http://stonehearth.net/alpha-18-has-arrived/
Known issues in this release
Wall mounted items will fall down in old (pre-Alpha 18) saves. This will happen the first time you load an older save, but not on subsequent loads
Old pet names have been forgotten (sorry!); you’ll have to rename them
Building names have also been forgotten; you’ll have to rename them
IB (instabuild) may not work correctly for very large structures