You no longer have to resort to manual focus like in the early days of DSLR video, well, unless you want to -- though the 80D doesn't offer focus peaking. As for other video features, the Canon ...

Shutter lag with manual focus was faster at 0.061 second ... and also a little faster than the 70D tested (0.059s). The Canon 80D's prefocused shutter lag in Live View mode was almost identical ...