ogre-1.9 is marked for autoremoval from testing

[Debian testing autoremoval watch]

ogre-1.9 1.9.0+dfsg1-11 is marked for autoremoval from testing on 2018-08-19

It (build-)depends on packages with these RC bugs:
888350: blender: FTBFS with FFmpeg 4.0
897713: blender: ftbfs with GCC-8