It often refers to how a piece of media handles adult themes (like violence or complex social issues) within a format typically aimed at younger or general audiences.
It might describe a shift in a franchise (like a gritty reboot of a cartoon) where the "entertainment content" is being aged up or "matured" for a legacy fanbase. foxxx matures
"I've noticed that 'maturing' content often just means adding more cynicism, but the best examples are those that keep the wonder of the original while adding emotional depth." [2] It often refers to how a piece of