Right click on the clouds icon does not delete the clouds.
The text for Locked/Unlock gets smaller and smaller the farther back the object is being locked, to the point of being unreadable.
Objects behind locked objects are deleted if the locked object is selected and the Delete key is pressed.
The falling leaves (3rd icon from the top left) fall right through the terrain and do not accumulate and the paint brush is a fixed size relative to the camera position.
Nice new plants and architecture .