When you change the icon theme all apps change accordingly, buy not Dolphin. Even Konqueror changes as expected. This problem has happened to me since I'm a KDE user (since 4.1 or 4.2). Reproducible: Always Steps to Reproduce: 1. Change icon theme 2. Open dolphin Actual Results: Dolphin keeps the previously selected theme. Expected Results: Dolphin should change its icons like the rest of the desktop/apps.
Thanks for the bug report. This issue has been reported already. *** This bug has been marked as a duplicate of bug 256856 ***