First, Taika Waititi will be directing a new theatrical release and will be co-writing the script with Krysty Wilson-Cairns who has 1917 in her credits. The official site writes:
Academy Award® winner Taika Waititi, who recently won Best Adapted Screenplay for Jojo Rabbit and directed the widely-acclaimed first season finale episode of The Mandalorian on Disney+, will direct and co-write a new Star Wars feature film for theatrical release.
Joining Waititi on the screenplay will be Academy Award® nominee Krysty Wilson-Cairns (1917, Last Night in Soho), who received a BAFTA Award for Outstanding British Film of the Year on the three-time Oscar-winning film, 1917.
Second, Leslye Headland is currently developing a new Star Wars Disney+ series. The official site continues:
In addition, Emmy®-nominated writer Leslye Headland (Russian Doll, Bachelorette) is currently developing a new untitled Star Wars series for Disney+. Headland will write, executive produce, and serve as showrunner for the series...