The latest news on this front comes from a really interesting article at Ballot Access News written by the widely-respected election expert and advocate for third party/independent ballot access Richard Winger. Take a look at this excerpt:

On Friday, March 19, the U.S. Supreme Court considered whether to hear Level the Playing Field v Federal Election Commission, 20-649. No news about their decision will be known until Monday, March 22, at the earliest. The March 19 conference was notable for being in-person for most of the justices, the first in-person meeting they have had since last year.

Level the Playing Field v FEC concerns presidential general election debates. The Court has never had a case over presidential debates.

Read the entire post here.