The problem seems to be a symbol conflict between unity-mir's "MirSurface" and libmirclient7's "MirSurface", triggered by a change in Mir that dynamically links libmirclientplatform.so. Will investigate further next week.
The problem seems to be a symbol conflict between unity-mir's "MirSurface" and libmirclient7's "MirSurface", triggered by a change in Mir that dynamically links libmirclientpla tform.so. Will investigate further next week.