one changed to in step 4.

Dolphin
Version 15.04.0
Using KDE Development Platform 4.14.9

workaround: open and close the split view again. the undesired behavior stops when closing a  split while focus is on the right side.