This is a problem in new functionality introduced in 4.6, not a regression; tested in 464ddd4 but I suspect this has been a problem since LibGodot was checked in. I suspect a "real" fix is going to ...
An icon of a desk calendar. An icon of a circle with a diagonal line across. An icon of a block arrow pointing to the right. An icon of a paper envelope. An icon of the Facebook "f" mark. An icon of ...
Noticed this change while investigating #54140, but having a space in your folder name still results in a broken build (at least with the default XCode build phases). A fix that seems to work for me ...