There are some new Lumetri Color tools in Premiere and After Effects for working with HDR video. Basically you can control specular-highlight clipping, and the waveform scope now displays up to 10,000 IRE, an essential increase from the outmoded 100 IRE.
Adobe promises easier trackpad- and touchscreen-based editing with support for multitouch and a more finger-friendly interface. For instance, when you touch the media in the bin a scrubber interface pops up, and when dragging and dropping you get more placement feedback.
To figure out how long a voiceover will be or needs to be for a video, you can generate a placeholder voiceover track in different timbres and languages, then replace it with the real track later in the production process.