There are those traditionalists out there that still wish the Star Wars movies would go away from their recent December releases back to their summer (May) blockbuster release roots. Well, I hate to break it to those people, but it likely isn't happening based on Disney's success record in December with its past two releases:
https://www.comicbookmovie.com/sci-...benchmark-reached-as-rogue-one-a-star-a147755
All said and done, Disney moving Star Wars to a December release has turned out to be nothing but a home run. Not only isn't there much of anything for competition in December for them to compete with, but its movies also get a tremendous holiday second wind. Anymore, the summer blockbuster season is just too crowded for them to add to the pile, not to mention the fact that Disney doesn't want to end up competing with itself now that it owns Marvel, which usually likes a May release still for one of their movies. However, while I expect the December releases to stand, that doesn't mean we won't get any summer Star Wars movies in the future as Disney has hinted its likely plans on releasing two Star Wars movies some years in the future, if not all.
Personally, I love the December releases as it has turned into a welcome part of my holiday season, not to mention Disney likely gets a MAJOR toy Christmas boost by having Star Wars fresh on kid's mind out there. Plus, it isn't like I'm doing anything else in early December.
Disney has the Han Solo movie and Episode 9 currently scheduled for May release dates right now. There is nothing to stop them from changing it, but at least for now it looks like the plan is to shift it back to May release dates. I personally like the December release and hope they stick with that.