I've been using this in multiple sites and I had 2 of them go down due to this latest update cycle. Been working great for months previous. Definitely something up with the 5.6 series. I changed all my sites to use only critical and highly stable updates just now.
Currently on BI5 (latest update). Until yesterday, I only had a Unifi G3 Flex camera on the front door and it's been working well with DeepStack. Yesterday, I added an Amcrest IP5M-T1179EW-28 to the corner of the garage. I copied all my trigger settings from the front door camera to this one...