phonon-backend-vlc and phonon4qt5-backend-vlc were automatically updated on
26.4.16:

less /var/log/zypp/history | grep phonon

2016-04-26
08:53:58|install|phonon-backend-vlc|0.8.2-3.2|x86_64||repo-update_1|e4657f75bf488f2c4e448468cf071e8e2cd91091818171772981dc70491ae8fe|
2016-04-26
08:53:59|install|phonon4qt5-backend-vlc|0.8.2-4.2|x86_64||repo-update_1|2b06093f947059971d9b5a8c5e77c5cace3a0039800f58e7d7c8e3f93aa2df60|

After the update, amarok 2.8 can not connect to phonon any more:

thommie@locutus:~> amarok --debug
amarok: BEGIN: App::App() 
amarok:   BEGIN: void App::continueInit() 
amarok:     BEGIN: EngineController::EngineController() 
amarok:     END__: EngineController::EngineController() [Took: 0.001s] 
amarok:     BEGIN: void EngineController::initializePhonon() 
WARNING: Phonon::createPath: Cannot connect  Phonon::MediaObject ( no
objectName ) to  Phonon::AudioDataOutput ( no objectName ). 
Object::connect: No such signal Phonon::VLC::MediaObject::angleChanged(int)
Object::connect: No such signal
Phonon::VLC::MediaObject::availableAnglesChanged(int)

Information for package amarok:
-------------------------------
Repository: repo-oss
Name: amarok
Version: 2.8.0-11.3
Arch: x86_64
Vendor: openSUSE

Meanwhile, streaming through VLC still works.