A Comic Life 3.5.3 for Mac update is now available.

This 3.5.3 update fixes a crashing bug when exporting to Photos.

plasq.com purchasers of Comic Life 3, please update from within Comic Life 3 or from our downloads page.

Mac App Store purchasers of Comic Life 3 – can obtain the update through the “Updates” section in the Mac App Store.
(Or it might even update automatically for you – if you have that setting turned on)