This is a quick hotfix release; the Quoth The Raven update accidentally broke a few rooms, this fixes that, cleans up a few feathers that weren't interactive, and adds some safe-guards to the Improve the Ridge side-quest.
1.04e
Fixed interactability of feather at Airfield during daytime
Fixed interactability of feather at Hidden Lake during nighttime
1.04f
Fixed visibility of Hangar at Airfield before it was renovated but after vines have been removed
1.0.4g
Fixed Improve The Ridge quest not triggering for some players