The premiere of She-Hulk: Attorney at Law will now be on Thursday, instead of Wednesday, as previously planned. New episodes of She-Hulk will be available on Thursdays.
Disney Plus shows originally aired on Fridays, but the company moved the show to Wednesdays and other shows would premiere on Wednesdays as well. Disney has moved things around before, changing Obi-Wan's premiere to a Friday but airing subsequent episodes on Wednesdays. The new Disney Plus exclusive season of Dancing With the Stars will begin airing on Monday, September 19th, while the new Disney show Growing Up will premiere on Thursday, September 8.
There are other streamers that are experimenting with release models. The streaming service used to be known for dropping entire seasons of a show at the same time, but has recently split the shows up