Hello. According to metadata.xml, only 'filemanager' USE enables the dolphin kpart. Thus konqueror[-filemanager] shouldn't block kde-apps/dolphin:4. Please fix.
Provided you still have some dolphin:4 in a personal overlay, can you check via --nodeps if it actually collides?
Thanks. https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=1a1e7a3dd10c915a8ff1f400a3967ec9698bc0ea https://gitweb.gentoo.org/proj/kde.git/commit/?id=409e6b46107360a731fdf61cb21a259f7a40246d
(In reply to Andreas Sturmlechner from comment #1) > Provided you still have some dolphin:4 in a personal overlay, can you check > via --nodeps if it actually collides? Tested and it collides because of the bug 589126.