Updated to 5.4.5.1, CPU and memory are normal (low), 5 cameras, 4 Amcrest POE 4k h.265 and 1 DBC1 wireless doorbell h.265, all with frames/i-frames aligned at 15, using Intel Quicksync (beta/v2 in BI) with an i3 8300. I also have Deepstack GPU running with my 1050.
With 5.4.5.0 I experienced...