qtdoc-opensource-src 5.9.1-2 is marked for autoremoval from testing on 2017-10-23
It (build-)depends on packages with these RC bugs:
874786: qt3d5-dev: broken symlinks:
/usr/lib/i386-linux-gnu/libQt53D{QuickScene2D, QuickAnimation, Animation}.so ->
libQt53D*.so.5.9.1
