The attraction officially opens on the 5th December, 2019.
Star Wars: Rise of the Resistance in Star Wars: Galaxy’s Edge at Disney’s Hollywood Studios will not be included in the Extra Magic Hours offerings, according to Disney.
Cast Members that Blog Mickey owner/writer Mike spoke to about the exclusion said that they don’t know if or when the new attraction will be added to the Extra Magic Hours offerings, that it is not included at this present time.
Here’s what Disney had to say on the matter:
When the attraction opens, Star Wars: Rise of the Resistance will be available during normal park operating hours. While the attraction will not be open to Guests during Extra Magic Hours, the remainder of Star Wars: Galaxy’s Edge, including Millennium Falcon: Smugglers Run, will continue to be available.Disney
Please bare in mind the rest of the shops and experiences in Star Wars: Galaxy’s Edge, including Millennium Falcon: Smugglers Run, will be offered during Extra Magic Hours. Not forgetting to mention the other attractions within Disney’s Hollywood Studios.
Source: Blog Mickey