Here’s the Supreme Court docket, with links to each pdf filing. Theirs begin after “argument set,” dated Aug. 16. I count 36 of them, but may be a little off.
Their dominate in one thing: big name organizations. American Bar Association, ACLU, Amnesty International, League of Women Voters, etc., essentially the organizations of the elite. None of those listed should have much institutional interest in the 2A or gun control, so they wade in because it’s one of the elites against the rest of us.
Quick skims indicate very little discussion of history or real con law. Most briefs are “guns are bad and gun laws are good.” I notice attempts at narrowing the issue… not so much is gun control good as gun control is good in big cities like New York.