Blurry Video After Firmware Update

I'm almost positive the camera doesn't use a digital stabilization. The blurry app video only happens 10-15 minutes into flight. Not sure if the downloaded videos are actually affected because the few times it's happened I was shooting stills. The camera literally just stops focusing and the display gets progressively worse until it could hardly be seen. I'll be going back to the previous firmware.
Does it act like normal on the previous firmware? I did the same but yet to test.
 

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