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I think Slim has fixed the issue on their side - I just had some simple overlay problems to fix and I have a new build!! Will be flashing shortly, assuming it's good I will upload.
Edit - build 7.4 is up and ready to go - working great here!
The camera focus issue is interesting, it's still present. Only continuous is available, and the option becomes unavailable completely with the flash enabled. I may bug the Slim devs about it, not sure what could be wrong...