Glitches and Dropped Frames
Overall I've been very pleased with my experience with HitFilm 4 and HitFilm 2017 Pro. Occasionally there would be a weird rendering error where a few frames would have digital noise and/or weird thin green horizontal bars across the screen, but a hard reboot of my system would take care of this, as I figured my graphics card was just being wonky.
However, as of late, the rendering consistently produces glitches and drops frames where I cannot get any work done. My system is an i7 with 16 GB of DDR4 RAM and 8 GB of GDDR5 VRAM, so it shouldn't be my system that is lacking.
The glitches are very prominent in the first six seconds. Please excuse this rough cut of an unfinished product. :P But I need to be able to render correctly before I put in more effort on color grading, camera shake, blur, and keyframing.