In camera playback and EI 3200, amongst some other things.

Alexa Beta 3 Firmware

Here’s a short distillation of the latest info on the F3 when the prototype was shown at Rule Boston Camera. A short video at the end as well.

F3 Info

Also a 12 page PDF on FD Times which includes the known info on the SR-R1 solid state recorder for the F3.

FD Times F3 Report