Sounds odd. Hoping to download Odyssey today so I'll give it a whirl. F10 worked fine in alpha as did alt F10.I too am having this problem since I updated to Odyssey. No idea why. I've taken lots of shots under prior versions. Was not in Alpha, so I don't have any experience from that. (Did not bind anything else to F10 though, as far as I know. Will take a look through the options files.)