One thing we are trying to be cognizant of is that people who buy the show, know the show really well. We want them to get the show that they fell in love with and not say "wow, these guys were really clever." We want them to say "the original designers were clever." We want to highlight their work.
...very occasionally there will be some minor tweaks. An example of that is in The Next Level, there is a shot where Picard orders the phasers to be fired at a low level to bathe the wounded space creature to bring it back to life. In the original version the phasers incorrectly came from the Captain’s Yacht. Having worked at Paramount at the time, the original ship’s designer Andrew Probert was very disappointed because that wasn’t where the phasers were supposed to come from. So we thought "let’s make Andy happy."
Virtually all the ship shots are the original film elements. Occasionally a film element won’t be found or will be unusable for whatever technical reason. In that particular case, that was not a CG Enterprise, that was actually a new matte painting. However, they do have a digital Enterprise, because we know it will be needed at some point.On details revealed in Okudagrams that wouldn't have been visible in SD previously:
For the most part we are going to leave those as they are, as they are not particularly noticeable if you don’t go looking for them. There will be a few places where if we think they are going to be distracting, that is if you watch the show and go "oh, there is Gene’ Roddenberry’s name!" Those kind of things we will look more closely at them and undoubtedly change some of them.You can read the full interview, here, and here. Screencaps from TrekCore.